Basix 0.10.0.0

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lattice.h
1 // Copyright (c) 2020-2022 Chris Richardson and Garth N. Wells
2 // FEniCS Project
3 // SPDX-License-Identifier: MIT
4 
5 #pragma once
6 
7 #include "cell.h"
8 #include <array>
9 #include <concepts>
10 #include <utility>
11 #include <vector>
12 
14 namespace basix::lattice
15 {
20 enum class type
21 {
22  equispaced = 0,
23  gll = 1,
24  chebyshev = 2,
25  gl = 4,
27  = 10,
29  = 11,
30 };
31 
33 enum class simplex_method
34 {
35  none = 0,
37  warp = 1,
39  isaac = 2,
42  centroid = 3,
46 };
47 
71 template <std::floating_point T>
72 std::pair<std::vector<T>, std::array<std::size_t, 2>>
73 create(cell::type celltype, int n, lattice::type type, bool exterior,
75 
76 } // namespace basix::lattice
type
Cell type.
Definition: cell.h:21
Lattices of points.
Definition: lattice.h:15
type
The type of point spacing to be used in a lattice.
Definition: lattice.h:21
simplex_method
The method used to generate points inside simplices.
Definition: lattice.h:34
std::pair< std::vector< T >, std::array< std::size_t, 2 > > create(cell::type celltype, int n, lattice::type type, bool exterior, lattice::simplex_method simplex_method=lattice::simplex_method::none)
Create a lattice of points on a reference cell optionally including the outer surface points.
Definition: lattice.cpp:820