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annotate libs/vmath/matrix.inl @ 29:fb4c9641059f

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added more forgotten files
author John Tsiombikas <nuclear@mutantstargoat.com>
date Thu, 08 Sep 2011 08:31:15 +0300
parents
children ff055bff6a15
rev   line source
nuclear@29 1 #include <string.h>
nuclear@29 2
nuclear@29 3 #ifdef __cplusplus
nuclear@29 4 extern "C" {
nuclear@29 5 #endif /* __cplusplus */
nuclear@29 6
nuclear@29 7 /* C matrix 3x3 functions */
nuclear@29 8 static inline void m3_identity(mat3_t m)
nuclear@29 9 {
nuclear@29 10 static const mat3_t id = {{1, 0, 0}, {0, 1, 0}, {0, 0, 1}};
nuclear@29 11 memcpy(m, id, sizeof id);
nuclear@29 12 }
nuclear@29 13
nuclear@29 14 static inline void m3_cons(mat3_t m,
nuclear@29 15 scalar_t m11, scalar_t m12, scalar_t m13,
nuclear@29 16 scalar_t m21, scalar_t m22, scalar_t m23,
nuclear@29 17 scalar_t m31, scalar_t m32, scalar_t m33)
nuclear@29 18 {
nuclear@29 19 m[0][0] = m11; m[0][1] = m12; m[0][2] = m13;
nuclear@29 20 m[1][0] = m21; m[1][1] = m22; m[1][2] = m23;
nuclear@29 21 m[2][0] = m31; m[2][1] = m32; m[2][2] = m33;
nuclear@29 22 }
nuclear@29 23
nuclear@29 24 static inline void m3_copy(mat3_t dest, mat3_t src)
nuclear@29 25 {
nuclear@29 26 memcpy(dest, src, sizeof(mat3_t));
nuclear@29 27 }
nuclear@29 28
nuclear@29 29
nuclear@29 30 /* C matrix 4x4 functions */
nuclear@29 31 static inline void m4_identity(mat4_t m)
nuclear@29 32 {
nuclear@29 33 static const mat4_t id = {{1, 0, 0, 0}, {0, 1, 0, 0}, {0, 0, 1, 0}, {0, 0, 0, 1}};
nuclear@29 34 memcpy(m, id, sizeof id);
nuclear@29 35 }
nuclear@29 36
nuclear@29 37 static inline void m4_cons(mat4_t m,
nuclear@29 38 scalar_t m11, scalar_t m12, scalar_t m13, scalar_t m14,
nuclear@29 39 scalar_t m21, scalar_t m22, scalar_t m23, scalar_t m24,
nuclear@29 40 scalar_t m31, scalar_t m32, scalar_t m33, scalar_t m34,
nuclear@29 41 scalar_t m41, scalar_t m42, scalar_t m43, scalar_t m44)
nuclear@29 42 {
nuclear@29 43 m[0][0] = m11; m[0][1] = m12; m[0][2] = m13; m[0][3] = m14;
nuclear@29 44 m[1][0] = m21; m[1][1] = m22; m[1][2] = m23; m[1][3] = m24;
nuclear@29 45 m[2][0] = m31; m[2][1] = m32; m[2][2] = m33; m[2][3] = m34;
nuclear@29 46 m[3][0] = m41; m[3][1] = m42; m[3][2] = m43; m[3][3] = m44;
nuclear@29 47 }
nuclear@29 48
nuclear@29 49 static inline void m4_copy(mat4_t dest, mat4_t src)
nuclear@29 50 {
nuclear@29 51 memcpy(dest, src, sizeof(mat4_t));
nuclear@29 52 }
nuclear@29 53
nuclear@29 54 static inline void m4_mult(mat4_t res, mat4_t m1, mat4_t m2)
nuclear@29 55 {
nuclear@29 56 res[0][0] = m1[0][0] * m2[0][0] + m1[0][1] * m2[1][0] + m1[0][2] * m2[2][0] + m1[0][3] * m2[3][0];
nuclear@29 57 res[0][1] = m1[0][0] * m2[0][1] + m1[0][1] * m2[1][1] + m1[0][2] * m2[2][1] + m1[0][3] * m2[3][1];
