extreme macros pt 2
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67796685ac
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138656cbe6
3 changed files with 203 additions and 22 deletions
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@ -1,2 +1,126 @@
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#include "okuu.h"
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#define OKUU_MFALL(F, P, D) \
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F(P##D##i_t, D##i) \
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F(P##D##ui_t, D##ui) \
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F(P##D##f_t, D##f)
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#define OKUU_MFGALL(F, P) \
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F(P##gi_t, GLint, i) \
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F(P##gui_t, GLuint, ui) \
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F(P##gf_t, GLfloat, f)
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/** MATRIX GEN FUNCS **/
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#define OKUU_IDENT4(T, S) \
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inline T okuu_ident##S(void) { \
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return (T) {{ \
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{1, 0, 0, 0}, \
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{0, 1, 0, 0}, \
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{0, 0, 1, 0}, \
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{0, 0, 0, 1}, \
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}}; \
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}
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OKUU_MFALL(OKUU_IDENT4, mat, 4)
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#define OKUU_IDENT3(T, S) \
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inline T okuu_ident##S(void) { \
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return (T) {{ \
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{1, 0, 0}, \
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{0, 1, 0}, \
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{0, 0, 1}, \
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}}; \
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}
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OKUU_MFALL(OKUU_IDENT3, mat, 3)
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#define OKUU_IDENT2(T, S) \
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inline T okuu_ident##S(void) { \
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return (T) {{ \
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{1, 0}, \
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{0, 1}, \
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}}; \
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}
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OKUU_MFALL(OKUU_IDENT2, mat, 2)
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mat4f_t okuu_ortho_ex
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(GLfloat left, GLfloat right,
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GLfloat top, GLfloat bottom,
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GLfloat near, GLfloat far)
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{
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// TODO this
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return (mat4f_t) {{{}}};
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}
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inline mat4f_t okuu_ortho
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(GLfloat left, GLfloat right,
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GLfloat top, GLfloat bottom)
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{
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return okuu_ortho_ex(left, right,top, bottom, -1, 1);
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}
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/** END MATRIX GEN FUNCS **/
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/** MATRIX OPERATIONS **/
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#define OKUU_TRANSW(T, D, P, S) \
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T* okuu_transw##S(T* in) { \
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int i, j; P swap; \
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for(i = 0; i < D; ++i) { \
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for(j = 0; j < D; ++j) { \
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swap = in->mat[i][j]; \
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in->mat[i][j] = in->mat[D - i - 1][D - j - 1]; \
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in->mat[D - i - 1][D - j - 1] = swap; \
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} \
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} \
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return in; \
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}
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#define OKUU_TRANSW_MALL(T, D) \
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OKUU_TRANSW(T##D##i_t, D, GLint, D##i) \
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OKUU_TRANSW(T##D##ui_t, D, GLuint, D##ui) \
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OKUU_TRANSW(T##D##f_t, D, GLfloat, D##f)
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OKUU_TRANSW_MALL(mat, 4)
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OKUU_TRANSW_MALL(mat, 3)
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OKUU_TRANSW_MALL(mat, 2)
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#define OKUU_TRANS_SQ(T, S) \
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inline T okuu_trans##S(T in) { \
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return *okuu_transw##S(&in); \
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}
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OKUU_MFALL(OKUU_TRANS_SQ, mat, 4)
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OKUU_MFALL(OKUU_TRANS_SQ, mat, 3)
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OKUU_MFALL(OKUU_TRANS_SQ, mat, 2)
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#define OKUU_TRANS(R, C, P, TS) \
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mat##R##x##C##TS##_t \
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okuu_trans##C##x##R##TS(mat##C##x##R##TS##_t in) \
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{ \
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int i, j; mat##R##x##C##TS##_t out; \
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for(i = 0; i < R; ++i) \
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for(j = 0; j < C; ++j) \
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out.mat[j][i] = in.mat[i][j]; \
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return out; \
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}
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#define OKUU_TRANS_MALL(R, C) \
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OKUU_TRANS(R, C, GLint, i) \
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OKUU_TRANS(R, C, GLuint, ui) \
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OKUU_TRANS(R, C, GLfloat, f)
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OKUU_TRANS_MALL(4, 3)
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OKUU_TRANS_MALL(3, 4)
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OKUU_TRANS_MALL(4, 2)
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OKUU_TRANS_MALL(2, 4)
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OKUU_TRANS_MALL(3, 2)
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OKUU_TRANS_MALL(2, 3)
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/** END MATRIX OPERATIONS **/
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/** DEBUG FUNCTIONS **/
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#define OKUU_PRINTM(T, P, S) \
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void okuu_printm##S(void* mat, int rows, int cols) { \
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int i, j; \
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for(i = 0; i < rows; ++i) \
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for(j = 0; j < cols; ++j) \
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printf("%f ", ((T*)mat)->gl[i*cols + j]); \
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}
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OKUU_MFGALL(OKUU_PRINTM, mat)
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/** END DEBUG FUNCTIONS **/
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@ -1,10 +1,20 @@
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#ifndef CSC_OKUU_H
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#define CSC_OKUU_H
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#include <stdio.h>
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#include <GL/glew.h>
