1
   2
   3
   4
   5
   6
   7
   8
   9
  10
  11
  12
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26
  27
  28
  29
  30
  31
  32
  33
  34
  35
  36
  37
  38
  39
  40
  41
  42
  43
  44
  45
  46
  47
  48
  49
  50
  51
  52
  53
  54
  55
  56
  57
  58
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
/* automatically generated by rust-bindgen */

pub const GMSH_API_VERSION: &[u8; 4usize] = b"4.4\0";
pub const GMSH_API_VERSION_MAJOR: u32 = 4;
pub const GMSH_API_VERSION_MINOR: u32 = 4;
pub type wchar_t = ::std::os::raw::c_int;
#[repr(C)]
#[repr(align(16))]
#[derive(Debug, Copy, Clone)]
pub struct max_align_t {
    pub __clang_max_align_nonce1: ::std::os::raw::c_longlong,
    pub __bindgen_padding_0: u64,
    pub __clang_max_align_nonce2: u128,
}
#[test]
fn bindgen_test_layout_max_align_t() {
    assert_eq!(
        ::std::mem::size_of::<max_align_t>(),
        32usize,
        concat!("Size of: ", stringify!(max_align_t))
    );
    assert_eq!(
        ::std::mem::align_of::<max_align_t>(),
        16usize,
        concat!("Alignment of ", stringify!(max_align_t))
    );
    assert_eq!(
        unsafe {
            &(*(::std::ptr::null::<max_align_t>())).__clang_max_align_nonce1 as *const _ as usize
        },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(max_align_t),
            "::",
            stringify!(__clang_max_align_nonce1)
        )
    );
    assert_eq!(
        unsafe {
            &(*(::std::ptr::null::<max_align_t>())).__clang_max_align_nonce2 as *const _ as usize
        },
        16usize,
        concat!(
            "Offset of field: ",
            stringify!(max_align_t),
            "::",
            stringify!(__clang_max_align_nonce2)
        )
    );
}
extern "C" {
    pub fn gmshFree(p: *mut ::std::os::raw::c_void);
}
extern "C" {
    pub fn gmshMalloc(n: usize) -> *mut ::std::os::raw::c_void;
}
extern "C" {
    #[doc = " Initialize Gmsh. This must be called before any call to the other functions"]
    #[doc = " in the API. If `argc` and `argv` (or just `argv` in Python or Julia) are"]
    #[doc = " provided, they will be handled in the same way as the command line"]
    #[doc = " arguments in the Gmsh app. If `readConfigFiles` is set, read system Gmsh"]
    #[doc = " configuration files (gmshrc and gmsh-options)."]
    pub fn gmshInitialize(
        argc: ::std::os::raw::c_int,
        argv: *mut *mut ::std::os::raw::c_char,
        readConfigFiles: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Finalize Gmsh. This must be called when you are done using the Gmsh API."]
    pub fn gmshFinalize(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Open a file. Equivalent to the `File->Open` menu in the Gmsh app. Handling"]
    #[doc = " of the file depends on its extension and/or its contents: opening a file"]
    #[doc = " with model data will create a new model."]
    pub fn gmshOpen(fileName: *const ::std::os::raw::c_char, ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Merge a file. Equivalent to the `File->Merge` menu in the Gmsh app."]
    #[doc = " Handling of the file depends on its extension and/or its contents. Merging"]
    #[doc = " a file with model data will add the data to the current model."]
    pub fn gmshMerge(fileName: *const ::std::os::raw::c_char, ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Write a file. The export format is determined by the file extension."]
    pub fn gmshWrite(fileName: *const ::std::os::raw::c_char, ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Clear all loaded models and post-processing data, and add a new empty"]
    #[doc = " model."]
    pub fn gmshClear(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Set a numerical option to `value`. `name` is of the form \"category.option\""]
    #[doc = " or \"category\\[num\\].option\". Available categories and options are listed in"]
    #[doc = " the Gmsh reference manual."]
    pub fn gmshOptionSetNumber(
        name: *const ::std::os::raw::c_char,
        value: f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the `value` of a numerical option. `name` is of the form"]
    #[doc = " \"category.option\" or \"category\\[num\\].option\". Available categories and"]
    #[doc = " options are listed in the Gmsh reference manual."]
    pub fn gmshOptionGetNumber(
        name: *const ::std::os::raw::c_char,
        value: *mut f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set a string option to `value`. `name` is of the form \"category.option\" or"]
    #[doc = " \"category\\[num\\].option\". Available categories and options are listed in the"]
    #[doc = " Gmsh reference manual."]
    pub fn gmshOptionSetString(
        name: *const ::std::os::raw::c_char,
        value: *const ::std::os::raw::c_char,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the `value` of a string option. `name` is of the form \"category.option\""]
    #[doc = " or \"category\\[num\\].option\". Available categories and options are listed in"]
    #[doc = " the Gmsh reference manual."]
    pub fn gmshOptionGetString(
        name: *const ::std::os::raw::c_char,
        value: *mut *mut ::std::os::raw::c_char,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set a color option to the RGBA value (`r`, `g`, `b`, `a`), where where `r`,"]
    #[doc = " `g`, `b` and `a` should be integers between 0 and 255. `name` is of the"]
    #[doc = " form \"category.option\" or \"category\\[num\\].option\". Available categories and"]
    #[doc = " options are listed in the Gmsh reference manual, with the \"Color.\" middle"]
    #[doc = " string removed."]
    pub fn gmshOptionSetColor(
        name: *const ::std::os::raw::c_char,
        r: ::std::os::raw::c_int,
        g: ::std::os::raw::c_int,
        b: ::std::os::raw::c_int,
        a: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the `r`, `g`, `b`, `a` value of a color option. `name` is of the form"]
    #[doc = " \"category.option\" or \"category\\[num\\].option\". Available categories and"]
    #[doc = " options are listed in the Gmsh reference manual, with the \"Color.\" middle"]
    #[doc = " string removed."]
    pub fn gmshOptionGetColor(
        name: *const ::std::os::raw::c_char,
        r: *mut ::std::os::raw::c_int,
        g: *mut ::std::os::raw::c_int,
        b: *mut ::std::os::raw::c_int,
        a: *mut ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Add a new model, with name `name`, and set it as the current model."]
    pub fn gmshModelAdd(name: *const ::std::os::raw::c_char, ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Remove the current model."]
    pub fn gmshModelRemove(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " List the names of all models."]
    pub fn gmshModelList(
        names: *mut *mut *mut ::std::os::raw::c_char,
        names_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set the current model to the model with name `name`. If several models have"]
    #[doc = " the same name, select the one that was added first."]
    pub fn gmshModelSetCurrent(
        name: *const ::std::os::raw::c_char,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get all the entities in the current model. If `dim` is >= 0, return only"]
    #[doc = " the entities of the specified dimension (e.g. points if `dim` == 0). The"]
    #[doc = " entities are returned as a vector of (dim, tag) integer pairs."]
    pub fn gmshModelGetEntities(
        dimTags: *mut *mut ::std::os::raw::c_int,
        dimTags_n: *mut usize,
        dim: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set the name of the entity of dimension `dim` and tag `tag`."]
    pub fn gmshModelSetEntityName(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        name: *const ::std::os::raw::c_char,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the name of the entity of dimension `dim` and tag `tag`."]
    pub fn gmshModelGetEntityName(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        name: *mut *mut ::std::os::raw::c_char,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get all the physical groups in the current model. If `dim` is >= 0, return"]
    #[doc = " only the entities of the specified dimension (e.g. physical points if `dim`"]
    #[doc = " == 0). The entities are returned as a vector of (dim, tag) integer pairs."]
    pub fn gmshModelGetPhysicalGroups(
        dimTags: *mut *mut ::std::os::raw::c_int,
        dimTags_n: *mut usize,
        dim: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the tags of the model entities making up the physical group of"]
    #[doc = " dimension `dim` and tag `tag`."]
    pub fn gmshModelGetEntitiesForPhysicalGroup(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        tags: *mut *mut ::std::os::raw::c_int,
        tags_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the tags of the physical groups (if any) to which the model entity of"]
    #[doc = " dimension `dim` and tag `tag` belongs."]
    pub fn gmshModelGetPhysicalGroupsForEntity(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        physicalTags: *mut *mut ::std::os::raw::c_int,
        physicalTags_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Add a physical group of dimension `dim`, grouping the model entities with"]
    #[doc = " tags `tags`. Return the tag of the physical group, equal to `tag` if `tag`"]
    #[doc = " is positive, or a new tag if `tag` < 0."]
    pub fn gmshModelAddPhysicalGroup(
        dim: ::std::os::raw::c_int,
        tags: *mut ::std::os::raw::c_int,
        tags_n: usize,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Set the name of the physical group of dimension `dim` and tag `tag`."]
    pub fn gmshModelSetPhysicalName(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        name: *const ::std::os::raw::c_char,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the name of the physical group of dimension `dim` and tag `tag`."]
    pub fn gmshModelGetPhysicalName(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        name: *mut *mut ::std::os::raw::c_char,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the boundary of the model entities `dimTags`. Return in `outDimTags`"]
    #[doc = " the boundary of the individual entities (if `combined` is false) or the"]
    #[doc = " boundary of the combined geometrical shape formed by all input entities (if"]
    #[doc = " `combined` is true). Return tags multiplied by the sign of the boundary"]
    #[doc = " entity if `oriented` is true. Apply the boundary operator recursively down"]
    #[doc = " to dimension 0 (i.e. to points) if `recursive` is true."]
    pub fn gmshModelGetBoundary(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        combined: ::std::os::raw::c_int,
        oriented: ::std::os::raw::c_int,
        recursive: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the model entities in the bounding box defined by the two points"]
    #[doc = " (`xmin`, `ymin`, `zmin`) and (`xmax`, `ymax`, `zmax`). If `dim` is >= 0,"]
    #[doc = " return only the entities of the specified dimension (e.g. points if `dim`"]
    #[doc = " == 0)."]
    pub fn gmshModelGetEntitiesInBoundingBox(
        xmin: f64,
        ymin: f64,
        zmin: f64,
        xmax: f64,
        ymax: f64,
        zmax: f64,
        tags: *mut *mut ::std::os::raw::c_int,
        tags_n: *mut usize,
        dim: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the bounding box (`xmin`, `ymin`, `zmin`), (`xmax`, `ymax`, `zmax`) of"]
    #[doc = " the model entity of dimension `dim` and tag `tag`. If `dim` and `tag` are"]
    #[doc = " negative, get the bounding box of the whole model."]
    pub fn gmshModelGetBoundingBox(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        xmin: *mut f64,
        ymin: *mut f64,
        zmin: *mut f64,
        xmax: *mut f64,
        ymax: *mut f64,
        zmax: *mut f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the geometrical dimension of the current model."]
    pub fn gmshModelGetDimension(ierr: *mut ::std::os::raw::c_int) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a discrete model entity (defined by a mesh) of dimension `dim` in the"]
    #[doc = " current model. Return the tag of the new discrete entity, equal to `tag` if"]
    #[doc = " `tag` is positive, or a new tag if `tag` < 0. `boundary` specifies the tags"]
    #[doc = " of the entities on the boundary of the discrete entity, if any. Specifying"]
    #[doc = " `boundary` allows Gmsh to construct the topology of the overall model."]
    pub fn gmshModelAddDiscreteEntity(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        boundary: *mut ::std::os::raw::c_int,
        boundary_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Remove the entities `dimTags` of the current model. If `recursive` is true,"]
    #[doc = " remove all the entities on their boundaries, down to dimension 0."]
    pub fn gmshModelRemoveEntities(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        recursive: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Remove the entity name `name` from the current model."]
    pub fn gmshModelRemoveEntityName(
        name: *const ::std::os::raw::c_char,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Remove the physical groups `dimTags` of the current model. If `dimTags` is"]
    #[doc = " empty, remove all groups."]
    pub fn gmshModelRemovePhysicalGroups(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Remove the physical name `name` from the current model."]
    pub fn gmshModelRemovePhysicalName(
        name: *const ::std::os::raw::c_char,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the type of the entity of dimension `dim` and tag `tag`."]
    pub fn gmshModelGetType(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        entityType: *mut *mut ::std::os::raw::c_char,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " In a partitioned model, get the parent of the entity of dimension `dim` and"]
    #[doc = " tag `tag`, i.e. from which the entity is a part of, if any. `parentDim` and"]
    #[doc = " `parentTag` are set to -1 if the entity has no parent."]
    pub fn gmshModelGetParent(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        parentDim: *mut ::std::os::raw::c_int,
        parentTag: *mut ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " In a partitioned model, return the tags of the partition(s) to which the"]
    #[doc = " entity belongs."]
    pub fn gmshModelGetPartitions(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        partitions: *mut *mut ::std::os::raw::c_int,
        partitions_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Evaluate the parametrization of the entity of dimension `dim` and tag `tag`"]
    #[doc = " at the parametric coordinates `parametricCoord`. Only valid for `dim` equal"]
    #[doc = " to 0 (with empty `parametricCoord`), 1 (with `parametricCoord` containing"]
    #[doc = " parametric coordinates on the curve) or 2 (with `parametricCoord`"]
    #[doc = " containing pairs of u, v parametric coordinates on the surface,"]
    #[doc = " concatenated: [p1u, p1v, p2u, ...]). Return triplets of x, y, z coordinates"]
    #[doc = " in `points`, concatenated: [p1x, p1y, p1z, p2x, ...]."]
