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/* Copyright 2015 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef __CROS_EC_MAT_33_H
#define __CROS_EC_MAT_33_H
#include "math_util.h"
#include "util.h"
#include "vec3.h"
typedef float mat33_float_t[3][3];
typedef size_t sizev3_t[3];
void mat33_fp_init_zero(mat33_fp_t A);
void mat33_fp_init_diagonal(mat33_fp_t A, fp_t x);
void mat33_fp_scalar_mul(mat33_fp_t A, fp_t c);
void mat33_fp_swap_rows(mat33_fp_t A, const size_t i, const size_t j);
void mat33_fp_get_eigenbasis(mat33_fp_t S, fpv3_t eigenvals,
mat33_fp_t eigenvecs);
size_t mat33_fp_maxind(mat33_fp_t A, size_t k);
void mat33_fp_rotate(mat33_fp_t A, fp_t c, fp_t s,
size_t k, size_t l, size_t i, size_t j);
#endif /* __CROS_EC_MAT_33_H */
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