Basix 0.10.0.0

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polynomials.h
1 // Copyright (c) 2021 Matthew Scroggs
2 // FEniCS Project
3 // SPDX-License-Identifier: MIT
4 
5 #pragma once
6 
7 #include "cell.h"
8 #include "mdspan.hpp"
9 #include "types.h"
10 #include <array>
11 #include <concepts>
12 #include <utility>
13 #include <vector>
14 
16 namespace basix::polynomials
17 {
19 enum class type
20 {
22  legendre = 0,
26  lagrange = 1,
28  bernstein = 2,
29 };
30 
39 template <std::floating_point T>
40 std::pair<std::vector<T>, std::array<std::size_t, 2>>
41 tabulate(polynomials::type polytype, cell::type celltype, int d,
42  md::mdspan<const T, md::dextents<std::size_t, 2>> x);
43 
50 int dim(polynomials::type polytype, cell::type cell, int d);
51 
52 } // namespace basix::polynomials
basix::cell::type
type
Cell type.
Definition: cell.h:21
basix::polynomials
Polynomials.
Definition: polynomials.h:17
basix::polynomials::dim
int dim(polynomials::type polytype, cell::type cell, int d)
Dimension of a polynomial space.
Definition: polynomials.cpp:312
basix::polynomials::tabulate
std::pair< std::vector< T >, std::array< std::size_t, 2 > > tabulate(polynomials::type polytype, cell::type celltype, int d, md::mdspan< const T, md::dextents< std::size_t, 2 >> x)
Tabulate a set of polynomials.
Definition: polynomials.cpp:269
basix::polynomials::type
type
Polynomial types that can be created.
Definition: polynomials.h:20
basix::polynomials::type::bernstein
@ bernstein
Bernstein polynomials.
basix::polynomials::type::legendre
@ legendre
Legendre polynomials: polynomials that span the full space on a cell.