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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2015 by Blender Foundation
* All rights reserved.
* */
#ifndef __BLI_MATH_SOLVERS_H__
#define __BLI_MATH_SOLVERS_H__
/** \file BLI_math_solvers.h
* \ingroup bli
*/
#ifdef __cplusplus
extern "C" {
#endif
#include "BLI_compiler_attrs.h"
#include "BLI_math_inline.h"
#ifdef BLI_MATH_GCC_WARN_PRAGMA
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wredundant-decls"
#endif
/********************************** Eigen Solvers *********************************/
bool BLI_eigen_solve_selfadjoint_m3(const float m3[3][3], float r_eigen_values[3], float r_eigen_vectors[3][3]);
void BLI_svd_m3(const float m3[3][3], float r_U[3][3], float r_S[], float r_V[3][3]);
/***************************** Simple Solvers ************************************/
bool BLI_tridiagonal_solve(const float *a, const float *b, const float *c, const float *d, float *r_x, const int count);
bool BLI_tridiagonal_solve_cyclic(const float *a, const float *b, const float *c, const float *d, float *r_x, const int count);
/**************************** Inline Definitions ******************************/
#if 0 /* None so far. */
# if BLI_MATH_DO_INLINE
# include "intern/math_geom_inline.c"
# endif
#endif
#ifdef BLI_MATH_GCC_WARN_PRAGMA
# pragma GCC diagnostic pop
#endif
#ifdef __cplusplus
}
#endif
#endif /* __BLI_MATH_SOLVERS_H__ */
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