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/* Copyright 2015 The Chromium OS Authors. All rights reserved.
* 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 "vec3.h"
#include "util.h"
typedef float mat33_t[3][3];
typedef size_t size3_t[3];
void init_zero_matrix(mat33_t A);
void init_diagonal_matrix(mat33_t A, float x);
void mat33_scalar_mul(mat33_t A, float c);
void mat33_swap_rows(mat33_t A, const size_t i, const size_t j);
void mat33_get_eigenbasis(mat33_t S, vec3_t eigenvals, mat33_t eigenvecs);
size_t mat33_maxind(mat33_t A, size_t k);
void mat33_rotate(mat33_t A, float c, float s,
size_t k, size_t l, size_t i, size_t j);
#endif /* __CROS_EC_MAT_33_H */
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