    pub fn gmshModelGetValue(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        parametricCoord: *mut f64,
        parametricCoord_n: usize,
        points: *mut *mut f64,
        points_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Evaluate the derivative of the parametrization of the entity of dimension"]
    #[doc = " `dim` and tag `tag` at the parametric coordinates `parametricCoord`. Only"]
    #[doc = " valid for `dim` equal to 1 (with `parametricCoord` containing parametric"]
    #[doc = " coordinates on the curve) or 2 (with `parametricCoord` containing pairs of"]
    #[doc = " u, v parametric coordinates on the surface, concatenated: [p1u, p1v, p2u,"]
    #[doc = " ...]). For `dim` equal to 1 return the x, y, z components of the derivative"]
    #[doc = " with respect to u [d1ux, d1uy, d1uz, d2ux, ...]; for `dim` equal to 2"]
    #[doc = " return the x, y, z components of the derivate with respect to u and v:"]
    #[doc = " [d1ux, d1uy, d1uz, d1vx, d1vy, d1vz, d2ux, ...]."]
    pub fn gmshModelGetDerivative(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        parametricCoord: *mut f64,
        parametricCoord_n: usize,
        derivatives: *mut *mut f64,
        derivatives_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Evaluate the (maximum) curvature of the entity of dimension `dim` and tag"]
    #[doc = " `tag` at the parametric coordinates `parametricCoord`. Only valid for `dim`"]
    #[doc = " equal to 1 (with `parametricCoord` containing parametric coordinates on the"]
    #[doc = " curve) or 2 (with `parametricCoord` containing pairs of u, v parametric"]
    #[doc = " coordinates on the surface, concatenated: [p1u, p1v, p2u, ...])."]
    pub fn gmshModelGetCurvature(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        parametricCoord: *mut f64,
        parametricCoord_n: usize,
        curvatures: *mut *mut f64,
        curvatures_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Evaluate the principal curvatures of the surface with tag `tag` at the"]
    #[doc = " parametric coordinates `parametricCoord`, as well as their respective"]
    #[doc = " directions. `parametricCoord` are given by pair of u and v coordinates,"]
    #[doc = " concatenated: [p1u, p1v, p2u, ...]."]
    pub fn gmshModelGetPrincipalCurvatures(
        tag: ::std::os::raw::c_int,
        parametricCoord: *mut f64,
        parametricCoord_n: usize,
        curvatureMax: *mut *mut f64,
        curvatureMax_n: *mut usize,
        curvatureMin: *mut *mut f64,
        curvatureMin_n: *mut usize,
        directionMax: *mut *mut f64,
        directionMax_n: *mut usize,
        directionMin: *mut *mut f64,
        directionMin_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the normal to the surface with tag `tag` at the parametric coordinates"]
    #[doc = " `parametricCoord`. `parametricCoord` are given by pairs of u and v"]
    #[doc = " coordinates, concatenated: [p1u, p1v, p2u, ...]. `normals` are returned as"]
    #[doc = " triplets of x, y, z components, concatenated: [n1x, n1y, n1z, n2x, ...]."]
    pub fn gmshModelGetNormal(
        tag: ::std::os::raw::c_int,
        parametricCoord: *mut f64,
        parametricCoord_n: usize,
        normals: *mut *mut f64,
        normals_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set the visibility of the model entities `dimTags` to `value`. Apply the"]
    #[doc = " visibility setting recursively if `recursive` is true."]
    pub fn gmshModelSetVisibility(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        value: ::std::os::raw::c_int,
        recursive: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the visibility of the model entity of dimension `dim` and tag `tag`."]
    pub fn gmshModelGetVisibility(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        value: *mut ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set the color of the model entities `dimTags` to the RGBA value (`r`, `g`,"]
    #[doc = " `b`, `a`), where `r`, `g`, `b` and `a` should be integers between 0 and"]
    #[doc = " 255. Apply the color setting recursively if `recursive` is true."]
    pub fn gmshModelSetColor(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        r: ::std::os::raw::c_int,
        g: ::std::os::raw::c_int,
        b: ::std::os::raw::c_int,
        a: ::std::os::raw::c_int,
        recursive: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the color of the model entity of dimension `dim` and tag `tag`."]
    pub fn gmshModelGetColor(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        r: *mut ::std::os::raw::c_int,
        g: *mut ::std::os::raw::c_int,
        b: *mut ::std::os::raw::c_int,
        a: *mut ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set the `x`, `y`, `z` coordinates of a geometrical point."]
    pub fn gmshModelSetCoordinates(
        tag: ::std::os::raw::c_int,
        x: f64,
        y: f64,
        z: f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Generate a mesh of the current model, up to dimension `dim` (0, 1, 2 or 3)."]
    pub fn gmshModelMeshGenerate(dim: ::std::os::raw::c_int, ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Partition the mesh of the current model into `numPart` partitions."]
    pub fn gmshModelMeshPartition(numPart: ::std::os::raw::c_int, ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Unpartition the mesh of the current model."]
    pub fn gmshModelMeshUnpartition(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Optimize the mesh of the current model using `method` (empty for default"]
    #[doc = " tetrahedral mesh optimizer, \"Netgen\" for Netgen optimizer, \"HighOrder\" for"]
    #[doc = " direct high-order mesh optimizer, \"HighOrderElastic\" for high-order elastic"]
    #[doc = " smoother). If `force` is set apply the optimization also to discrete"]
    #[doc = " entities."]
    pub fn gmshModelMeshOptimize(
        method: *const ::std::os::raw::c_char,
        force: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Recombine the mesh of the current model."]
    pub fn gmshModelMeshRecombine(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Refine the mesh of the current model by uniformly splitting the elements."]
    pub fn gmshModelMeshRefine(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Smooth the mesh of the current model."]
    pub fn gmshModelMeshSmooth(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Set the order of the elements in the mesh of the current model to `order`."]
    pub fn gmshModelMeshSetOrder(order: ::std::os::raw::c_int, ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Get the last entities (if any) where a meshing error occurred. Currently"]
    #[doc = " only populated by the new 3D meshing algorithms."]
    pub fn gmshModelMeshGetLastEntityError(
        dimTags: *mut *mut ::std::os::raw::c_int,
        dimTags_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the last nodes (if any) where a meshing error occurred. Currently only"]
    #[doc = " populated by the new 3D meshing algorithms."]
    pub fn gmshModelMeshGetLastNodeError(
        nodeTags: *mut *mut usize,
        nodeTags_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Clear the mesh, i.e. delete all the nodes and elements."]
    pub fn gmshModelMeshClear(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Get the nodes classified on the entity of dimension `dim` and tag `tag`. If"]
    #[doc = " `tag` < 0, get the nodes for all entities of dimension `dim`. If `dim` and"]
    #[doc = " `tag` are negative, get all the nodes in the mesh. `nodeTags` contains the"]
    #[doc = " node tags (their unique, strictly positive identification numbers). `coord`"]
    #[doc = " is a vector of length 3 times the length of `nodeTags` that contains the x,"]
    #[doc = " y, z coordinates of the nodes, concatenated: [n1x, n1y, n1z, n2x, ...]. If"]
    #[doc = " `dim` >= 0 and `returnParamtricCoord` is set, `parametricCoord` contains"]
    #[doc = " the parametric coordinates ([u1, u2, ...] or [u1, v1, u2, ...]) of the"]
    #[doc = " nodes, if available. The length of `parametricCoord` can be 0 or `dim`"]
    #[doc = " times the length of `nodeTags`. If `includeBoundary` is set, also return"]
    #[doc = " the nodes classified on the boundary of the entity (which will be"]
    #[doc = " reparametrized on the entity if `dim` >= 0 in order to compute their"]
    #[doc = " parametric coordinates)."]
    pub fn gmshModelMeshGetNodes(
        nodeTags: *mut *mut usize,
        nodeTags_n: *mut usize,
        coord: *mut *mut f64,
        coord_n: *mut usize,
        parametricCoord: *mut *mut f64,
        parametricCoord_n: *mut usize,
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        includeBoundary: ::std::os::raw::c_int,
        returnParametricCoord: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the nodes classified on the entity of tag `tag`, for all the elements"]
    #[doc = " of type `elementType`. The other arguments are treated as in `getNodes`."]
    pub fn gmshModelMeshGetNodesByElementType(
        elementType: ::std::os::raw::c_int,
        nodeTags: *mut *mut usize,
        nodeTags_n: *mut usize,
        coord: *mut *mut f64,
        coord_n: *mut usize,
        parametricCoord: *mut *mut f64,
        parametricCoord_n: *mut usize,
        tag: ::std::os::raw::c_int,
        returnParametricCoord: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the coordinates and the parametric coordinates (if any) of the node"]
    #[doc = " with tag `tag`. This is a sometimes useful but inefficient way of accessing"]
    #[doc = " nodes, as it relies on a cache stored in the model. For large meshes all"]
    #[doc = " the nodes in the model should be numbered in a continuous sequence of tags"]
    #[doc = " from 1 to N to maintain reasonable performance (in this case the internal"]
    #[doc = " cache is based on a vector; otherwise it uses a map)."]
    pub fn gmshModelMeshGetNode(
        nodeTag: usize,
        coord: *mut *mut f64,
        coord_n: *mut usize,
        parametricCoord: *mut *mut f64,
        parametricCoord_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Rebuild the node cache."]
    pub fn gmshModelMeshRebuildNodeCache(
        onlyIfNecessary: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the nodes from all the elements belonging to the physical group of"]
    #[doc = " dimension `dim` and tag `tag`. `nodeTags` contains the node tags; `coord`"]
    #[doc = " is a vector of length 3 times the length of `nodeTags` that contains the x,"]
    #[doc = " y, z coordinates of the nodes, concatenated: [n1x, n1y, n1z, n2x, ...]."]
    pub fn gmshModelMeshGetNodesForPhysicalGroup(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        nodeTags: *mut *mut usize,
        nodeTags_n: *mut usize,
        coord: *mut *mut f64,
        coord_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Add nodes classified on the model entity of dimension `dim` and tag `tag`."]
    #[doc = " `nodeTags` contains the node tags (their unique, strictly positive"]
    #[doc = " identification numbers). `coord` is a vector of length 3 times the length"]
    #[doc = " of `nodeTags` that contains the x, y, z coordinates of the nodes,"]
    #[doc = " concatenated: [n1x, n1y, n1z, n2x, ...]. The optional `parametricCoord`"]
    #[doc = " vector contains the parametric coordinates of the nodes, if any. The length"]
    #[doc = " of `parametricCoord` can be 0 or `dim` times the length of `nodeTags`. If"]
    #[doc = " the `nodeTags` vector is empty, new tags are automatically assigned to the"]
    #[doc = " nodes."]
    pub fn gmshModelMeshAddNodes(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        nodeTags: *mut usize,
        nodeTags_n: usize,
        coord: *mut f64,
        coord_n: usize,
        parametricCoord: *mut f64,
        parametricCoord_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Reclassify all nodes on their associated model entity, based on the"]
    #[doc = " elements. Can be used when importing nodes in bulk (e.g. by associating"]
    #[doc = " them all to a single volume), to reclassify them correctly on model"]
    #[doc = " surfaces, curves, etc. after the elements have been set."]
    pub fn gmshModelMeshReclassifyNodes(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Relocate the nodes classified on the entity of dimension `dim` and tag"]
    #[doc = " `tag` using their parametric coordinates. If `tag` < 0, relocate the nodes"]
    #[doc = " for all entities of dimension `dim`. If `dim` and `tag` are negative,"]
    #[doc = " relocate all the nodes in the mesh."]
    pub fn gmshModelMeshRelocateNodes(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the elements classified on the entity of dimension `dim` and tag `tag`."]
    #[doc = " If `tag` < 0, get the elements for all entities of dimension `dim`. If"]
    #[doc = " `dim` and `tag` are negative, get all the elements in the mesh."]
    #[doc = " `elementTypes` contains the MSH types of the elements (e.g. `2` for 3-node"]
    #[doc = " triangles: see `getElementProperties` to obtain the properties for a given"]
    #[doc = " element type). `elementTags` is a vector of the same length as"]
    #[doc = " `elementTypes`; each entry is a vector containing the tags (unique,"]
    #[doc = " strictly positive identifiers) of the elements of the corresponding type."]