nuclear@29 58 res[0][2] = m1[0][0] * m2[0][2] + m1[0][1] * m2[1][2] + m1[0][2] * m2[2][2] + m1[0][3] * m2[3][2];
nuclear@29 59 res[0][3] = m1[0][0] * m2[0][3] + m1[0][1] * m2[1][3] + m1[0][2] * m2[2][3] + m1[0][3] * m2[3][3];
nuclear@29 60
nuclear@29 61 res[1][0] = m1[1][0] * m2[0][0] + m1[1][1] * m2[1][0] + m1[1][2] * m2[2][0] + m1[1][3] * m2[3][0];
nuclear@29 62 res[1][1] = m1[1][0] * m2[0][1] + m1[1][1] * m2[1][1] + m1[1][2] * m2[2][1] + m1[1][3] * m2[3][1];
nuclear@29 63 res[1][2] = m1[1][0] * m2[0][2] + m1[1][1] * m2[1][2] + m1[1][2] * m2[2][2] + m1[1][3] * m2[3][2];
nuclear@29 64 res[1][3] = m1[1][0] * m2[0][3] + m1[1][1] * m2[1][3] + m1[1][2] * m2[2][3] + m1[1][3] * m2[3][3];
nuclear@29 65
nuclear@29 66 res[2][0] = m1[2][0] * m2[0][0] + m1[2][1] * m2[1][0] + m1[2][2] * m2[2][0] + m1[2][3] * m2[3][0];
nuclear@29 67 res[2][1] = m1[2][0] * m2[0][1] + m1[2][1] * m2[1][1] + m1[2][2] * m2[2][1] + m1[2][3] * m2[3][1];
nuclear@29 68 res[2][2] = m1[2][0] * m2[0][2] + m1[2][1] * m2[1][2] + m1[2][2] * m2[2][2] + m1[2][3] * m2[3][2];
nuclear@29 69 res[2][3] = m1[2][0] * m2[0][3] + m1[2][1] * m2[1][3] + m1[2][2] * m2[2][3] + m1[2][3] * m2[3][3];
nuclear@29 70
nuclear@29 71 res[3][0] = m1[3][0] * m2[0][0] + m1[3][1] * m2[1][0] + m1[3][2] * m2[2][0] + m1[3][3] * m2[3][0];
nuclear@29 72 res[3][1] = m1[3][0] * m2[0][1] + m1[3][1] * m2[1][1] + m1[3][2] * m2[2][1] + m1[3][3] * m2[3][1];
nuclear@29 73 res[3][2] = m1[3][0] * m2[0][2] + m1[3][1] * m2[1][2] + m1[3][2] * m2[2][2] + m1[3][3] * m2[3][2];
nuclear@29 74 res[3][3] = m1[3][0] * m2[0][3] + m1[3][1] * m2[1][3] + m1[3][2] * m2[2][3] + m1[3][3] * m2[3][3];
nuclear@29 75 }
nuclear@29 76
nuclear@29 77 static inline void m4_set_column(mat4_t m, vec4_t v, int idx)
nuclear@29 78 {
nuclear@29 79 m[0][idx] = v.x;
nuclear@29 80 m[1][idx] = v.y;
nuclear@29 81 m[2][idx] = v.z;
nuclear@29 82 m[3][idx] = v.w;
nuclear@29 83 }
nuclear@29 84
nuclear@29 85 static inline void m4_set_row(mat4_t m, vec4_t v, int idx)
nuclear@29 86 {
nuclear@29 87 m[idx][0] = v.x;
nuclear@29 88 m[idx][1] = v.y;
nuclear@29 89 m[idx][2] = v.z;
nuclear@29 90 m[idx][3] = v.w;
nuclear@29 91 }
nuclear@29 92
nuclear@29 93 #ifdef __cplusplus
nuclear@29 94 } /* extern "C" */
nuclear@29 95
nuclear@29 96
nuclear@29 97 /* unrolled to hell and inline */
nuclear@29 98 inline Matrix4x4 operator *(const Matrix4x4 &m1, const Matrix4x4 &m2) {
nuclear@29 99 Matrix4x4 res;
nuclear@29 100
nuclear@29 101 res.m[0][0] = m1.m[0][0] * m2.m[0][0] + m1.m[0][1] * m2.m[1][0] + m1.m[0][2] * m2.m[2][0] + m1.m[0][3] * m2.m[3][0];
nuclear@29 102 res.m[0][1] = m1.m[0][0] * m2.m[0][1] + m1.m[0][1] * m2.m[1][1] + m1.m[0][2] * m2.m[2][1] + m1.m[0][3] * m2.m[3][1];
nuclear@29 103 res.m[0][2] = m1.m[0][0] * m2.m[0][2] + m1.m[0][1] * m2.m[1][2] + m1.m[0][2] * m2.m[2][2] + m1.m[0][3] * m2.m[3][2];