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/** PRIMITIVES **/
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#define OKUU_MGTYPE(T) \
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typedef union { \
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T** mat; \
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T* gl; \
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}
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OKUU_MGTYPE(GLint) matgi_t;
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OKUU_MGTYPE(GLuint) matgui_t;
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OKUU_MGTYPE(GLfloat) matgf_t;
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#define OKUU_MTYPE(T, R, C) \
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typedef union { \
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T mat[R][C]; \
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@ -20,6 +30,13 @@ OKUU_MTALL(4, 4, mat4);
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OKUU_MTALL(3, 3, mat3);
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OKUU_MTALL(2, 2, mat2);
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OKUU_MTALL(3, 4, mat4x3);
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OKUU_MTALL(4, 3, mat3x4);
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OKUU_MTALL(2, 4, mat4x2);
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OKUU_MTALL(4, 2, mat2x4);
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OKUU_MTALL(2, 3, mat3x2);
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OKUU_MTALL(3, 2, mat2x3);
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OKUU_MTALL(4, 1, vec4);
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OKUU_MTALL(3, 1, vec3);
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OKUU_MTALL(2, 1, vec2);
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@ -28,40 +45,68 @@ OKUU_MTALL(2, 1, vec2);
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/** MATRIX GEN FUNCS **/
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#define OKUU_MGALL(M) \
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M(mat4i_t, i) \
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M(mat4ui_t, ui) \
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M(mat4f_t, f)
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#define OKUU_IDENT(T, S) \
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inline T okuu_ident##S(void) { \
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return (T) {{ \
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{1, 0, 0, 0}, \
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{0, 1, 0, 0}, \
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{0, 0, 1, 0}, \
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{0, 0, 0, 1}, \
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}}; \
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}
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OKUU_MGALL(OKUU_IDENT)
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#define OKUU_IDENT_PROTO(S) \
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mat##S##_t okuu_ident##S(void);
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#define OKUU_IDENT_ALL(D) \
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OKUU_IDENT_PROTO(D##i) \
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OKUU_IDENT_PROTO(D##ui) \
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OKUU_IDENT_PROTO(D##f)
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OKUU_IDENT_ALL(4)
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OKUU_IDENT_ALL(3)
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OKUU_IDENT_ALL(2)
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mat4f_t okuu_ortho_ex
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(GLfloat left, GLfloat right,
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GLfloat top, GLfloat bottom,
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GLfloat near, GLfloat far);
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inline mat4f_t okuu_ortho
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mat4f_t okuu_ortho
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(GLfloat left, GLfloat right,
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GLfloat top, GLfloat bottom)
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{
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return okuu_ortho_ex(left, right,top, bottom, -1, 1);
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}
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GLfloat top, GLfloat bottom);
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/** END MATRIX GEN FUNCS **/
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/** MATRIX OPERATIONS **/
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#define OKUU_SQTRANSW_ALL(F, D) \
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F(D##i) \
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F(D##ui) \
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F(D##f)
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#define OKUU_TRANSW_PROTO(S) \
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mat##S##_t* okuu_transw##S(mat##S##_t* in);
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OKUU_SQTRANSW_ALL(OKUU_TRANSW_PROTO, 4)
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OKUU_SQTRANSW_ALL(OKUU_TRANSW_PROTO, 3)
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OKUU_SQTRANSW_ALL(OKUU_TRANSW_PROTO, 2)
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#define OKUU_SQTRANS_PROTO(S) \
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mat##S##_t okuu_trans##S(mat##S##_t in);
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OKUU_SQTRANSW_ALL(OKUU_SQTRANS_PROTO, 4)
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OKUU_SQTRANSW_ALL(OKUU_SQTRANS_PROTO, 3)
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OKUU_SQTRANSW_ALL(OKUU_SQTRANS_PROTO, 2)
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#define OKUU_TRANS_PROTO(S, R, C) \
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mat##R##x##C##S##_t \
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okuu_trans##C##x##R##S(mat##C##x##R##S##_t in);
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#define OKUU_TRANS_ALL(R, C) \
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OKUU_TRANS_PROTO(i, R, C) \
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OKUU_TRANS_PROTO(ui, R, C) \
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OKUU_TRANS_PROTO(f, R, C)
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OKUU_TRANS_ALL(4, 3)
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OKUU_TRANS_ALL(3, 4)
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OKUU_TRANS_ALL(4, 2)
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OKUU_TRANS_ALL(2, 4)
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OKUU_TRANS_ALL(3, 2)
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OKUU_TRANS_ALL(2, 3)
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/** END MATRIX OPERATIONS **/
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/** DEBUG FUNCTIONS **/
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void okuu_printmi(void* mat, int rows, int cols);
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void okuu_printmui(void* mat, int rows, int cols);
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void okuu_printmf(void* mat, int rows, int cols);
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/** END DEBUG FUNCTIONS **/
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#endif
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@ -5,6 +5,8 @@
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#include <GL/glew.h>
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#include <emscripten.h>
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#include "okuu/okuu.h"
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static struct {
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SDL_Window* hwnd;
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SDL_GLContext gl;
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void draw();
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int main(int argc, char** argv) {
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mat4f_t test = {{
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{1, 2, 1, 2},
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{3, 4, 3, 4},
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{5, 6, 5, 6},
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{7, 8, 7, 8},
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}};
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okuu_transw4f(&test);
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okuu_printmf(&test, 4, 4);
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if(argc != 3)
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return -1;
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