You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
34 lines
1.0 KiB
34 lines
1.0 KiB
1 year ago
|
// 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_INVERT_DIAG_H
|
||
|
|
#define IGL_INVERT_DIAG_H
|
||
|
|
#include "igl_inline.h"
|
||
|
|
#define EIGEN_YES_I_KNOW_SPARSE_MODULE_IS_NOT_STABLE_YET
|
||
|
|
#include <Eigen/Sparse>
|
||
|
|
|
||
|
|
namespace igl
|
||
|
|
{
|
||
|
|
/// Invert the diagonal entries of a matrix (if the matrix is a diagonal
|
||
|
|
/// matrix then this amounts to inverting the matrix)
|
||
|
|
///
|
||
|
|
/// @tparam T should be a eigen sparse matrix primitive type like int or double
|
||
|
|
/// @param[in] X an m by n sparse matrix
|
||
|
|
/// @param[out] Y an m by n sparse matrix
|
||
|
|
template <typename DerivedX, typename MatY>
|
||
|
|
IGL_INLINE void invert_diag(
|
||
|
|
const Eigen::SparseCompressedBase<DerivedX>& X,
|
||
|
|
MatY& Y);
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifndef IGL_STATIC_LIBRARY
|
||
|
|
# include "invert_diag.cpp"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|