    #[doc = " `nodeTags` is also a vector of the same length as `elementTypes`; each"]
    #[doc = " entry is a vector of length equal to the number of elements of the given"]
    #[doc = " type times the number N of nodes for this type of element, that contains"]
    #[doc = " the node tags of all the elements of the given type, concatenated: [e1n1,"]
    #[doc = " e1n2, ..., e1nN, e2n1, ...]."]
    pub fn gmshModelMeshGetElements(
        elementTypes: *mut *mut ::std::os::raw::c_int,
        elementTypes_n: *mut usize,
        elementTags: *mut *mut *mut usize,
        elementTags_n: *mut *mut usize,
        elementTags_nn: *mut usize,
        nodeTags: *mut *mut *mut usize,
        nodeTags_n: *mut *mut usize,
        nodeTags_nn: *mut usize,
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the type and node tags of the element with tag `tag`. This is a"]
    #[doc = " sometimes useful but inefficient way of accessing elements, as it relies on"]
    #[doc = " a cache stored in the model. For large meshes all the elements in the model"]
    #[doc = " should be numbered in a continuous sequence of tags from 1 to N to maintain"]
    #[doc = " reasonable performance (in this case the internal cache is based on a"]
    #[doc = " vector; otherwise it uses a map)."]
    pub fn gmshModelMeshGetElement(
        elementTag: usize,
        elementType: *mut ::std::os::raw::c_int,
        nodeTags: *mut *mut usize,
        nodeTags_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Search the mesh for an element located at coordinates (`x`, `y`, `z`). This"]
    #[doc = " is a sometimes useful but inefficient way of accessing elements, as it"]
    #[doc = " relies on a search in a spatial octree. If an element is found, return its"]
    #[doc = " tag, type and node tags, as well as the local coordinates (`u`, `v`, `w`)"]
    #[doc = " within the element corresponding to search location. If `dim` is >= 0, only"]
    #[doc = " search for elements of the given dimension. If `strict` is not set, use a"]
    #[doc = " tolerance to find elements near the search location."]
    pub fn gmshModelMeshGetElementByCoordinates(
        x: f64,
        y: f64,
        z: f64,
        elementTag: *mut usize,
        elementType: *mut ::std::os::raw::c_int,
        nodeTags: *mut *mut usize,
        nodeTags_n: *mut usize,
        u: *mut f64,
        v: *mut f64,
        w: *mut f64,
        dim: ::std::os::raw::c_int,
        strict: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the types of elements in the entity of dimension `dim` and tag `tag`."]
    #[doc = " If `tag` < 0, get the types for all entities of dimension `dim`. If `dim`"]
    #[doc = " and `tag` are negative, get all the types in the mesh."]
    pub fn gmshModelMeshGetElementTypes(
        elementTypes: *mut *mut ::std::os::raw::c_int,
        elementTypes_n: *mut usize,
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Return an element type given its family name `familyName` (\"point\", \"line\","]
    #[doc = " \"triangle\", \"quadrangle\", \"tetrahedron\", \"pyramid\", \"prism\", \"hexahedron\")"]
    #[doc = " and polynomial order `order`. If `serendip` is true, return the"]
    #[doc = " corresponding serendip element type (element without interior nodes)."]
    pub fn gmshModelMeshGetElementType(
        familyName: *const ::std::os::raw::c_char,
        order: ::std::os::raw::c_int,
        serendip: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Get the properties of an element of type `elementType`: its name"]
    #[doc = " (`elementName`), dimension (`dim`), order (`order`), number of nodes"]
    #[doc = " (`numNodes`) and coordinates of the nodes in the reference element"]
    #[doc = " (`nodeCoord` vector, of length `dim` times `numNodes`)."]
    pub fn gmshModelMeshGetElementProperties(
        elementType: ::std::os::raw::c_int,
        elementName: *mut *mut ::std::os::raw::c_char,
        dim: *mut ::std::os::raw::c_int,
        order: *mut ::std::os::raw::c_int,
        numNodes: *mut ::std::os::raw::c_int,
        nodeCoord: *mut *mut f64,
        nodeCoord_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the elements of type `elementType` classified on the entity of tag"]
    #[doc = " `tag`. If `tag` < 0, get the elements for all entities. `elementTags` is a"]
    #[doc = " vector containing the tags (unique, strictly positive identifiers) of the"]
    #[doc = " elements of the corresponding type. `nodeTags` is a vector of length equal"]
    #[doc = " to the number of elements of the given type times the number N of nodes for"]
    #[doc = " this type of element, that contains the node tags of all the elements of"]
    #[doc = " the given type, concatenated: [e1n1, e1n2, ..., e1nN, e2n1, ...]. If"]
    #[doc = " `numTasks` > 1, only compute and return the part of the data indexed by"]
    #[doc = " `task`."]
    pub fn gmshModelMeshGetElementsByType(
        elementType: ::std::os::raw::c_int,
        elementTags: *mut *mut usize,
        elementTags_n: *mut usize,
        nodeTags: *mut *mut usize,
        nodeTags_n: *mut usize,
        tag: ::std::os::raw::c_int,
        task: usize,
        numTasks: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Preallocate data before calling `getElementsByType` with `numTasks` > 1."]
    #[doc = " For C and C++ only."]
    pub fn gmshModelMeshPreallocateElementsByType(
        elementType: ::std::os::raw::c_int,
        elementTag: ::std::os::raw::c_int,
        nodeTag: ::std::os::raw::c_int,
        elementTags: *mut *mut usize,
        elementTags_n: *mut usize,
        nodeTags: *mut *mut usize,
        nodeTags_n: *mut usize,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Add elements classified on the entity of dimension `dim` and tag `tag`."]
    #[doc = " `types` contains the MSH types of the elements (e.g. `2` for 3-node"]
    #[doc = " triangles: see the Gmsh reference manual). `elementTags` is a vector of the"]
    #[doc = " same length as `types`; each entry is a vector containing the tags (unique,"]
    #[doc = " strictly positive identifiers) of the elements of the corresponding type."]
    #[doc = " `nodeTags` is also a vector of the same length as `types`; each entry is a"]
    #[doc = " vector of length equal to the number of elements of the given type times"]
    #[doc = " the number N of nodes per element, that contains the node tags of all the"]
    #[doc = " elements of the given type, concatenated: [e1n1, e1n2, ..., e1nN, e2n1,"]
    #[doc = " ...]."]
    pub fn gmshModelMeshAddElements(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        elementTypes: *mut ::std::os::raw::c_int,
        elementTypes_n: usize,
        elementTags: *mut *const usize,
        elementTags_n: *const usize,
        elementTags_nn: usize,
        nodeTags: *mut *const usize,
        nodeTags_n: *const usize,
        nodeTags_nn: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Add elements of type `elementType` classified on the entity of tag `tag`."]
    #[doc = " `elementTags` contains the tags (unique, strictly positive identifiers) of"]
    #[doc = " the elements of the corresponding type. `nodeTags` is a vector of length"]
    #[doc = " equal to the number of elements times the number N of nodes per element,"]
    #[doc = " that contains the node tags of all the elements, concatenated: [e1n1, e1n2,"]
    #[doc = " ..., e1nN, e2n1, ...]. If the `elementTag` vector is empty, new tags are"]
    #[doc = " automatically assigned to the elements."]
    pub fn gmshModelMeshAddElementsByType(
        tag: ::std::os::raw::c_int,
        elementType: ::std::os::raw::c_int,
        elementTags: *mut usize,
        elementTags_n: usize,
        nodeTags: *mut usize,
        nodeTags_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the numerical quadrature information for the given element type"]
    #[doc = " `elementType` and integration rule `integrationType` (e.g. \"Gauss4\" for a"]
    #[doc = " Gauss quadrature suited for integrating 4th order polynomials)."]
    #[doc = " `integrationPoints` contains the u, v, w coordinates of the G integration"]
    #[doc = " points in the reference element: [g1u, g1v, g1w, ..., gGu, gGv, gGw]."]
    #[doc = " `integrationWeigths` contains the associated weights: [g1q, ..., gGq]."]
    pub fn gmshModelMeshGetIntegrationPoints(
        elementType: ::std::os::raw::c_int,
        integrationType: *const ::std::os::raw::c_char,
        integrationPoints: *mut *mut f64,
        integrationPoints_n: *mut usize,
        integrationWeights: *mut *mut f64,
        integrationWeights_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the Jacobians of all the elements of type `elementType` classified on"]
    #[doc = " the entity of tag `tag`, at the G integration points `integrationPoints`"]
    #[doc = " given as concatenated triplets of coordinates in the reference element"]
    #[doc = " [g1u, g1v, g1w, ..., gGu, gGv, gGw]. Data is returned by element, with"]
    #[doc = " elements in the same order as in `getElements` and `getElementsByType`."]
    #[doc = " `jacobians` contains for each element the 9 entries of the 3x3 Jacobian"]
    #[doc = " matrix at each integration point. The matrix is returned by column:"]
    #[doc = " [e1g1Jxu, e1g1Jyu, e1g1Jzu, e1g1Jxv, ..., e1g1Jzw, e1g2Jxu, ..., e1gGJzw,"]
    #[doc = " e2g1Jxu, ...], with Jxu=dx/du, Jyu=dy/du, etc. `determinants` contains for"]
    #[doc = " each element the determinant of the Jacobian matrix at each integration"]
    #[doc = " point: [e1g1, e1g2, ... e1gG, e2g1, ...]. `points` contains for each"]
    #[doc = " element the x, y, z coordinates of the integration points. If `tag` < 0,"]
    #[doc = " get the Jacobian data for all entities. If `numTasks` > 1, only compute and"]
    #[doc = " return the part of the data indexed by `task`."]
    pub fn gmshModelMeshGetJacobians(
        elementType: ::std::os::raw::c_int,
        integrationPoints: *mut f64,
        integrationPoints_n: usize,
        jacobians: *mut *mut f64,
        jacobians_n: *mut usize,
        determinants: *mut *mut f64,
        determinants_n: *mut usize,
        points: *mut *mut f64,
        points_n: *mut usize,
        tag: ::std::os::raw::c_int,
        task: usize,
        numTasks: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Preallocate data before calling `getJacobians` with `numTasks` > 1. For C"]
    #[doc = " and C++ only."]
    pub fn gmshModelMeshPreallocateJacobians(
        elementType: ::std::os::raw::c_int,
        numIntegrationPoints: ::std::os::raw::c_int,
        jacobian: ::std::os::raw::c_int,
        determinant: ::std::os::raw::c_int,
        point: ::std::os::raw::c_int,
        jacobians: *mut *mut f64,
        jacobians_n: *mut usize,
        determinants: *mut *mut f64,
        determinants_n: *mut usize,
        points: *mut *mut f64,
        points_n: *mut usize,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the basis functions of the element of type `elementType` at the"]
    #[doc = " integration points `integrationPoints` (given as concatenated triplets of"]
    #[doc = " coordinates in the reference element [g1u, g1v, g1w, ..., gGu, gGv, gGw]),"]
    #[doc = " for the function space `functionSpaceType` (e.g. \"Lagrange\" or"]
    #[doc = " \"GradLagrange\" for Lagrange basis functions or their gradient, in the u, v,"]
    #[doc = " w coordinates of the reference element). `numComponents` returns the number"]
    #[doc = " C of components of a basis function. `basisFunctions` returns the value of"]
    #[doc = " the N basis functions at the integration points, i.e. [g1f1, g1f2, ...,"]
    #[doc = " g1fN, g2f1, ...] when C == 1 or [g1f1u, g1f1v, g1f1w, g1f2u, ..., g1fNw,"]
    #[doc = " g2f1u, ...] when C == 3."]
    pub fn gmshModelMeshGetBasisFunctions(
        elementType: ::std::os::raw::c_int,
        integrationPoints: *mut f64,
        integrationPoints_n: usize,
        functionSpaceType: *const ::std::os::raw::c_char,
        numComponents: *mut ::std::os::raw::c_int,
        basisFunctions: *mut *mut f64,
        basisFunctions_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the element-dependent basis functions of the elements of type"]
    #[doc = " `elementType` in the entity of tag `tag`at the integration points"]
    #[doc = " `integrationPoints` (given as concatenated triplets of coordinates in the"]
    #[doc = " reference element [g1u, g1v, g1w, ..., gGu, gGv, gGw]), for the function"]
    #[doc = " space `functionSpaceType` (e.g. \"H1Legendre3\" or \"GradH1Legendre3\" for 3rd"]
    #[doc = " order hierarchical H1 Legendre functions or their gradient, in the u, v, w"]
    #[doc = " coordinates of the reference elements). `numComponents` returns the number"]
    #[doc = " C of components of a basis function. `numBasisFunctions` returns the number"]
    #[doc = " N of basis functions per element. `basisFunctions` returns the value of the"]
    #[doc = " basis functions at the integration points for each element: [e1g1f1,...,"]
    #[doc = " e1g1fN, e1g2f1,..., e2g1f1, ...] when C == 1 or [e1g1f1u, e1g1f1v,...,"]
    #[doc = " e1g1fNw, e1g2f1u,..., e2g1f1u, ...]. Warning: this is an experimental"]
    #[doc = " feature and will probably change in a future release."]
    pub fn gmshModelMeshGetBasisFunctionsForElements(
        elementType: ::std::os::raw::c_int,
        integrationPoints: *mut f64,
        integrationPoints_n: usize,
        functionSpaceType: *const ::std::os::raw::c_char,
        numComponents: *mut ::std::os::raw::c_int,
        numFunctionsPerElements: *mut ::std::os::raw::c_int,
        basisFunctions: *mut *mut f64,
        basisFunctions_n: *mut usize,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Generate the `keys` for the elements of type `elementType` in the entity of"]
    #[doc = " tag `tag`, for the `functionSpaceType` function space. Each key uniquely"]
    #[doc = " identifies a basis function in the function space. If `returnCoord` is set,"]
    #[doc = " the `coord` vector contains the x, y, z coordinates locating basis"]
    #[doc = " functions for sorting purposes. Warning: this is an experimental feature"]
    #[doc = " and will probably change in a future release."]
    pub fn gmshModelMeshGetKeysForElements(
        elementType: ::std::os::raw::c_int,
        functionSpaceType: *const ::std::os::raw::c_char,
        keys: *mut *mut ::std::os::raw::c_int,
        keys_n: *mut usize,
        coord: *mut *mut f64,
        coord_n: *mut usize,
        tag: ::std::os::raw::c_int,
        returnCoord: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get information about the `keys`. `infoKeys` returns information about the"]
    #[doc = " functions associated with the `keys`. `infoKeys[0].first` describes the"]
    #[doc = " type of function (0 for  vertex function, 1 for edge function, 2 for face"]
    #[doc = " function and 3 for bubble function). `infoKeys[0].second` gives the order"]
    #[doc = " of the function associated with the key. Warning: this is an experimental"]
    #[doc = " feature and will probably change in a future release."]
