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1 /*
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2 * DMLib
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3 * -- Vector and matrix functions
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4 * Programmed and designed by Matti 'ccr' Hamalainen
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5 * (C) Copyright 2011 Tecnic Software productions (TNSP)
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6 */
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7 #ifndef DMVECMAT_H
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8 #define DMVECMAT_H
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9 #include "dmlib.h"
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10
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11 #ifdef __cplusplus
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12 extern "C" {
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13 #endif
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14
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15 #define DM_MATRIX_SIZE (3)
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16
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17 typedef struct
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18 {
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19 DMFloat x, y, z;
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20 } DMVector;
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21
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22 typedef struct
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23 {
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24 DMFloat m[DM_MATRIX_SIZE][DM_MATRIX_SIZE];
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25 } DMMatrix;
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26
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27 void dm_vector_copy(DMVector *vd, DMVector *vs);
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28
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29 void dm_vector_add(DMVector *vr, const DMVector *v2);
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30 void dm_vector_add_r(DMVector *vr, const DMVector *v1, const DMVector *v2);
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31 void dm_vector_sub(DMVector *vr, const DMVector *v2);
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32 void dm_vector_sub_r(DMVector *vr, const DMVector *v1, const DMVector *v2);
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33
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34 DMFloat dm_vector_length(const DMVector *vs);
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35 void dm_vector_normalize(DMVector *vs);
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36 void dm_vector_scale(DMVector * vec, const DMFloat k);
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37 DMFloat dm_vector_dot(const DMVector *v1, const DMVector *v2);
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38 void dm_vector_cross(DMVector *vr, const DMVector *v1, const DMVector *v2);
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39
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40
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41 void dm_vector_mul_by_mat(DMVector *vd, const DMVector *vs, const DMMatrix *mat);
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42 void dm_vector_mul_by_mat_n(DMVector *list, const int nlist, const DMMatrix *mat);
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43
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44 void dm_matrix_unit(DMMatrix *mat);
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45 void dm_matrix_transpose(DMMatrix *mat1, const DMMatrix *mat2);
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46
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47 void dm_matrix_mul(DMMatrix *mat1, const DMMatrix *mat2);
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48 void dm_matrix_mul_n(DMMatrix *list, const int nlist, const DMMatrix *mat);
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49
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50 void dm_matrix_rot(DMMatrix *mat,
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51 const DMFloat sx, const DMFloat sy, const DMFloat sz,
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52 const DMFloat cx, const DMFloat cy, const DMFloat cz);
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53
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54 void dm_matrix_rot_a(DMMatrix *mat,
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55 const DMFloat ax, const DMFloat ay, const DMFloat az);
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56
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57
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58 #ifdef __cplusplus
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59 }
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60 #endif
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61 #endif // DMVECMAT_H
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