Function gmsh_sys::gmshModelGetCurvature

pub unsafe extern "C" fn gmshModelGetCurvature(
    dim: c_int, 
    tag: c_int, 
    parametricCoord: *mut f64, 
    parametricCoord_n: usize, 
    curvatures: *mut *mut f64, 
    curvatures_n: *mut usize, 
    ierr: *mut c_int
)

Evaluate the (maximum) curvature of the entity of dimension dim and tag tag at the parametric coordinates parametricCoord. Only valid for dim equal to 1 (with parametricCoord containing parametric coordinates on the curve) or 2 (with parametricCoord containing pairs of u, v parametric coordinates on the surface, concatenated: [p1u, p1v, p2u, ...]).