    pub fn gmshModelMeshGetInformationForElements(
        keys: *mut ::std::os::raw::c_int,
        keys_n: usize,
        elementType: ::std::os::raw::c_int,
        functionSpaceType: *const ::std::os::raw::c_char,
        infoKeys: *mut *mut ::std::os::raw::c_int,
        infoKeys_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Precomputes the basis functions corresponding to `elementType`."]
    pub fn gmshModelMeshPrecomputeBasisFunctions(
        elementType: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the barycenters of all elements of type `elementType` classified on the"]
    #[doc = " entity of tag `tag`. If `primary` is set, only the primary nodes of the"]
    #[doc = " elements are taken into account for the barycenter calculation. If `fast`"]
    #[doc = " is set, the function returns the sum of the primary node coordinates"]
    #[doc = " (without normalizing by the number of nodes). If `tag` < 0, get the"]
    #[doc = " barycenters for all entities. If `numTasks` > 1, only compute and return"]
    #[doc = " the part of the data indexed by `task`."]
    pub fn gmshModelMeshGetBarycenters(
        elementType: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        fast: ::std::os::raw::c_int,
        primary: ::std::os::raw::c_int,
        barycenters: *mut *mut f64,
        barycenters_n: *mut usize,
        task: usize,
        numTasks: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Preallocate data before calling `getBarycenters` with `numTasks` > 1. For C"]
    #[doc = " and C++ only."]
    pub fn gmshModelMeshPreallocateBarycenters(
        elementType: ::std::os::raw::c_int,
        barycenters: *mut *mut f64,
        barycenters_n: *mut usize,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the nodes on the edges of all elements of type `elementType` classified"]
    #[doc = " on the entity of tag `tag`. `nodeTags` contains the node tags of the edges"]
    #[doc = " for all the elements: [e1a1n1, e1a1n2, e1a2n1, ...]. Data is returned by"]
    #[doc = " element, with elements in the same order as in `getElements` and"]
    #[doc = " `getElementsByType`. If `primary` is set, only the primary (begin/end)"]
    #[doc = " nodes of the edges are returned. If `tag` < 0, get the edge nodes for all"]
    #[doc = " entities. If `numTasks` > 1, only compute and return the part of the data"]
    #[doc = " indexed by `task`."]
    pub fn gmshModelMeshGetElementEdgeNodes(
        elementType: ::std::os::raw::c_int,
        nodeTags: *mut *mut usize,
        nodeTags_n: *mut usize,
        tag: ::std::os::raw::c_int,
        primary: ::std::os::raw::c_int,
        task: usize,
        numTasks: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the nodes on the faces of type `faceType` (3 for triangular faces, 4"]
    #[doc = " for quadrangular faces) of all elements of type `elementType` classified on"]
    #[doc = " the entity of tag `tag`. `nodeTags` contains the node tags of the faces for"]
    #[doc = " all elements: [e1f1n1, ..., e1f1nFaceType, e1f2n1, ...]. Data is returned"]
    #[doc = " by element, with elements in the same order as in `getElements` and"]
    #[doc = " `getElementsByType`. If `primary` is set, only the primary (corner) nodes"]
    #[doc = " of the faces are returned. If `tag` < 0, get the face nodes for all"]
    #[doc = " entities. If `numTasks` > 1, only compute and return the part of the data"]
    #[doc = " indexed by `task`."]
    pub fn gmshModelMeshGetElementFaceNodes(
        elementType: ::std::os::raw::c_int,
        faceType: ::std::os::raw::c_int,
        nodeTags: *mut *mut usize,
        nodeTags_n: *mut usize,
        tag: ::std::os::raw::c_int,
        primary: ::std::os::raw::c_int,
        task: usize,
        numTasks: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the ghost elements `elementTags` and their associated `partitions`"]
    #[doc = " stored in the ghost entity of dimension `dim` and tag `tag`."]
    pub fn gmshModelMeshGetGhostElements(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        elementTags: *mut *mut usize,
        elementTags_n: *mut usize,
        partitions: *mut *mut ::std::os::raw::c_int,
        partitions_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set a mesh size constraint on the model entities `dimTags`. Currently only"]
    #[doc = " entities of dimension 0 (points) are handled."]
    pub fn gmshModelMeshSetSize(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        size: f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set a transfinite meshing constraint on the curve `tag`, with `numNodes`"]
    #[doc = " nodes distributed according to `meshType` and `coef`. Currently supported"]
    #[doc = " types are \"Progression\" (geometrical progression with power `coef`) and"]
    #[doc = " \"Bump\" (refinement toward both extremities of the curve)."]
    pub fn gmshModelMeshSetTransfiniteCurve(
        tag: ::std::os::raw::c_int,
        numNodes: ::std::os::raw::c_int,
        meshType: *const ::std::os::raw::c_char,
        coef: f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set a transfinite meshing constraint on the surface `tag`. `arrangement`"]
    #[doc = " describes the arrangement of the triangles when the surface is not flagged"]
    #[doc = " as recombined: currently supported values are \"Left\", \"Right\","]
    #[doc = " \"AlternateLeft\" and \"AlternateRight\". `cornerTags` can be used to specify"]
    #[doc = " the (3 or 4) corners of the transfinite interpolation explicitly;"]
    #[doc = " specifying the corners explicitly is mandatory if the surface has more that"]
    #[doc = " 3 or 4 points on its boundary."]
    pub fn gmshModelMeshSetTransfiniteSurface(
        tag: ::std::os::raw::c_int,
        arrangement: *const ::std::os::raw::c_char,
        cornerTags: *mut ::std::os::raw::c_int,
        cornerTags_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set a transfinite meshing constraint on the surface `tag`. `cornerTags` can"]
    #[doc = " be used to specify the (6 or 8) corners of the transfinite interpolation"]
    #[doc = " explicitly."]
    pub fn gmshModelMeshSetTransfiniteVolume(
        tag: ::std::os::raw::c_int,
        cornerTags: *mut ::std::os::raw::c_int,
        cornerTags_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set a recombination meshing constraint on the model entity of dimension"]
    #[doc = " `dim` and tag `tag`. Currently only entities of dimension 2 (to recombine"]
    #[doc = " triangles into quadrangles) are supported."]
    pub fn gmshModelMeshSetRecombine(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set a smoothing meshing constraint on the model entity of dimension `dim`"]
    #[doc = " and tag `tag`. `val` iterations of a Laplace smoother are applied."]
    pub fn gmshModelMeshSetSmoothing(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        val: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set a reverse meshing constraint on the model entity of dimension `dim` and"]
    #[doc = " tag `tag`. If `val` is true, the mesh orientation will be reversed with"]
    #[doc = " respect to the natural mesh orientation (i.e. the orientation consistent"]
    #[doc = " with the orientation of the geometry). If `val` is false, the mesh is left"]
    #[doc = " as-is."]
    pub fn gmshModelMeshSetReverse(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        val: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set meshing constraints on the bounding surfaces of the volume of tag `tag`"]
    #[doc = " so that all surfaces are oriented with outward pointing normals. Currently"]
    #[doc = " only available with the OpenCASCADE kernel, as it relies on the STL"]
    #[doc = " triangulation."]
    pub fn gmshModelMeshSetOutwardOrientation(
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Embed the model entities of dimension `dim` and tags `tags` in the"]
    #[doc = " (`inDim`, `inTag`) model entity. The dimension `dim` can 0, 1 or 2 and must"]
    #[doc = " be strictly smaller than `inDim`, which must be either 2 or 3. The embedded"]
    #[doc = " entities should not be part of the boundary of the entity `inTag`, whose"]
    #[doc = " mesh will conform to the mesh of the embedded entities."]
    pub fn gmshModelMeshEmbed(
        dim: ::std::os::raw::c_int,
        tags: *mut ::std::os::raw::c_int,
        tags_n: usize,
        inDim: ::std::os::raw::c_int,
        inTag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Remove embedded entities from the model entities `dimTags`. if `dim` is >="]
    #[doc = " 0, only remove embedded entities of the given dimension (e.g. embedded"]
    #[doc = " points if `dim` == 0)."]
    pub fn gmshModelMeshRemoveEmbedded(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        dim: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Reorder the elements of type `elementType` classified on the entity of tag"]
    #[doc = " `tag` according to `ordering`."]
    pub fn gmshModelMeshReorderElements(
        elementType: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        ordering: *mut usize,
        ordering_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Renumber the node tags in a continuous sequence."]
    pub fn gmshModelMeshRenumberNodes(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Renumber the element tags in a continuous sequence."]
    pub fn gmshModelMeshRenumberElements(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Set the meshes of the entities of dimension `dim` and tag `tags` as"]
    #[doc = " periodic copies of the meshes of entities `tagsMaster`, using the affine"]
    #[doc = " transformation specified in `affineTransformation` (16 entries of a 4x4"]
    #[doc = " matrix, by row). Currently only available for `dim` == 1 and `dim` == 2."]
    pub fn gmshModelMeshSetPeriodic(
        dim: ::std::os::raw::c_int,
        tags: *mut ::std::os::raw::c_int,
        tags_n: usize,
        tagsMaster: *mut ::std::os::raw::c_int,
        tagsMaster_n: usize,
        affineTransform: *mut f64,
        affineTransform_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the master entity `tagMaster`, the node tags `nodeTags` and their"]
    #[doc = " corresponding master node tags `nodeTagsMaster`, and the affine transform"]
    #[doc = " `affineTransform` for the entity of dimension `dim` and tag `tag`."]
    pub fn gmshModelMeshGetPeriodicNodes(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        tagMaster: *mut ::std::os::raw::c_int,
        nodeTags: *mut *mut usize,
        nodeTags_n: *mut usize,
        nodeTagsMaster: *mut *mut usize,
        nodeTagsMaster_n: *mut usize,
        affineTransform: *mut *mut f64,
        affineTransform_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Remove duplicate nodes in the mesh of the current model."]
    pub fn gmshModelMeshRemoveDuplicateNodes(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Split (into two triangles) all quadrangles in surface `tag` whose quality"]
    #[doc = " is lower than `quality`. If `tag` < 0, split quadrangles in all surfaces."]
    pub fn gmshModelMeshSplitQuadrangles(
        quality: f64,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Classify (\"color\") the surface mesh based on the angle threshold `angle`"]
    #[doc = " (in radians), and create new discrete surfaces, curves and points"]
    #[doc = " accordingly. If `boundary` is set, also create discrete curves on the"]
    #[doc = " boundary if the surface is open. If `forReparametrization` is set, create"]
    #[doc = " edges and surfaces that can be reparametrized using a single map."]
    pub fn gmshModelMeshClassifySurfaces(
        angle: f64,
        boundary: ::std::os::raw::c_int,
        forReparametrization: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Create a parametrization for discrete curves and surfaces (i.e. curves and"]
    #[doc = " surfaces represented solely by a mesh, without an underlying CAD"]
    #[doc = " description), assuming that each can be parametrized with a single map."]
    pub fn gmshModelMeshCreateGeometry(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Create a boundary representation from the mesh if the model does not have"]
    #[doc = " one (e.g. when imported from mesh file formats with no BRep representation"]
    #[doc = " of the underlying model)."]
    pub fn gmshModelMeshCreateTopology(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Compute a basis representation for homology spaces after a mesh has been"]
    #[doc = " generated. The computation domain is given in a list of physical group tags"]
    #[doc = " `domainTags`; if empty, the whole mesh is the domain. The computation"]
    #[doc = " subdomain for relative homology computation is given in a list of physical"]
    #[doc = " group tags `subdomainTags`; if empty, absolute homology is computed. The"]
    #[doc = " dimensions homology bases to be computed are given in the list `dim`; if"]
    #[doc = " empty, all bases are computed. Resulting basis representation chains are"]
    #[doc = " stored as physical groups in the mesh."]
    pub fn gmshModelMeshComputeHomology(
        domainTags: *mut ::std::os::raw::c_int,
        domainTags_n: usize,
        subdomainTags: *mut ::std::os::raw::c_int,
        subdomainTags_n: usize,
        dims: *mut ::std::os::raw::c_int,
        dims_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Compute a basis representation for cohomology spaces after a mesh has been"]
    #[doc = " generated. The computation domain is given in a list of physical group tags"]
    #[doc = " `domainTags`; if empty, the whole mesh is the domain. The computation"]
    #[doc = " subdomain for relative cohomology computation is given in a list of"]
    #[doc = " physical group tags `subdomainTags`; if empty, absolute cohomology is"]
    #[doc = " computed. The dimensions homology bases to be computed are given in the"]
    #[doc = " list `dim`; if empty, all bases are computed. Resulting basis"]
    #[doc = " representation cochains are stored as physical groups in the mesh."]
    pub fn gmshModelMeshComputeCohomology(
        domainTags: *mut ::std::os::raw::c_int,
        domainTags_n: usize,
        subdomainTags: *mut ::std::os::raw::c_int,
        subdomainTags_n: usize,
        dims: *mut ::std::os::raw::c_int,
        dims_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Add a new mesh size field of type `fieldType`. If `tag` is positive, assign"]
    #[doc = " the tag explicitly; otherwise a new tag is assigned automatically. Return"]
    #[doc = " the field tag."]
