using negate_mat3_m4 instead of negate_m4. This avoids changing the behavior and only flips the 3x3 part of the matrix.
		
			
				
	
	
		
			265 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			265 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 * ***** BEGIN GPL LICENSE BLOCK *****
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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 *
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 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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 * All rights reserved.
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 * The Original Code is: some of this file.
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 *
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 * ***** END GPL LICENSE BLOCK *****
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 * */
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#ifndef __BLI_MATH_MATRIX_H__
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#define __BLI_MATH_MATRIX_H__
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/** \file BLI_math_matrix.h
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 *  \ingroup bli
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 */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "BLI_compiler_attrs.h"
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/********************************* Init **************************************/
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void zero_m2(float R[2][2]);
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void zero_m3(float R[3][3]);
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void zero_m4(float R[4][4]);
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void unit_m2(float R[2][2]);
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void unit_m3(float R[3][3]);
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void unit_m4(float R[4][4]);
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void copy_m2_m2(float R[2][2], float A[2][2]);
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void copy_m3_m3(float R[3][3], float A[3][3]);
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void copy_m4_m4(float R[4][4], float A[4][4]);
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void copy_m3_m4(float R[3][3], float A[4][4]);
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void copy_m4_m3(float R[4][4], float A[3][3]);
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/* double->float */
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void copy_m3_m3d(float R[3][3], double A[3][3]);
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void swap_m3m3(float A[3][3], float B[3][3]);
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void swap_m4m4(float A[4][4], float B[4][4]);
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/******************************** Arithmetic *********************************/
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void add_m3_m3m3(float R[3][3], float A[3][3], float B[3][3]);
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void add_m4_m4m4(float R[4][4], float A[4][4], float B[4][4]);
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void sub_m3_m3m3(float R[3][3], float A[3][3], float B[3][3]);
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void sub_m4_m4m4(float R[4][4], float A[4][4], float B[4][4]);
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void mul_m3_m3m3(float R[3][3], float A[3][3], float B[3][3]);
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void mul_m4_m3m4(float R[4][4], float A[3][3], float B[4][4]);
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void mul_m4_m4m3(float R[4][4], float A[4][4], float B[3][3]);
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void mul_m4_m4m4(float R[4][4], float A[4][4], float B[4][4]);
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void mul_m3_m3m4(float R[3][3], float A[4][4], float B[3][3]);
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/* mul_m3_series */
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void _va_mul_m3_series_3(float R[3][3], float M1[3][3], float M2[3][3]) ATTR_NONNULL();
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void _va_mul_m3_series_4(float R[3][3], float M1[3][3], float M2[3][3], float M3[3][3]) ATTR_NONNULL();
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void _va_mul_m3_series_5(float R[3][3], float M1[3][3], float M2[3][3], float M3[3][3], float M4[3][3]) ATTR_NONNULL();
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void _va_mul_m3_series_6(float R[3][3], float M1[3][3], float M2[3][3], float M3[3][3], float M4[3][3],
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                         float M5[3][3]) ATTR_NONNULL();
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void _va_mul_m3_series_7(float R[3][3], float M1[3][3], float M2[3][3], float M3[3][3], float M4[3][3],
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                         float M5[3][3], float M6[3][3]) ATTR_NONNULL();
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void _va_mul_m3_series_8(float R[3][3], float M1[3][3], float M2[3][3], float M3[3][3], float M4[3][3],
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                         float M5[3][3], float M6[3][3], float M7[3][3]) ATTR_NONNULL();
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void _va_mul_m3_series_9(float R[3][3], float M1[3][3], float M2[3][3], float M3[3][3], float M4[3][3],
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                         float M5[3][3], float M6[3][3], float M7[3][3], float M8[3][3]) ATTR_NONNULL();
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/* mul_m4_series */
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void _va_mul_m4_series_3(float R[4][4], float M1[4][4], float M2[4][4]) ATTR_NONNULL();
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void _va_mul_m4_series_4(float R[4][4], float M1[4][4], float M2[4][4], float M3[4][4]) ATTR_NONNULL();
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void _va_mul_m4_series_5(float R[4][4], float M1[4][4], float M2[4][4], float M3[4][4], float M4[4][4]) ATTR_NONNULL();
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void _va_mul_m4_series_6(float R[4][4], float M1[4][4], float M2[4][4], float M3[4][4], float M4[4][4],
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                        float M5[4][4]) ATTR_NONNULL();
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void _va_mul_m4_series_7(float R[4][4], float M1[4][4], float M2[4][4], float M3[4][4], float M4[4][4],
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                         float M5[4][4], float M6[4][4]) ATTR_NONNULL();
