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Differential D8199 Diff 26515 source/blender/physics/intern/implicit_blender.c

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source/blender/physics/intern/implicit_blender.c

Show First 20 Lines • Show All 84 Lines • ▼ Show 20 Linestypedef struct fmatrix3x3 {
unsigned int scount; /* spring count */ unsigned int scount; /* spring count */
} fmatrix3x3; } fmatrix3x3;
/////////////////////////// ///////////////////////////
// float[3] vector // float[3] vector
/////////////////////////// ///////////////////////////
/* simple vector code */ /* simple vector code */
/* STATUS: verified */ /* STATUS: verified */
DO_INLINE void mul_fvector_S(float to[3], float from[3], float scalar) DO_INLINE void mul_fvector_S(float to[3], const float from[3], float scalar)
{ {
to[0] = from[0] * scalar; to[0] = from[0] * scalar;
to[1] = from[1] * scalar; to[1] = from[1] * scalar;
to[2] = from[2] * scalar; to[2] = from[2] * scalar;
} }
/* simple v^T * v product ("outer product") */ /* simple v^T * v product ("outer product") */
/* STATUS: HAS TO BE verified (*should* work) */ /* STATUS: HAS TO BE verified (*should* work) */
DO_INLINE void mul_fvectorT_fvector(float to[3][3], float vectorA[3], float vectorB[3]) DO_INLINE void mul_fvectorT_fvector(float to[3][3], float vectorA[3], float vectorB[3])
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{ {
mul_fvector_S(matrix[0], matrix[0], scalar); mul_fvector_S(matrix[0], matrix[0], scalar);
mul_fvector_S(matrix[1], matrix[1], scalar); mul_fvector_S(matrix[1], matrix[1], scalar);
mul_fvector_S(matrix[2], matrix[2], scalar); mul_fvector_S(matrix[2], matrix[2], scalar);
} }
/* a vector multiplied by a 3x3 matrix */ /* a vector multiplied by a 3x3 matrix */
/* STATUS: verified */ /* STATUS: verified */
DO_INLINE void mul_fvector_fmatrix(float *to, float *from, float matrix[3][3]) DO_INLINE void mul_fvector_fmatrix(float *to, const float *from, float matrix[3][3])
{ {
to[0] = matrix[0][0] * from[0] + matrix[1][0] * from[1] + matrix[2][0] * from[2]; to[0] = matrix[0][0] * from[0] + matrix[1][0] * from[1] + matrix[2][0] * from[2];
to[1] = matrix[0][1] * from[0] + matrix[1][1] * from[1] + matrix[2][1] * from[2]; to[1] = matrix[0][1] * from[0] + matrix[1][1] * from[1] + matrix[2][1] * from[2];
to[2] = matrix[0][2] * from[0] + matrix[1][2] * from[1] + matrix[2][2] * from[2]; to[2] = matrix[0][2] * from[0] + matrix[1][2] * from[1] + matrix[2][2] * from[2];
} }
/* 3x3 matrix multiplied by a vector */ /* 3x3 matrix multiplied by a vector */
/* STATUS: verified */ /* STATUS: verified */
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/* STATUS: verified */ /* STATUS: verified */
DO_INLINE void muladd_fmatrix_fvector(float to[3], float matrix[3][3], float from[3]) DO_INLINE void muladd_fmatrix_fvector(float to[3], float matrix[3][3], float from[3])
{ {
to[0] += dot_v3v3(matrix[0], from); to[0] += dot_v3v3(matrix[0], from);
to[1] += dot_v3v3(matrix[1], from); to[1] += dot_v3v3(matrix[1], from);
to[2] += dot_v3v3(matrix[2], from); to[2] += dot_v3v3(matrix[2], from);
} }
DO_INLINE void muladd_fmatrixT_fvector(float to[3], float matrix[3][3], float from[3]) DO_INLINE void muladd_fmatrixT_fvector(float to[3], float matrix[3][3], const float from[3])
{ {
to[0] += matrix[0][0] * from[0] + matrix[1][0] * from[1] + matrix[2][0] * from[2]; to[0] += matrix[0][0] * from[0] + matrix[1][0] * from[1] + matrix[2][0] * from[2];
to[1] += matrix[0][1] * from[0] + matrix[1][1] * from[1] + matrix[2][1] * from[2]; to[1] += matrix[0][1] * from[0] + matrix[1][1] * from[1] + matrix[2][1] * from[2];
to[2] += matrix[0][2] * from[0] + matrix[1][2] * from[1] + matrix[2][2] * from[2]; to[2] += matrix[0][2] * from[0] + matrix[1][2] * from[1] + matrix[2][2] * from[2];
} }
BLI_INLINE void outerproduct(float r[3][3], const float a[3], const float b[3]) BLI_INLINE void outerproduct(float r[3][3], const float a[3], const float b[3])
{ {
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return true; return true;
} }
else { else {
return false; return false;
} }
} }
BLI_INLINE void poly_avg(lfVector *data, int *inds, int len, float r_avg[3]) BLI_INLINE void poly_avg(lfVector *data, const int *inds, int len, float r_avg[3])
{ {
float fact = 1.0f / (float)len; float fact = 1.0f / (float)len;
zero_v3(r_avg); zero_v3(r_avg);
for (int i = 0; i < len; i++) { for (int i = 0; i < len; i++) {
madd_v3_v3fl(r_avg, data[inds[i]], fact); madd_v3_v3fl(r_avg, data[inds[i]], fact);
} }
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