    pub fn gmshModelMeshFieldAdd(
        fieldType: *const ::std::os::raw::c_char,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Remove the field with tag `tag`."]
    pub fn gmshModelMeshFieldRemove(tag: ::std::os::raw::c_int, ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Set the numerical option `option` to value `value` for field `tag`."]
    pub fn gmshModelMeshFieldSetNumber(
        tag: ::std::os::raw::c_int,
        option: *const ::std::os::raw::c_char,
        value: f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set the string option `option` to value `value` for field `tag`."]
    pub fn gmshModelMeshFieldSetString(
        tag: ::std::os::raw::c_int,
        option: *const ::std::os::raw::c_char,
        value: *const ::std::os::raw::c_char,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set the numerical list option `option` to value `value` for field `tag`."]
    pub fn gmshModelMeshFieldSetNumbers(
        tag: ::std::os::raw::c_int,
        option: *const ::std::os::raw::c_char,
        value: *mut f64,
        value_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set the field `tag` as the background mesh size field."]
    pub fn gmshModelMeshFieldSetAsBackgroundMesh(
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set the field `tag` as a boundary layer size field."]
    pub fn gmshModelMeshFieldSetAsBoundaryLayer(
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Add a geometrical point in the built-in CAD representation, at coordinates"]
    #[doc = " (`x`, `y`, `z`). If `meshSize` is > 0, add a meshing constraint at that"]
    #[doc = " point. If `tag` is positive, set the tag explicitly; otherwise a new tag is"]
    #[doc = " selected automatically. Return the tag of the point. (Note that the point"]
    #[doc = " will be added in the current model only after `synchronize` is called. This"]
    #[doc = " behavior holds for all the entities added in the geo module.)"]
    pub fn gmshModelGeoAddPoint(
        x: f64,
        y: f64,
        z: f64,
        meshSize: f64,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a straight line segment between the two points with tags `startTag` and"]
    #[doc = " `endTag`. If `tag` is positive, set the tag explicitly; otherwise a new tag"]
    #[doc = " is selected automatically. Return the tag of the line."]
    pub fn gmshModelGeoAddLine(
        startTag: ::std::os::raw::c_int,
        endTag: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a circle arc (strictly smaller than Pi) between the two points with"]
    #[doc = " tags `startTag` and `endTag`, with center `centertag`. If `tag` is"]
    #[doc = " positive, set the tag explicitly; otherwise a new tag is selected"]
    #[doc = " automatically. If (`nx`, `ny`, `nz`) != (0,0,0), explicitly set the plane"]
    #[doc = " of the circle arc. Return the tag of the circle arc."]
    pub fn gmshModelGeoAddCircleArc(
        startTag: ::std::os::raw::c_int,
        centerTag: ::std::os::raw::c_int,
        endTag: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        nx: f64,
        ny: f64,
        nz: f64,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add an ellipse arc (strictly smaller than Pi) between the two points"]
    #[doc = " `startTag` and `endTag`, with center `centerTag` and major axis point"]
    #[doc = " `majorTag`. If `tag` is positive, set the tag explicitly; otherwise a new"]
    #[doc = " tag is selected automatically. If (`nx`, `ny`, `nz`) != (0,0,0), explicitly"]
    #[doc = " set the plane of the circle arc. Return the tag of the ellipse arc."]
    pub fn gmshModelGeoAddEllipseArc(
        startTag: ::std::os::raw::c_int,
        centerTag: ::std::os::raw::c_int,
        majorTag: ::std::os::raw::c_int,
        endTag: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        nx: f64,
        ny: f64,
        nz: f64,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a spline (Catmull-Rom) curve going through the points `pointTags`. If"]
    #[doc = " `tag` is positive, set the tag explicitly; otherwise a new tag is selected"]
    #[doc = " automatically. Create a periodic curve if the first and last points are the"]
    #[doc = " same. Return the tag of the spline curve."]
    pub fn gmshModelGeoAddSpline(
        pointTags: *mut ::std::os::raw::c_int,
        pointTags_n: usize,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a cubic b-spline curve with `pointTags` control points. If `tag` is"]
    #[doc = " positive, set the tag explicitly; otherwise a new tag is selected"]
    #[doc = " automatically. Creates a periodic curve if the first and last points are"]
    #[doc = " the same. Return the tag of the b-spline curve."]
    pub fn gmshModelGeoAddBSpline(
        pointTags: *mut ::std::os::raw::c_int,
        pointTags_n: usize,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a Bezier curve with `pointTags` control points. If `tag` is positive,"]
    #[doc = " set the tag explicitly; otherwise a new tag is selected automatically."]
    #[doc = " Return the tag of the Bezier curve."]
    pub fn gmshModelGeoAddBezier(
        pointTags: *mut ::std::os::raw::c_int,
        pointTags_n: usize,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a curve loop (a closed wire) formed by the curves `curveTags`."]
    #[doc = " `curveTags` should contain (signed) tags of model enties of dimension 1"]
    #[doc = " forming a closed loop: a negative tag signifies that the underlying curve"]
    #[doc = " is considered with reversed orientation. If `tag` is positive, set the tag"]
    #[doc = " explicitly; otherwise a new tag is selected automatically. Return the tag"]
    #[doc = " of the curve loop."]
    pub fn gmshModelGeoAddCurveLoop(
        curveTags: *mut ::std::os::raw::c_int,
        curveTags_n: usize,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a plane surface defined by one or more curve loops `wireTags`. The"]
    #[doc = " first curve loop defines the exterior contour; additional curve loop define"]
    #[doc = " holes. If `tag` is positive, set the tag explicitly; otherwise a new tag is"]
    #[doc = " selected automatically. Return the tag of the surface."]
    pub fn gmshModelGeoAddPlaneSurface(
        wireTags: *mut ::std::os::raw::c_int,
        wireTags_n: usize,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a surface filling the curve loops in `wireTags`. Currently only a"]
    #[doc = " single curve loop is supported; this curve loop should be composed by 3 or"]
    #[doc = " 4 curves only. If `tag` is positive, set the tag explicitly; otherwise a"]
    #[doc = " new tag is selected automatically. Return the tag of the surface."]
    pub fn gmshModelGeoAddSurfaceFilling(
        wireTags: *mut ::std::os::raw::c_int,
        wireTags_n: usize,
        tag: ::std::os::raw::c_int,
        sphereCenterTag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a surface loop (a closed shell) formed by `surfaceTags`.  If `tag` is"]
    #[doc = " positive, set the tag explicitly; otherwise a new tag is selected"]
    #[doc = " automatically. Return the tag of the shell."]
    pub fn gmshModelGeoAddSurfaceLoop(
        surfaceTags: *mut ::std::os::raw::c_int,
        surfaceTags_n: usize,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a volume (a region) defined by one or more shells `shellTags`. The"]
    #[doc = " first surface loop defines the exterior boundary; additional surface loop"]
    #[doc = " define holes. If `tag` is positive, set the tag explicitly; otherwise a new"]
    #[doc = " tag is selected automatically. Return the tag of the volume."]
    pub fn gmshModelGeoAddVolume(
        shellTags: *mut ::std::os::raw::c_int,
        shellTags_n: usize,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Extrude the model entities `dimTags` by translation along (`dx`, `dy`,"]
    #[doc = " `dz`). Return extruded entities in `outDimTags`. If `numElements` is not"]
    #[doc = " empty, also extrude the mesh: the entries in `numElements` give the number"]
    #[doc = " of elements in each layer. If `height` is not empty, it provides the"]
    #[doc = " (cumulative) height of the different layers, normalized to 1. If `dx` =="]
    #[doc = " `dy` == `dz` == 0, the entities are extruded along their normal."]
    pub fn gmshModelGeoExtrude(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        dx: f64,
        dy: f64,
        dz: f64,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        numElements: *mut ::std::os::raw::c_int,
        numElements_n: usize,
        heights: *mut f64,
        heights_n: usize,
        recombine: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Extrude the model entities `dimTags` by rotation of `angle` radians around"]
    #[doc = " the axis of revolution defined by the point (`x`, `y`, `z`) and the"]
    #[doc = " direction (`ax`, `ay`, `az`). The angle should be strictly smaller than Pi."]
    #[doc = " Return extruded entities in `outDimTags`. If `numElements` is not empty,"]
    #[doc = " also extrude the mesh: the entries in `numElements` give the number of"]
    #[doc = " elements in each layer. If `height` is not empty, it provides the"]
    #[doc = " (cumulative) height of the different layers, normalized to 1."]
    pub fn gmshModelGeoRevolve(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        x: f64,
        y: f64,
        z: f64,
        ax: f64,
        ay: f64,
        az: f64,
        angle: f64,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        numElements: *mut ::std::os::raw::c_int,
        numElements_n: usize,
        heights: *mut f64,
        heights_n: usize,
        recombine: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Extrude the model entities `dimTags` by a combined translation and rotation"]
    #[doc = " of `angle` radians, along (`dx`, `dy`, `dz`) and around the axis of"]
    #[doc = " revolution defined by the point (`x`, `y`, `z`) and the direction (`ax`,"]
    #[doc = " `ay`, `az`). The angle should be strictly smaller than Pi. Return extruded"]
    #[doc = " entities in `outDimTags`. If `numElements` is not empty, also extrude the"]
    #[doc = " mesh: the entries in `numElements` give the number of elements in each"]
    #[doc = " layer. If `height` is not empty, it provides the (cumulative) height of the"]
    #[doc = " different layers, normalized to 1."]
    pub fn gmshModelGeoTwist(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        x: f64,
        y: f64,
        z: f64,
        dx: f64,
        dy: f64,
        dz: f64,
        ax: f64,
        ay: f64,
        az: f64,
        angle: f64,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        numElements: *mut ::std::os::raw::c_int,
        numElements_n: usize,
        heights: *mut f64,
        heights_n: usize,
        recombine: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Translate the model entities `dimTags` along (`dx`, `dy`, `dz`)."]
    pub fn gmshModelGeoTranslate(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        dx: f64,
        dy: f64,
        dz: f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Rotate the model entities `dimTags` of `angle` radians around the axis of"]
    #[doc = " revolution defined by the point (`x`, `y`, `z`) and the direction (`ax`,"]
    #[doc = " `ay`, `az`)."]
    pub fn gmshModelGeoRotate(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        x: f64,
        y: f64,
        z: f64,
        ax: f64,
        ay: f64,
        az: f64,
        angle: f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Scale the model entities `dimTag` by factors `a`, `b` and `c` along the"]
    #[doc = " three coordinate axes; use (`x`, `y`, `z`) as the center of the homothetic"]
    #[doc = " transformation."]
    pub fn gmshModelGeoDilate(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        x: f64,
        y: f64,
        z: f64,
        a: f64,
        b: f64,
        c: f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Apply a symmetry transformation to the model entities `dimTag`, with"]
    #[doc = " respect to the plane of equation `a` * x + `b` * y + `c` * z + `d` = 0."]
    pub fn gmshModelGeoSymmetrize(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        a: f64,
        b: f64,
        c: f64,
        d: f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Copy the entities `dimTags`; the new entities are returned in `outDimTags`."]
    pub fn gmshModelGeoCopy(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Remove the entities `dimTags`. If `recursive` is true, remove all the"]
    #[doc = " entities on their boundaries, down to dimension 0."]
    pub fn gmshModelGeoRemove(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        recursive: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Remove all duplicate entities (different entities at the same geometrical"]
    #[doc = " location)."]
    pub fn gmshModelGeoRemoveAllDuplicates(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Synchronize the built-in CAD representation with the current Gmsh model."]
