/
is_symmetric.h
34 lines (32 loc) · 1.15 KB
/
is_symmetric.h
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
// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#ifndef IGL_IS_SYMMETRIC_H
#define IGL_IS_SYMMETRIC_H
#include "igl_inline.h"
#define EIGEN_YES_I_KNOW_SPARSE_MODULE_IS_NOT_STABLE_YET
#include <Eigen/Sparse>
namespace igl
{
/// Returns true if the given matrix is symmetric
/// @param[in] A m by m matrix
/// @return true if the matrix is square and symmetric
template <typename AT>
IGL_INLINE bool is_symmetric(const Eigen::SparseMatrix<AT>& A);
/// \overload
/// @param[in] epsilon threshold on L1 difference between A and A'
template <typename AT, typename epsilonT>
IGL_INLINE bool is_symmetric(const Eigen::SparseMatrix<AT>& A, const epsilonT epsilon);
/// \overload
template <typename DerivedA>
IGL_INLINE bool is_symmetric(
const Eigen::PlainObjectBase<DerivedA>& A);
}
#ifndef IGL_STATIC_LIBRARY
# include "is_symmetric.cpp"
#endif
#endif