Function gmsh_sys::gmshOnelabSetNumber

pub unsafe extern "C" fn gmshOnelabSetNumber(
    name: *const c_char, 
    value: *mut f64, 
    value_n: usize, 
    ierr: *mut c_int
)

Set the value of the number parameter name in the ONELAB database. Create the parameter if it does not exist; update the value if the parameter exists.