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void _va_mul_m4_series_8(float R[4][4], float M1[4][4], float M2[4][4], float M3[4][4], float M4[4][4],
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                         float M5[4][4], float M6[4][4], float M7[4][4]) ATTR_NONNULL();
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void _va_mul_m4_series_9(float R[4][4], float M1[4][4], float M2[4][4], float M3[4][4], float M4[4][4],
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                         float M5[4][4], float M6[4][4], float M7[4][4], float M8[4][4]) ATTR_NONNULL();
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#define mul_m3_series(...) VA_NARGS_CALL_OVERLOAD(_va_mul_m3_series_, __VA_ARGS__)
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#define mul_m4_series(...) VA_NARGS_CALL_OVERLOAD(_va_mul_m4_series_, __VA_ARGS__)
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void mul_m4_v3(float M[4][4], float r[3]);
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void mul_v3_m4v3(float r[3], float M[4][4], const float v[3]);
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void mul_v2_m4v3(float r[2], float M[4][4], const float v[3]);
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void mul_v2_m2v2(float r[2], float M[2][2], const float v[2]);
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void mul_m2v2(float M[2][2], float v[2]);
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void mul_mat3_m4_v3(float M[4][4], float r[3]);
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void mul_m4_v4(float M[4][4], float r[4]);
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void mul_v4_m4v4(float r[4], float M[4][4], const float v[4]);
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void mul_project_m4_v3(float M[4][4], float vec[3]);
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void mul_v3_project_m4_v3(float r[3], float mat[4][4], const float vec[3]);
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void mul_v2_project_m4_v3(float r[2], float M[4][4], const float vec[3]);
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void mul_m3_v2(float m[3][3], float r[2]);
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void mul_v2_m3v2(float r[2], float m[3][3], float v[2]);
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void mul_m3_v3(float M[3][3], float r[3]);
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void mul_v3_m3v3(float r[3], float M[3][3], const float a[3]);
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void mul_v2_m3v3(float r[2], float M[3][3], const float a[3]);
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void mul_transposed_m3_v3(float M[3][3], float r[3]);
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void mul_transposed_mat3_m4_v3(float M[4][4], float r[3]);
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void mul_m3_v3_double(float M[3][3], double r[3]);
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void mul_m3_fl(float R[3][3], float f);
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void mul_m4_fl(float R[4][4], float f);
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void mul_mat3_m4_fl(float R[4][4], float f);
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void negate_m3(float R[3][3]);
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void negate_mat3_m4(float R[4][4]);
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void negate_m4(float R[4][4]);
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bool invert_m3_ex(float m[3][3], const float epsilon);
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bool invert_m3_m3_ex(float m1[3][3], float m2[3][3], const float epsilon);
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bool invert_m3(float R[3][3]);
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bool invert_m3_m3(float R[3][3], float A[3][3]);
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bool invert_m4(float R[4][4]);
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bool invert_m4_m4(float R[4][4], float A[4][4]);
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/* double ariphmetics */
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void mul_m4_v4d(float M[4][4], double r[4]);
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void mul_v4d_m4v4d(double r[4], float M[4][4], double v[4]);
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/****************************** Linear Algebra *******************************/
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void transpose_m3(float R[3][3]);
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void transpose_m3_m3(float R[3][3], float A[3][3]);
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void transpose_m3_m4(float R[3][3], float A[4][4]);
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void transpose_m4(float R[4][4]);
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void transpose_m4_m4(float R[4][4], float A[4][4]);
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int compare_m4m4(float mat1[4][4], float mat2[4][4], float limit);
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void normalize_m3(float R[3][3]);
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void normalize_m3_m3(float R[3][3], float A[3][3]);
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void normalize_m4(float R[4][4]);
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void normalize_m4_m4(float R[4][4], float A[4][4]);
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void orthogonalize_m3(float R[3][3], int axis);
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void orthogonalize_m4(float R[4][4], int axis);
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bool is_orthogonal_m3(float mat[3][3]);
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bool is_orthogonal_m4(float mat[4][4]);
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bool is_orthonormal_m3(float mat[3][3]);
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bool is_orthonormal_m4(float mat[4][4]);
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bool is_uniform_scaled_m3(float mat[3][3]);
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bool is_uniform_scaled_m4(float m[4][4]);
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void adjoint_m2_m2(float R[2][2], float A[2][2]);
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void adjoint_m3_m3(float R[3][3], float A[3][3]);
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void adjoint_m4_m4(float R[4][4], float A[4][4]);
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float determinant_m2(float a, float b,
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                     float c, float d);
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float determinant_m3(float a, float b, float c,