    #[doc = " This can be called at any time, but since it involves a non trivial amount"]
    #[doc = " of processing, the number of synchronization points should normally be"]
    #[doc = " minimized."]
    pub fn gmshModelGeoSynchronize(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Set a mesh size constraint on the model entities `dimTags`. Currently only"]
    #[doc = " entities of dimension 0 (points) are handled."]
    pub fn gmshModelGeoMeshSetSize(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        size: f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set a transfinite meshing constraint on the curve `tag`, with `numNodes`"]
    #[doc = " nodes distributed according to `meshType` and `coef`. Currently supported"]
    #[doc = " types are \"Progression\" (geometrical progression with power `coef`) and"]
    #[doc = " \"Bump\" (refinement toward both extremities of the curve)."]
    pub fn gmshModelGeoMeshSetTransfiniteCurve(
        tag: ::std::os::raw::c_int,
        nPoints: ::std::os::raw::c_int,
        meshType: *const ::std::os::raw::c_char,
        coef: f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set a transfinite meshing constraint on the surface `tag`. `arrangement`"]
    #[doc = " describes the arrangement of the triangles when the surface is not flagged"]
    #[doc = " as recombined: currently supported values are \"Left\", \"Right\","]
    #[doc = " \"AlternateLeft\" and \"AlternateRight\". `cornerTags` can be used to specify"]
    #[doc = " the (3 or 4) corners of the transfinite interpolation explicitly;"]
    #[doc = " specifying the corners explicitly is mandatory if the surface has more that"]
    #[doc = " 3 or 4 points on its boundary."]
    pub fn gmshModelGeoMeshSetTransfiniteSurface(
        tag: ::std::os::raw::c_int,
        arrangement: *const ::std::os::raw::c_char,
        cornerTags: *mut ::std::os::raw::c_int,
        cornerTags_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set a transfinite meshing constraint on the surface `tag`. `cornerTags` can"]
    #[doc = " be used to specify the (6 or 8) corners of the transfinite interpolation"]
    #[doc = " explicitly."]
    pub fn gmshModelGeoMeshSetTransfiniteVolume(
        tag: ::std::os::raw::c_int,
        cornerTags: *mut ::std::os::raw::c_int,
        cornerTags_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set a recombination meshing constraint on the model entity of dimension"]
    #[doc = " `dim` and tag `tag`. Currently only entities of dimension 2 (to recombine"]
    #[doc = " triangles into quadrangles) are supported."]
    pub fn gmshModelGeoMeshSetRecombine(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        angle: f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set a smoothing meshing constraint on the model entity of dimension `dim`"]
    #[doc = " and tag `tag`. `val` iterations of a Laplace smoother are applied."]
    pub fn gmshModelGeoMeshSetSmoothing(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        val: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set a reverse meshing constraint on the model entity of dimension `dim` and"]
    #[doc = " tag `tag`. If `val` is true, the mesh orientation will be reversed with"]
    #[doc = " respect to the natural mesh orientation (i.e. the orientation consistent"]
    #[doc = " with the orientation of the geometry). If `val` is false, the mesh is left"]
    #[doc = " as-is."]
    pub fn gmshModelGeoMeshSetReverse(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        val: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Add a geometrical point in the OpenCASCADE CAD representation, at"]
    #[doc = " coordinates (`x`, `y`, `z`). If `meshSize` is > 0, add a meshing constraint"]
    #[doc = " at that point. If `tag` is positive, set the tag explicitly; otherwise a"]
    #[doc = " new tag is selected automatically. Return the tag of the point. (Note that"]
    #[doc = " the point will be added in the current model only after `synchronize` is"]
    #[doc = " called. This behavior holds for all the entities added in the occ module.)"]
    pub fn gmshModelOccAddPoint(
        x: f64,
        y: f64,
        z: f64,
        meshSize: f64,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a straight line segment between the two points with tags `startTag` and"]
    #[doc = " `endTag`. If `tag` is positive, set the tag explicitly; otherwise a new tag"]
    #[doc = " is selected automatically. Return the tag of the line."]
    pub fn gmshModelOccAddLine(
        startTag: ::std::os::raw::c_int,
        endTag: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a circle arc between the two points with tags `startTag` and `endTag`,"]
    #[doc = " with center `centerTag`. If `tag` is positive, set the tag explicitly;"]
    #[doc = " otherwise a new tag is selected automatically. Return the tag of the circle"]
    #[doc = " arc."]
    pub fn gmshModelOccAddCircleArc(
        startTag: ::std::os::raw::c_int,
        centerTag: ::std::os::raw::c_int,
        endTag: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a circle of center (`x`, `y`, `z`) and radius `r`. If `tag` is"]
    #[doc = " positive, set the tag explicitly; otherwise a new tag is selected"]
    #[doc = " automatically. If `angle1` and `angle2` are specified, create a circle arc"]
    #[doc = " between the two angles. Return the tag of the circle."]
    pub fn gmshModelOccAddCircle(
        x: f64,
        y: f64,
        z: f64,
        r: f64,
        tag: ::std::os::raw::c_int,
        angle1: f64,
        angle2: f64,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add an ellipse arc between the two points `startTag` and `endTag`, with"]
    #[doc = " center `centerTag` and major axis point `majorTag`. If `tag` is positive,"]
    #[doc = " set the tag explicitly; otherwise a new tag is selected automatically."]
    #[doc = " Return the tag of the ellipse arc. Note that OpenCASCADE does not allow"]
    #[doc = " creating ellipse arcs with the major radius smaller than the minor radius."]
    pub fn gmshModelOccAddEllipseArc(
        startTag: ::std::os::raw::c_int,
        centerTag: ::std::os::raw::c_int,
        majorTag: ::std::os::raw::c_int,
        endTag: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add an ellipse of center (`x`, `y`, `z`) and radii `r1` and `r2` along the"]
    #[doc = " x- and y-axes respectively. If `tag` is positive, set the tag explicitly;"]
    #[doc = " otherwise a new tag is selected automatically. If `angle1` and `angle2` are"]
    #[doc = " specified, create an ellipse arc between the two angles. Return the tag of"]
    #[doc = " the ellipse. Note that OpenCASCADE does not allow creating ellipses with"]
    #[doc = " the major radius (along the x-axis) smaller than or equal to the minor"]
    #[doc = " radius (along the y-axis): rotate the shape or use `addCircle` in such"]
    #[doc = " cases."]
    pub fn gmshModelOccAddEllipse(
        x: f64,
        y: f64,
        z: f64,
        r1: f64,
        r2: f64,
        tag: ::std::os::raw::c_int,
        angle1: f64,
        angle2: f64,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a spline (C2 b-spline) curve going through the points `pointTags`. If"]
    #[doc = " `tag` is positive, set the tag explicitly; otherwise a new tag is selected"]
    #[doc = " automatically. Create a periodic curve if the first and last points are the"]
    #[doc = " same. Return the tag of the spline curve."]
    pub fn gmshModelOccAddSpline(
        pointTags: *mut ::std::os::raw::c_int,
        pointTags_n: usize,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a b-spline curve of degree `degree` with `pointTags` control points. If"]
    #[doc = " `weights`, `knots` or `multiplicities` are not provided, default parameters"]
    #[doc = " are computed automatically. If `tag` is positive, set the tag explicitly;"]
    #[doc = " otherwise a new tag is selected automatically. Create a periodic curve if"]
    #[doc = " the first and last points are the same. Return the tag of the b-spline"]
    #[doc = " curve."]
    pub fn gmshModelOccAddBSpline(
        pointTags: *mut ::std::os::raw::c_int,
        pointTags_n: usize,
        tag: ::std::os::raw::c_int,
        degree: ::std::os::raw::c_int,
        weights: *mut f64,
        weights_n: usize,
        knots: *mut f64,
        knots_n: usize,
        multiplicities: *mut ::std::os::raw::c_int,
        multiplicities_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a Bezier curve with `pointTags` control points. If `tag` is positive,"]
    #[doc = " set the tag explicitly; otherwise a new tag is selected automatically."]
    #[doc = " Return the tag of the Bezier curve."]
    pub fn gmshModelOccAddBezier(
        pointTags: *mut ::std::os::raw::c_int,
        pointTags_n: usize,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a wire (open or closed) formed by the curves `curveTags`. Note that an"]
    #[doc = " OpenCASCADE wire can be made of curves that share geometrically identical"]
    #[doc = " (but topologically different) points. If `tag` is positive, set the tag"]
    #[doc = " explicitly; otherwise a new tag is selected automatically. Return the tag"]
    #[doc = " of the wire."]
    pub fn gmshModelOccAddWire(
        curveTags: *mut ::std::os::raw::c_int,
        curveTags_n: usize,
        tag: ::std::os::raw::c_int,
        checkClosed: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a curve loop (a closed wire) formed by the curves `curveTags`."]
    #[doc = " `curveTags` should contain tags of curves forming a closed loop. Note that"]
    #[doc = " an OpenCASCADE curve loop can be made of curves that share geometrically"]
    #[doc = " identical (but topologically different) points. If `tag` is positive, set"]
    #[doc = " the tag explicitly; otherwise a new tag is selected automatically. Return"]
    #[doc = " the tag of the curve loop."]
    pub fn gmshModelOccAddCurveLoop(
        curveTags: *mut ::std::os::raw::c_int,
        curveTags_n: usize,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a rectangle with lower left corner at (`x`, `y`, `z`) and upper right"]
    #[doc = " corner at (`x` + `dx`, `y` + `dy`, `z`). If `tag` is positive, set the tag"]
    #[doc = " explicitly; otherwise a new tag is selected automatically. Round the"]
    #[doc = " corners if `roundedRadius` is nonzero. Return the tag of the rectangle."]
    pub fn gmshModelOccAddRectangle(
        x: f64,
        y: f64,
        z: f64,
        dx: f64,
        dy: f64,
        tag: ::std::os::raw::c_int,
        roundedRadius: f64,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a disk with center (`xc`, `yc`, `zc`) and radius `rx` along the x-axis"]
    #[doc = " and `ry` along the y-axis. If `tag` is positive, set the tag explicitly;"]
    #[doc = " otherwise a new tag is selected automatically. Return the tag of the disk."]
    pub fn gmshModelOccAddDisk(
        xc: f64,
        yc: f64,
        zc: f64,
        rx: f64,
        ry: f64,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a plane surface defined by one or more curve loops (or closed wires)"]
    #[doc = " `wireTags`. The first curve loop defines the exterior contour; additional"]
    #[doc = " curve loop define holes. If `tag` is positive, set the tag explicitly;"]
    #[doc = " otherwise a new tag is selected automatically. Return the tag of the"]
    #[doc = " surface."]
    pub fn gmshModelOccAddPlaneSurface(
        wireTags: *mut ::std::os::raw::c_int,
        wireTags_n: usize,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a surface filling the curve loops in `wireTags`. If `tag` is positive,"]
    #[doc = " set the tag explicitly; otherwise a new tag is selected automatically."]
    #[doc = " Return the tag of the surface. If `pointTags` are provided, force the"]
    #[doc = " surface to pass through the given points."]
    pub fn gmshModelOccAddSurfaceFilling(
        wireTag: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        pointTags: *mut ::std::os::raw::c_int,
        pointTags_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a surface loop (a closed shell) formed by `surfaceTags`.  If `tag` is"]
    #[doc = " positive, set the tag explicitly; otherwise a new tag is selected"]
    #[doc = " automatically. Return the tag of the surface loop. Setting `sewing` allows"]
    #[doc = " to build a shell made of surfaces that share geometrically identical (but"]
    #[doc = " topologically different) curves."]
    pub fn gmshModelOccAddSurfaceLoop(
        surfaceTags: *mut ::std::os::raw::c_int,
        surfaceTags_n: usize,
        tag: ::std::os::raw::c_int,
        sewing: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a volume (a region) defined by one or more surface loops `shellTags`."]
    #[doc = " The first surface loop defines the exterior boundary; additional surface"]
    #[doc = " loop define holes. If `tag` is positive, set the tag explicitly; otherwise"]
    #[doc = " a new tag is selected automatically. Return the tag of the volume."]
    pub fn gmshModelOccAddVolume(
        shellTags: *mut ::std::os::raw::c_int,
        shellTags_n: usize,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a sphere of center (`xc`, `yc`, `zc`) and radius `r`. The optional"]
    #[doc = " `angle1` and `angle2` arguments define the polar angle opening (from -Pi/2"]
    #[doc = " to Pi/2). The optional `angle3` argument defines the azimuthal opening"]
    #[doc = " (from 0 to 2*Pi). If `tag` is positive, set the tag explicitly; otherwise a"]
    #[doc = " new tag is selected automatically. Return the tag of the sphere."]
    pub fn gmshModelOccAddSphere(
        xc: f64,
        yc: f64,
        zc: f64,
        radius: f64,
        tag: ::std::os::raw::c_int,
        angle1: f64,
        angle2: f64,
        angle3: f64,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a parallelepipedic box defined by a point (`x`, `y`, `z`) and the"]
    #[doc = " extents along the x-, y- and z-axes. If `tag` is positive, set the tag"]
    #[doc = " explicitly; otherwise a new tag is selected automatically. Return the tag"]
    #[doc = " of the box."]
    pub fn gmshModelOccAddBox(
        x: f64,
        y: f64,
        z: f64,
        dx: f64,
        dy: f64,
        dz: f64,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a cylinder, defined by the center (`x`, `y`, `z`) of its first circular"]
    #[doc = " face, the 3 components (`dx`, `dy`, `dz`) of the vector defining its axis"]
    #[doc = " and its radius `r`. The optional `angle` argument defines the angular"]
    #[doc = " opening (from 0 to 2*Pi). If `tag` is positive, set the tag explicitly;"]
    #[doc = " otherwise a new tag is selected automatically. Return the tag of the"]
    #[doc = " cylinder."]
    pub fn gmshModelOccAddCylinder(
        x: f64,
        y: f64,
        z: f64,
        dx: f64,
        dy: f64,
        dz: f64,
        r: f64,
        tag: ::std::os::raw::c_int,
        angle: f64,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a cone, defined by the center (`x`, `y`, `z`) of its first circular"]
    #[doc = " face, the 3 components of the vector (`dx`, `dy`, `dz`) defining its axis"]
    #[doc = " and the two radii `r1` and `r2` of the faces (these radii can be zero). If"]
    #[doc = " `tag` is positive, set the tag explicitly; otherwise a new tag is selected"]
    #[doc = " automatically. `angle` defines the optional angular opening (from 0 to"]
    #[doc = " 2*Pi). Return the tag of the cone."]
    pub fn gmshModelOccAddCone(
        x: f64,
        y: f64,
        z: f64,
        dx: f64,
        dy: f64,
        dz: f64,
        r1: f64,
        r2: f64,
        tag: ::std::os::raw::c_int,
        angle: f64,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a right angular wedge, defined by the right-angle point (`x`, `y`, `z`)"]
    #[doc = " and the 3 extends along the x-, y- and z-axes (`dx`, `dy`, `dz`). If `tag`"]
    #[doc = " is positive, set the tag explicitly; otherwise a new tag is selected"]
    #[doc = " automatically. The optional argument `ltx` defines the top extent along the"]
    #[doc = " x-axis. Return the tag of the wedge."]
