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15  * NEMAGFX API. THE UNMODIFIED, NORMATIVE VERSIONS OF THINK-SILICON NEMAGFX
17  *   https://think-silicon.com/products/software/nemagfx-api
41  * \param m Matrix to be loaded
44 void nema_mat3x3_load_identity(nema_matrix3x3_t m);
47 /** \brief Copy matrix _m to matrix m
49  * \param m Destination matrix
50  * \param m Source matrix
54 nema_mat3x3_copy(nema_matrix3x3_t m, nema_matrix3x3_t _m);
58  * \param m Matrix to apply transformation
63 void nema_mat3x3_translate   (nema_matrix3x3_t m, float tx, float ty);
67  * \param m Matrix to apply transformation
72 void nema_mat3x3_scale       (nema_matrix3x3_t m, float sx, float sy);
76  * \param m Matrix to apply transformation
81 void nema_mat3x3_shear       (nema_matrix3x3_t m, float shx, float shy);
85  * \param m Matrix to apply transformation
86  * \param mx if non-zero, mirror horizontally
87  * \param my if non-zero, mirror vertically
90 void nema_mat3x3_mirror      (nema_matrix3x3_t m, int mx, int my);
94  * \param m Matrix to apply transformation
98 void nema_mat3x3_rotate      (nema_matrix3x3_t m, float angle_degrees);
102  * \param m Matrix to apply transformation
108 nema_mat3x3_rotate2(nema_matrix3x3_t m, float cosa, float sina);
111 /** \brief Multiply two 3x3 matrices ( m = m*_m)
113  * \param m left matrix, will be overwritten by the result
117 void nema_mat3x3_mul(nema_matrix3x3_t m, nema_matrix3x3_t _m);
121  * \param m Matrix to multiply with
126 void nema_mat3x3_mul_vec(nema_matrix3x3_t m, float *x, float *y);
130  * \param m Matrix to multiply with
135 void nema_mat3x3_mul_vec_affine(nema_matrix3x3_t m, float *x, float *y);
139  * \param m Matrix
142 void nema_mat3x3_adj(nema_matrix3x3_t m);
147  * \param m Matrix to divide
151 void nema_mat3x3_div_scalar(nema_matrix3x3_t m, float s);
155  * \param m Matrix to invert
158 int nema_mat3x3_invert(nema_matrix3x3_t m);
165                              nema_matrix3x3_t m);
179  * \param m Mapping matrix
187                            nema_matrix3x3_t m);
191  * \param m Matrix to apply transformation
197 void nema_mat3x3_rotate_pivot(nema_matrix3x3_t m, float angle_degrees,
202  * \param m Matrix to apply transformation
210 void nema_mat3x3_scale_rotate_pivot(nema_matrix3x3_t m,
215 /** \brief Copy matrix _m to matrix m
217  * \param m Destination matrix
218  * \param m Source matrix
223 nema_mat3x3_copy(nema_matrix3x3_t m, nema_matrix3x3_t _m);