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                     float d, float e, float f,
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                     float g, float h, float i);
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float determinant_m3_array(float m[3][3]);
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float determinant_m4(float A[4][4]);
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#define PSEUDOINVERSE_EPSILON 1e-8f
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void svd_m4(float U[4][4], float s[4], float V[4][4], float A[4][4]);
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void pseudoinverse_m4_m4(float Ainv[4][4], float A[4][4], float epsilon);
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void pseudoinverse_m3_m3(float Ainv[3][3], float A[3][3], float epsilon);
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bool has_zero_axis_m4(float matrix[4][4]);
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void invert_m4_m4_safe(float Ainv[4][4], float A[4][4]);
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/****************************** Transformations ******************************/
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void scale_m3_fl(float R[3][3], float scale);
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void scale_m4_fl(float R[4][4], float scale);
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float mat3_to_scale(float M[3][3]);
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float mat4_to_scale(float M[4][4]);
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void size_to_mat3(float R[3][3], const float size[3]);
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void size_to_mat4(float R[4][4], const float size[3]);
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void mat3_to_size(float r[3], float M[3][3]);
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void mat4_to_size(float r[3], float M[4][4]);
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void translate_m4(float mat[4][4], float tx, float ty, float tz);
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void rotate_m4(float mat[4][4], const char axis, const float angle);
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void rotate_m2(float mat[2][2], const float angle);
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void transform_pivot_set_m4(float mat[4][4], const float pivot[3]);
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void mat3_to_rot_size(float rot[3][3], float size[3], float mat3[3][3]);
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void mat4_to_loc_rot_size(float loc[3], float rot[3][3], float size[3], float wmat[4][4]);
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void mat4_to_loc_quat(float loc[3], float quat[4], float wmat[4][4]);
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void mat4_decompose(float loc[3], float quat[4], float size[3], float wmat[4][4]);
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void loc_eul_size_to_mat4(float R[4][4],
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                          const float loc[3], const float eul[3], const float size[3]);
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void loc_eulO_size_to_mat4(float R[4][4],
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                           const float loc[3], const float eul[3], const float size[3], const short order);
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void loc_quat_size_to_mat4(float R[4][4],
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                           const float loc[3], const float quat[4], const float size[3]);
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void loc_axisangle_size_to_mat4(float R[4][4],
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                                const float loc[3], const float axis[4], const float angle, const float size[3]);
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void blend_m3_m3m3(float R[3][3], float A[3][3], float B[3][3], const float t);
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void blend_m4_m4m4(float R[4][4], float A[4][4], float B[4][4], const float t);
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bool is_negative_m3(float mat[3][3]);
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bool is_negative_m4(float mat[4][4]);
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bool is_zero_m3(float mat[3][3]);
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bool is_zero_m4(float mat[4][4]);
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/* SpaceTransform helper */
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typedef struct SpaceTransform {
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	float local2target[4][4];
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	float target2local[4][4];
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} SpaceTransform;
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void BLI_space_transform_from_matrices(struct SpaceTransform *data, float local[4][4], float target[4][4]);
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void BLI_space_transform_apply(const struct SpaceTransform *data, float co[3]);
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void BLI_space_transform_invert(const struct SpaceTransform *data, float co[3]);
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void BLI_space_transform_apply_normal(const struct SpaceTransform *data, float no[3]);
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void BLI_space_transform_invert_normal(const struct SpaceTransform *data, float no[3]);
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#define BLI_SPACE_TRANSFORM_SETUP(data, local, target) \
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	BLI_space_transform_from_matrices((data), (local)->obmat, (target)->obmat)
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/*********************************** Other ***********************************/
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void print_m3(const char *str, float M[3][3]);
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void print_m4(const char *str, float M[3][4]);
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#define print_m3_id(M) print_m3(STRINGIFY(M), M)
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#define print_m4_id(M) print_m4(STRINGIFY(M), M)
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#ifdef __cplusplus
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}
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#endif
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#endif /* __BLI_MATH_MATRIX_H__ */
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