    pub fn gmshModelOccAddWedge(
        x: f64,
        y: f64,
        z: f64,
        dx: f64,
        dy: f64,
        dz: f64,
        tag: ::std::os::raw::c_int,
        ltx: f64,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a torus, defined by its center (`x`, `y`, `z`) and its 2 radii `r` and"]
    #[doc = " `r2`. If `tag` is positive, set the tag explicitly; otherwise a new tag is"]
    #[doc = " selected automatically. The optional argument `angle` defines the angular"]
    #[doc = " opening (from 0 to 2*Pi). Return the tag of the wedge."]
    pub fn gmshModelOccAddTorus(
        x: f64,
        y: f64,
        z: f64,
        r1: f64,
        r2: f64,
        tag: ::std::os::raw::c_int,
        angle: f64,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Add a volume (if the optional argument `makeSolid` is set) or surfaces"]
    #[doc = " defined through the open or closed wires `wireTags`. If `tag` is positive,"]
    #[doc = " set the tag explicitly; otherwise a new tag is selected automatically. The"]
    #[doc = " new entities are returned in `outDimTags`. If the optional argument"]
    #[doc = " `makeRuled` is set, the surfaces created on the boundary are forced to be"]
    #[doc = " ruled surfaces."]
    pub fn gmshModelOccAddThruSections(
        wireTags: *mut ::std::os::raw::c_int,
        wireTags_n: usize,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        tag: ::std::os::raw::c_int,
        makeSolid: ::std::os::raw::c_int,
        makeRuled: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Add a hollowed volume built from an initial volume `volumeTag` and a set of"]
    #[doc = " faces from this volume `excludeSurfaceTags`, which are to be removed. The"]
    #[doc = " remaining faces of the volume become the walls of the hollowed solid, with"]
    #[doc = " thickness `offset`. If `tag` is positive, set the tag explicitly; otherwise"]
    #[doc = " a new tag is selected automatically."]
    pub fn gmshModelOccAddThickSolid(
        volumeTag: ::std::os::raw::c_int,
        excludeSurfaceTags: *mut ::std::os::raw::c_int,
        excludeSurfaceTags_n: usize,
        offset: f64,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Extrude the model entities `dimTags` by translation along (`dx`, `dy`,"]
    #[doc = " `dz`). Return extruded entities in `outDimTags`. If `numElements` is not"]
    #[doc = " empty, also extrude the mesh: the entries in `numElements` give the number"]
    #[doc = " of elements in each layer. If `height` is not empty, it provides the"]
    #[doc = " (cumulative) height of the different layers, normalized to 1."]
    pub fn gmshModelOccExtrude(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        dx: f64,
        dy: f64,
        dz: f64,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        numElements: *mut ::std::os::raw::c_int,
        numElements_n: usize,
        heights: *mut f64,
        heights_n: usize,
        recombine: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Extrude the model entities `dimTags` by rotation of `angle` radians around"]
    #[doc = " the axis of revolution defined by the point (`x`, `y`, `z`) and the"]
    #[doc = " direction (`ax`, `ay`, `az`). Return extruded entities in `outDimTags`. If"]
    #[doc = " `numElements` is not empty, also extrude the mesh: the entries in"]
    #[doc = " `numElements` give the number of elements in each layer. If `height` is not"]
    #[doc = " empty, it provides the (cumulative) height of the different layers,"]
    #[doc = " normalized to 1. When the mesh is extruded the angle should be strictly"]
    #[doc = " smaller than 2*Pi."]
    pub fn gmshModelOccRevolve(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        x: f64,
        y: f64,
        z: f64,
        ax: f64,
        ay: f64,
        az: f64,
        angle: f64,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        numElements: *mut ::std::os::raw::c_int,
        numElements_n: usize,
        heights: *mut f64,
        heights_n: usize,
        recombine: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Add a pipe by extruding the entities `dimTags` along the wire `wireTag`."]
    #[doc = " Return the pipe in `outDimTags`."]
    pub fn gmshModelOccAddPipe(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        wireTag: ::std::os::raw::c_int,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Fillet the volumes `volumeTags` on the curves `curveTags` with radii"]
    #[doc = " `radii`. The `radii` vector can either contain a single radius, as many"]
    #[doc = " radii as `curveTags`, or twice as many as `curveTags` (in which case"]
    #[doc = " different radii are provided for the begin and end points of the curves)."]
    #[doc = " Return the filleted entities in `outDimTags`. Remove the original volume if"]
    #[doc = " `removeVolume` is set."]
    pub fn gmshModelOccFillet(
        volumeTags: *mut ::std::os::raw::c_int,
        volumeTags_n: usize,
        curveTags: *mut ::std::os::raw::c_int,
        curveTags_n: usize,
        radii: *mut f64,
        radii_n: usize,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        removeVolume: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Chamfer the volumes `volumeTags` on the curves `curveTags` with distances"]
    #[doc = " `distances` measured on surfaces `surfaceTags`. The `distances` vector can"]
    #[doc = " either contain a single distance, as many distances as `curveTags` and"]
    #[doc = " `surfaceTags`, or twice as many as `curveTags` and `surfaceTags` (in which"]
    #[doc = " case the first in each pair is measured on the corresponding surface in"]
    #[doc = " `surfaceTags`, the other on the other adjacent surface). Return the"]
    #[doc = " chamfered entities in `outDimTags`. Remove the original volume if"]
    #[doc = " `removeVolume` is set."]
    pub fn gmshModelOccChamfer(
        volumeTags: *mut ::std::os::raw::c_int,
        volumeTags_n: usize,
        curveTags: *mut ::std::os::raw::c_int,
        curveTags_n: usize,
        surfaceTags: *mut ::std::os::raw::c_int,
        surfaceTags_n: usize,
        distances: *mut f64,
        distances_n: usize,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        removeVolume: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Compute the boolean union (the fusion) of the entities `objectDimTags` and"]
    #[doc = " `toolDimTags`. Return the resulting entities in `outDimTags`. If `tag` is"]
    #[doc = " positive, try to set the tag explicitly (only valid if the boolean"]
    #[doc = " operation results in a single entity). Remove the object if `removeObject`"]
    #[doc = " is set. Remove the tool if `removeTool` is set."]
    pub fn gmshModelOccFuse(
        objectDimTags: *mut ::std::os::raw::c_int,
        objectDimTags_n: usize,
        toolDimTags: *mut ::std::os::raw::c_int,
        toolDimTags_n: usize,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        outDimTagsMap: *mut *mut *mut ::std::os::raw::c_int,
        outDimTagsMap_n: *mut *mut usize,
        outDimTagsMap_nn: *mut usize,
        tag: ::std::os::raw::c_int,
        removeObject: ::std::os::raw::c_int,
        removeTool: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Compute the boolean intersection (the common parts) of the entities"]
    #[doc = " `objectDimTags` and `toolDimTags`. Return the resulting entities in"]
    #[doc = " `outDimTags`. If `tag` is positive, try to set the tag explicitly (only"]
    #[doc = " valid if the boolean operation results in a single entity). Remove the"]
    #[doc = " object if `removeObject` is set. Remove the tool if `removeTool` is set."]
    pub fn gmshModelOccIntersect(
        objectDimTags: *mut ::std::os::raw::c_int,
        objectDimTags_n: usize,
        toolDimTags: *mut ::std::os::raw::c_int,
        toolDimTags_n: usize,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        outDimTagsMap: *mut *mut *mut ::std::os::raw::c_int,
        outDimTagsMap_n: *mut *mut usize,
        outDimTagsMap_nn: *mut usize,
        tag: ::std::os::raw::c_int,
        removeObject: ::std::os::raw::c_int,
        removeTool: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Compute the boolean difference between the entities `objectDimTags` and"]
    #[doc = " `toolDimTags`. Return the resulting entities in `outDimTags`. If `tag` is"]
    #[doc = " positive, try to set the tag explicitly (only valid if the boolean"]
    #[doc = " operation results in a single entity). Remove the object if `removeObject`"]
    #[doc = " is set. Remove the tool if `removeTool` is set."]
    pub fn gmshModelOccCut(
        objectDimTags: *mut ::std::os::raw::c_int,
        objectDimTags_n: usize,
        toolDimTags: *mut ::std::os::raw::c_int,
        toolDimTags_n: usize,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        outDimTagsMap: *mut *mut *mut ::std::os::raw::c_int,
        outDimTagsMap_n: *mut *mut usize,
        outDimTagsMap_nn: *mut usize,
        tag: ::std::os::raw::c_int,
        removeObject: ::std::os::raw::c_int,
        removeTool: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Compute the boolean fragments (general fuse) of the entities"]
    #[doc = " `objectDimTags` and `toolDimTags`. Return the resulting entities in"]
    #[doc = " `outDimTags`. If `tag` is positive, try to set the tag explicitly (only"]
    #[doc = " valid if the boolean operation results in a single entity). Remove the"]
    #[doc = " object if `removeObject` is set. Remove the tool if `removeTool` is set."]
    pub fn gmshModelOccFragment(
        objectDimTags: *mut ::std::os::raw::c_int,
        objectDimTags_n: usize,
        toolDimTags: *mut ::std::os::raw::c_int,
        toolDimTags_n: usize,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        outDimTagsMap: *mut *mut *mut ::std::os::raw::c_int,
        outDimTagsMap_n: *mut *mut usize,
        outDimTagsMap_nn: *mut usize,
        tag: ::std::os::raw::c_int,
        removeObject: ::std::os::raw::c_int,
        removeTool: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Translate the model entities `dimTags` along (`dx`, `dy`, `dz`)."]
    pub fn gmshModelOccTranslate(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        dx: f64,
        dy: f64,
        dz: f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Rotate the model entities `dimTags` of `angle` radians around the axis of"]
    #[doc = " revolution defined by the point (`x`, `y`, `z`) and the direction (`ax`,"]
    #[doc = " `ay`, `az`)."]
    pub fn gmshModelOccRotate(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        x: f64,
        y: f64,
        z: f64,
        ax: f64,
        ay: f64,
        az: f64,
        angle: f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Scale the model entities `dimTag` by factors `a`, `b` and `c` along the"]
    #[doc = " three coordinate axes; use (`x`, `y`, `z`) as the center of the homothetic"]
    #[doc = " transformation."]
    pub fn gmshModelOccDilate(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        x: f64,
        y: f64,
        z: f64,
        a: f64,
        b: f64,
        c: f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Apply a symmetry transformation to the model entities `dimTag`, with"]
    #[doc = " respect to the plane of equation `a` * x + `b` * y + `c` * z + `d` = 0."]
    pub fn gmshModelOccSymmetrize(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        a: f64,
        b: f64,
        c: f64,
        d: f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Apply a general affine transformation matrix `a` (16 entries of a 4x4"]
    #[doc = " matrix, by row; only the 12 first can be provided for convenience) to the"]
    #[doc = " model entities `dimTag`."]
    pub fn gmshModelOccAffineTransform(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        a: *mut f64,
        a_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Copy the entities `dimTags`; the new entities are returned in `outDimTags`."]
    pub fn gmshModelOccCopy(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Remove the entities `dimTags`. If `recursive` is true, remove all the"]
    #[doc = " entities on their boundaries, down to dimension 0."]
    pub fn gmshModelOccRemove(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        recursive: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Remove all duplicate entities (different entities at the same geometrical"]
    #[doc = " location) after intersecting (using boolean fragments) all highest"]
    #[doc = " dimensional entities."]
    pub fn gmshModelOccRemoveAllDuplicates(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Apply various healing procedures to the entities `dimTags` (or to all the"]
    #[doc = " entities in the model if `dimTags` is empty). Return the healed entities in"]
    #[doc = " `outDimTags`. Available healing options are listed in the Gmsh reference"]
    #[doc = " manual."]
    pub fn gmshModelOccHealShapes(
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        tolerance: f64,
        fixDegenerated: ::std::os::raw::c_int,
        fixSmallEdges: ::std::os::raw::c_int,
        fixSmallFaces: ::std::os::raw::c_int,
        sewFaces: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Import BREP, STEP or IGES shapes from the file `fileName`. The imported"]
    #[doc = " entities are returned in `outDimTags`. If the optional argument"]
    #[doc = " `highestDimOnly` is set, only import the highest dimensional entities in"]
    #[doc = " the file. The optional argument `format` can be used to force the format of"]
    #[doc = " the file (currently \"brep\", \"step\" or \"iges\")."]
    pub fn gmshModelOccImportShapes(
        fileName: *const ::std::os::raw::c_char,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        highestDimOnly: ::std::os::raw::c_int,
        format: *const ::std::os::raw::c_char,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Imports an OpenCASCADE `shape` by providing a pointer to a native"]
    #[doc = " OpenCASCADE `TopoDS_Shape` object (passed as a pointer to void). The"]
    #[doc = " imported entities are returned in `outDimTags`. If the optional argument"]
    #[doc = " `highestDimOnly` is set, only import the highest dimensional entities in"]
    #[doc = " `shape`. For C and C++ only. Warning: this function is unsafe, as providing"]
    #[doc = " an invalid pointer will lead to undefined behavior."]
    pub fn gmshModelOccImportShapesNativePointer(
        shape: *const ::std::os::raw::c_void,
        outDimTags: *mut *mut ::std::os::raw::c_int,
        outDimTags_n: *mut usize,
        highestDimOnly: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set a mesh size constraint on the model entities `dimTags`. Currently only"]
    #[doc = " entities of dimension 0 (points) are handled."]
    pub fn gmshModelOccSetMeshSize(
        dimTags: *mut ::std::os::raw::c_int,
        dimTags_n: usize,
        size: f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the mass of the model entity of dimension `dim` and tag `tag`."]
    pub fn gmshModelOccGetMass(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        mass: *mut f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the center of mass of the model entity of dimension `dim` and tag"]
    #[doc = " `tag`."]
    pub fn gmshModelOccGetCenterOfMass(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        x: *mut f64,
        y: *mut f64,
        z: *mut f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the matrix of inertia (by row) of the model entity of dimension `dim`"]
    #[doc = " and tag `tag`."]
    pub fn gmshModelOccGetMatrixOfInertia(
        dim: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        mat: *mut *mut f64,
        mat_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Synchronize the OpenCASCADE CAD representation with the current Gmsh model."]