nuclear@29 104 res.m[0][3] = m1.m[0][0] * m2.m[0][3] + m1.m[0][1] * m2.m[1][3] + m1.m[0][2] * m2.m[2][3] + m1.m[0][3] * m2.m[3][3];
nuclear@29 105
nuclear@29 106 res.m[1][0] = m1.m[1][0] * m2.m[0][0] + m1.m[1][1] * m2.m[1][0] + m1.m[1][2] * m2.m[2][0] + m1.m[1][3] * m2.m[3][0];
nuclear@29 107 res.m[1][1] = m1.m[1][0] * m2.m[0][1] + m1.m[1][1] * m2.m[1][1] + m1.m[1][2] * m2.m[2][1] + m1.m[1][3] * m2.m[3][1];
nuclear@29 108 res.m[1][2] = m1.m[1][0] * m2.m[0][2] + m1.m[1][1] * m2.m[1][2] + m1.m[1][2] * m2.m[2][2] + m1.m[1][3] * m2.m[3][2];
nuclear@29 109 res.m[1][3] = m1.m[1][0] * m2.m[0][3] + m1.m[1][1] * m2.m[1][3] + m1.m[1][2] * m2.m[2][3] + m1.m[1][3] * m2.m[3][3];
nuclear@29 110
nuclear@29 111 res.m[2][0] = m1.m[2][0] * m2.m[0][0] + m1.m[2][1] * m2.m[1][0] + m1.m[2][2] * m2.m[2][0] + m1.m[2][3] * m2.m[3][0];
nuclear@29 112 res.m[2][1] = m1.m[2][0] * m2.m[0][1] + m1.m[2][1] * m2.m[1][1] + m1.m[2][2] * m2.m[2][1] + m1.m[2][3] * m2.m[3][1];
nuclear@29 113 res.m[2][2] = m1.m[2][0] * m2.m[0][2] + m1.m[2][1] * m2.m[1][2] + m1.m[2][2] * m2.m[2][2] + m1.m[2][3] * m2.m[3][2];
nuclear@29 114 res.m[2][3] = m1.m[2][0] * m2.m[0][3] + m1.m[2][1] * m2.m[1][3] + m1.m[2][2] * m2.m[2][3] + m1.m[2][3] * m2.m[3][3];
nuclear@29 115
nuclear@29 116 res.m[3][0] = m1.m[3][0] * m2.m[0][0] + m1.m[3][1] * m2.m[1][0] + m1.m[3][2] * m2.m[2][0] + m1.m[3][3] * m2.m[3][0];
nuclear@29 117 res.m[3][1] = m1.m[3][0] * m2.m[0][1] + m1.m[3][1] * m2.m[1][1] + m1.m[3][2] * m2.m[2][1] + m1.m[3][3] * m2.m[3][1];
nuclear@29 118 res.m[3][2] = m1.m[3][0] * m2.m[0][2] + m1.m[3][1] * m2.m[1][2] + m1.m[3][2] * m2.m[2][2] + m1.m[3][3] * m2.m[3][2];
nuclear@29 119 res.m[3][3] = m1.m[3][0] * m2.m[0][3] + m1.m[3][1] * m2.m[1][3] + m1.m[3][2] * m2.m[2][3] + m1.m[3][3] * m2.m[3][3];
nuclear@29 120
nuclear@29 121 return res;
nuclear@29 122 }
nuclear@29 123
nuclear@29 124 inline scalar_t *Matrix3x3::operator [](int index) {
nuclear@29 125 return m[index];
nuclear@29 126 }
nuclear@29 127
nuclear@29 128 inline const scalar_t *Matrix3x3::operator [](int index) const {
nuclear@29 129 return m[index];
nuclear@29 130 }
nuclear@29 131
nuclear@29 132 inline void Matrix3x3::reset_identity() {
nuclear@29 133 memcpy(this->m, identity.m, 9 * sizeof(scalar_t));
nuclear@29 134 }
nuclear@29 135
nuclear@29 136 inline scalar_t *Matrix4x4::operator [](int index) {
nuclear@29 137 return m[index];
nuclear@29 138 }
nuclear@29 139
nuclear@29 140 inline const scalar_t *Matrix4x4::operator [](int index) const {
nuclear@29 141 return m[index];
nuclear@29 142 }
nuclear@29 143
nuclear@29 144 inline void Matrix4x4::reset_identity() {
nuclear@29 145 memcpy(this->m, identity.m, 16 * sizeof(scalar_t));
nuclear@29 146 }
nuclear@29 147 #endif /* __cplusplus */