79 struct matrix {  struct
83 static INLINE void matrix_init(struct matrix *mat,  in matrix_init()  argument
89 static INLINE void matrix_inits(struct matrix *mat,  in matrix_inits()
99 static INLINE void matrix_load_identity(struct matrix *matrix)  in matrix_load_identity()  argument
104    memcpy(matrix->m, identity, sizeof(identity));  in matrix_load_identity()
107 static INLINE VGboolean matrix_is_identity(struct matrix *matrix)  in matrix_is_identity()  argument
109    return floatsEqual(matrix->m[0], 1) && floatIsZero(matrix->m[1]) &&  in matrix_is_identity()
110       floatIsZero(matrix->m[2]) &&  in matrix_is_identity()
111       floatIsZero(matrix->m[3]) && floatsEqual(matrix->m[4], 1) &&  in matrix_is_identity()
112       floatIsZero(matrix->m[5]) &&  in matrix_is_identity()
113       floatIsZero(matrix->m[6]) && floatIsZero(matrix->m[7]) &&  in matrix_is_identity()
114       floatIsZero(matrix->m[8]);  in matrix_is_identity()
117 static INLINE VGboolean matrix_is_affine(struct matrix *matrix)  in matrix_is_affine()  argument
119    return floatIsZero(matrix->m[2]) && floatIsZero(matrix->m[5])  in matrix_is_affine()
120       && floatsEqual(matrix->m[8], 1);  in matrix_is_affine()
124 static INLINE void matrix_make_affine(struct matrix *matrix)  in matrix_make_affine()  argument
126    matrix->m[2] = 0.f;  in matrix_make_affine()
127    matrix->m[5] = 0.f;  in matrix_make_affine()
128    matrix->m[8] = 1.f;  in matrix_make_affine()
131 static INLINE void matrix_mult(struct matrix *dst,  in matrix_mult()
132                                const struct matrix *src)  in matrix_mult()
152 static INLINE void matrix_map_point(struct matrix *mat,  in matrix_map_point()
169 static INLINE void matrix_translate(struct matrix *dst,  in matrix_translate()
173       struct matrix trans_matrix;  in matrix_translate()
184 static INLINE void matrix_scale(struct matrix *dst,  in matrix_scale()
188       struct matrix scale_matrix;  in matrix_scale()
199 static INLINE void matrix_shear(struct matrix *dst,  in matrix_shear()
202    struct matrix shear_matrix;  in matrix_shear()
209 static INLINE void matrix_rotate(struct matrix *dst,  in matrix_rotate()
212    struct matrix mat;  in matrix_rotate()
246 static INLINE VGfloat matrix_determinant(struct matrix *mat)  in matrix_determinant()
254 static INLINE void matrix_adjoint(struct matrix *mat)  in matrix_adjoint()
271 static INLINE void matrix_divs(struct matrix *mat,  in matrix_divs()
285 static INLINE VGboolean matrix_invert(struct matrix *mat)  in matrix_invert()
297 static INLINE VGboolean matrix_is_invertible(struct matrix *mat)  in matrix_is_invertible()
307                                               struct matrix *mat)  in matrix_square_to_quad()
356                                               struct matrix *mat)  in matrix_quad_to_square()
375                                             struct matrix *mat)  in matrix_quad_to_quad()
377    struct matrix sqr_to_qd;  in matrix_quad_to_quad()