    #[doc = " This can be called at any time, but since it involves a non trivial amount"]
    #[doc = " of processing, the number of synchronization points should normally be"]
    #[doc = " minimized."]
    pub fn gmshModelOccSynchronize(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Add a new post-processing view, with name `name`. If `tag` is positive use"]
    #[doc = " it (and remove the view with that tag if it already exists), otherwise"]
    #[doc = " associate a new tag. Return the view tag."]
    pub fn gmshViewAdd(
        name: *const ::std::os::raw::c_char,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Remove the view with tag `tag`."]
    pub fn gmshViewRemove(tag: ::std::os::raw::c_int, ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Get the index of the view with tag `tag` in the list of currently loaded"]
    #[doc = " views. This dynamic index (it can change when views are removed) is used to"]
    #[doc = " access view options."]
    pub fn gmshViewGetIndex(
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Get the tags of all views."]
    pub fn gmshViewGetTags(
        tags: *mut *mut ::std::os::raw::c_int,
        tags_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Add model-based post-processing data to the view with tag `tag`."]
    #[doc = " `modelName` identifies the model the data is attached to. `dataType`"]
    #[doc = " specifies the type of data, currently either \"NodeData\", \"ElementData\" or"]
    #[doc = " \"ElementNodeData\". `step` specifies the identifier (>= 0) of the data in a"]
    #[doc = " sequence. `tags` gives the tags of the nodes or elements in the mesh to"]
    #[doc = " which the data is associated. `data` is a vector of the same length as"]
    #[doc = " `tags`: each entry is the vector of double precision numbers representing"]
    #[doc = " the data associated with the corresponding tag. The optional `time`"]
    #[doc = " argument associate a time value with the data. `numComponents` gives the"]
    #[doc = " number of data components (1 for scalar data, 3 for vector data, etc.) per"]
    #[doc = " entity; if negative, it is automatically inferred (when possible) from the"]
    #[doc = " input data. `partition` allows to specify data in several sub-sets."]
    pub fn gmshViewAddModelData(
        tag: ::std::os::raw::c_int,
        step: ::std::os::raw::c_int,
        modelName: *const ::std::os::raw::c_char,
        dataType: *const ::std::os::raw::c_char,
        tags: *mut usize,
        tags_n: usize,
        data: *mut *const f64,
        data_n: *const usize,
        data_nn: usize,
        time: f64,
        numComponents: ::std::os::raw::c_int,
        partition: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get model-based post-processing data from the view with tag `tag` at step"]
    #[doc = " `step`. Return the `data` associated to the nodes or the elements with tags"]
    #[doc = " `tags`, as well as the `dataType` and the number of components"]
    #[doc = " `numComponents`."]
    pub fn gmshViewGetModelData(
        tag: ::std::os::raw::c_int,
        step: ::std::os::raw::c_int,
        dataType: *mut *mut ::std::os::raw::c_char,
        tags: *mut *mut usize,
        tags_n: *mut usize,
        data: *mut *mut *mut f64,
        data_n: *mut *mut usize,
        data_nn: *mut usize,
        time: *mut f64,
        numComponents: *mut ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Add list-based post-processing data to the view with tag `tag`. `dataType`"]
    #[doc = " identifies the data: \"SP\" for scalar points, \"VP\", for vector points, etc."]
    #[doc = " `numEle` gives the number of elements in the data. `data` contains the data"]
    #[doc = " for the `numEle` elements."]
    pub fn gmshViewAddListData(
        tag: ::std::os::raw::c_int,
        dataType: *const ::std::os::raw::c_char,
        numEle: ::std::os::raw::c_int,
        data: *mut f64,
        data_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get list-based post-processing data from the view with tag `tag`. Return"]
    #[doc = " the types `dataTypes`, the number of elements `numElements` for each data"]
    #[doc = " type and the `data` for each data type."]
    pub fn gmshViewGetListData(
        tag: ::std::os::raw::c_int,
        dataType: *mut *mut *mut ::std::os::raw::c_char,
        dataType_n: *mut usize,
        numElements: *mut *mut ::std::os::raw::c_int,
        numElements_n: *mut usize,
        data: *mut *mut *mut f64,
        data_n: *mut *mut usize,
        data_nn: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Add a post-processing view as an `alias` of the reference view with tag"]
    #[doc = " `refTag`. If `copyOptions` is set, copy the options of the reference view."]
    #[doc = " If `tag` is positive use it (and remove the view with that tag if it"]
    #[doc = " already exists), otherwise associate a new tag. Return the view tag."]
    pub fn gmshViewAddAlias(
        refTag: ::std::os::raw::c_int,
        copyOptions: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Copy the options from the view with tag `refTag` to the view with tag"]
    #[doc = " `tag`."]
    pub fn gmshViewCopyOptions(
        refTag: ::std::os::raw::c_int,
        tag: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Combine elements (if `what` == \"elements\") or steps (if `what` == \"steps\")"]
    #[doc = " of all views (`how` == \"all\"), all visible views (`how` == \"visible\") or"]
    #[doc = " all views having the same name (`how` == \"name\"). Remove original views if"]
    #[doc = " `remove` is set."]
    pub fn gmshViewCombine(
        what: *const ::std::os::raw::c_char,
        how: *const ::std::os::raw::c_char,
        remove: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Probe the view `tag` for its `value` at point (`x`, `y`, `z`). Return only"]
    #[doc = " the value at step `step` is `step` is positive. Return only values with"]
    #[doc = " `numComp` if `numComp` is positive. Return the gradient of the `value` if"]
    #[doc = " `gradient` is set. Probes with a geometrical tolerance (in the reference"]
    #[doc = " unit cube) of `tolerance` if `tolerance` is not zero. Return the result"]
    #[doc = " from the element described by its coordinates if `xElementCoord`,"]
    #[doc = " `yElementCoord` and `zElementCoord` are provided."]
    pub fn gmshViewProbe(
        tag: ::std::os::raw::c_int,
        x: f64,
        y: f64,
        z: f64,
        value: *mut *mut f64,
        value_n: *mut usize,
        step: ::std::os::raw::c_int,
        numComp: ::std::os::raw::c_int,
        gradient: ::std::os::raw::c_int,
        tolerance: f64,
        xElemCoord: *mut f64,
        xElemCoord_n: usize,
        yElemCoord: *mut f64,
        yElemCoord_n: usize,
        zElemCoord: *mut f64,
        zElemCoord_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Write the view to a file `fileName`. The export format is determined by the"]
    #[doc = " file extension. Append to the file if `append` is set."]
    pub fn gmshViewWrite(
        tag: ::std::os::raw::c_int,
        fileName: *const ::std::os::raw::c_char,
        append: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set the numerical option `option` to the value `value` for plugin `name`."]
    pub fn gmshPluginSetNumber(
        name: *const ::std::os::raw::c_char,
        option: *const ::std::os::raw::c_char,
        value: f64,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set the string option `option` to the value `value` for plugin `name`."]
    pub fn gmshPluginSetString(
        name: *const ::std::os::raw::c_char,
        option: *const ::std::os::raw::c_char,
        value: *const ::std::os::raw::c_char,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Run the plugin `name`."]
    pub fn gmshPluginRun(name: *const ::std::os::raw::c_char, ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Draw all the OpenGL scenes."]
    pub fn gmshGraphicsDraw(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Create the FLTK graphical user interface. Can only be called in the main"]
    #[doc = " thread."]
    pub fn gmshFltkInitialize(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Wait at most `time` seconds for user interface events and return. If `time`"]
    #[doc = " < 0, wait indefinitely. First automatically create the user interface if it"]
    #[doc = " has not yet been initialized. Can only be called in the main thread."]
    pub fn gmshFltkWait(time: f64, ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Update the user interface (potentially creating new widgets and windows)."]
    #[doc = " First automatically create the user interface if it has not yet been"]
    #[doc = " initialized. Can only be called in the main thread: use `awake(\"update\")`"]
    #[doc = " to trigger an update of the user interface from another thread."]
    pub fn gmshFltkUpdate(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Awake the main user interface thread and process pending events, and"]
    #[doc = " optionally perform an action (currently the only `action` allowed is"]
    #[doc = " \"update\")."]
    pub fn gmshFltkAwake(action: *const ::std::os::raw::c_char, ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Block the current thread until it can safely modify the user interface."]
    pub fn gmshFltkLock(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Release the lock that was set using lock."]
    pub fn gmshFltkUnlock(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Run the event loop of the graphical user interface, i.e. repeatedly call"]
    #[doc = " `wait()`. First automatically create the user interface if it has not yet"]
    #[doc = " been initialized. Can only be called in the main thread."]
    pub fn gmshFltkRun(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Select entities in the user interface. If `dim` is >= 0, return only the"]
    #[doc = " entities of the specified dimension (e.g. points if `dim` == 0)."]
    pub fn gmshFltkSelectEntities(
        dimTags: *mut *mut ::std::os::raw::c_int,
        dimTags_n: *mut usize,
        dim: ::std::os::raw::c_int,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Select elements in the user interface."]
    pub fn gmshFltkSelectElements(
        elementTags: *mut *mut usize,
        elementTags_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Select views in the user interface."]
    pub fn gmshFltkSelectViews(
        viewTags: *mut *mut ::std::os::raw::c_int,
        viewTags_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    ) -> ::std::os::raw::c_int;
}
extern "C" {
    #[doc = " Set one or more parameters in the ONELAB database, encoded in `format`."]
    pub fn gmshOnelabSet(
        data: *const ::std::os::raw::c_char,
        format: *const ::std::os::raw::c_char,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get all the parameters (or a single one if `name` is specified) from the"]
    #[doc = " ONELAB database, encoded in `format`."]
    pub fn gmshOnelabGet(
        data: *mut *mut ::std::os::raw::c_char,
        name: *const ::std::os::raw::c_char,
        format: *const ::std::os::raw::c_char,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set the value of the number parameter `name` in the ONELAB database. Create"]
    #[doc = " the parameter if it does not exist; update the value if the parameter"]
    #[doc = " exists."]
    pub fn gmshOnelabSetNumber(
        name: *const ::std::os::raw::c_char,
        value: *mut f64,
        value_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Set the value of the string parameter `name` in the ONELAB database. Create"]
    #[doc = " the parameter if it does not exist; update the value if the parameter"]
    #[doc = " exists."]
    pub fn gmshOnelabSetString(
        name: *const ::std::os::raw::c_char,
        value: *mut *mut ::std::os::raw::c_char,
        value_n: usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the value of the number parameter `name` from the ONELAB database."]
    #[doc = " Return an empty vector if the parameter does not exist."]
    pub fn gmshOnelabGetNumber(
        name: *const ::std::os::raw::c_char,
        value: *mut *mut f64,
        value_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Get the value of the string parameter `name` from the ONELAB database."]
    #[doc = " Return an empty vector if the parameter does not exist."]
    pub fn gmshOnelabGetString(
        name: *const ::std::os::raw::c_char,
        value: *mut *mut *mut ::std::os::raw::c_char,
        value_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Clear the ONELAB database, or remove a single parameter if `name` is given."]
    pub fn gmshOnelabClear(name: *const ::std::os::raw::c_char, ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Run a ONELAB client. If `name` is provided, create a new ONELAB client with"]
    #[doc = " name `name` and executes `command`. If not, try to run a client that might"]
    #[doc = " be linked to the processed input files."]
    pub fn gmshOnelabRun(
        name: *const ::std::os::raw::c_char,
        command: *const ::std::os::raw::c_char,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Write a `message`. `level` can be \"info\", \"warning\" or \"error\"."]
    pub fn gmshLoggerWrite(
        message: *const ::std::os::raw::c_char,
        level: *const ::std::os::raw::c_char,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Start logging messages."]
    pub fn gmshLoggerStart(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Get logged messages."]
    pub fn gmshLoggerGet(
        log: *mut *mut *mut ::std::os::raw::c_char,
        log_n: *mut usize,
        ierr: *mut ::std::os::raw::c_int,
    );
}
extern "C" {
    #[doc = " Stop logging messages."]
    pub fn gmshLoggerStop(ierr: *mut ::std::os::raw::c_int);
}
extern "C" {
    #[doc = " Return wall clock time."]
    pub fn gmshLoggerTime(ierr: *mut ::std::os::raw::c_int) -> f64;
}
extern "C" {
    #[doc = " Return CPU time."]
    pub fn gmshLoggerCputime(ierr: *mut ::std::os::raw::c_int) -> f64;
}