src/common/sm_matrix.h File Reference

Go to the source code of this file.

Typedefs
typedef float	vec3 [3]
typedef float	mat3 [3][3]
Functions
void	smZero (vec3 A)
	zero out vector
void	smCopy (vec3 a, vec3 b)
	copy vector a into vector b
void	smCopy (vec3 *a, vec3 *b, int len)
void	smAdd (vec3 a, vec3 b)
	add vector a and b and put results into b
void	smAdd (vec3 a, vec3 b, vec3 c)
	add vector a and b and put results into c
void	smAdd (vec3 a, vec3 *in_vec, int count)
void	smAdd (vec3 a, vec3 *in_vec, vec3 *out_vec, int count)
void	smSub (vec3 a, vec3 b, vec3 c)
	subtract vec b from a and place results in c
void	smSub (vec3 *in_vec, vec3 a, vec3 *out_vec, int count)
void	smSub (vec3 a, vec3 *in_vec, vec3 *out_vec, int count)
void	smSub (vec3 *in_vec, vec3 a, int count)
void	smMultMat (mat3 a, mat3 b, mat3 c)
	multiply matrix a and b and put results into c
void	smMultMat (mat3 u, vec3 in_vec)
	multiply matrix u times a vectors and put the results in in_vec
void	smMultMat (mat3 u, vec3 *in_vec, int len)
	multiply matrix u times an array of vectors and put the results in in_vec
void	smMultMat (mat3 u, vec3 *in_vec, vec3 *out_vec, int len)
	multiply matrix u times an array of vectors and put the results in out_vec
void	smMultVec (vec3 a, mat3 b)
void	smMultVec (vec3 a, mat3 b, vec3 a_out)
void	smMultVec (vec3 *a, mat3 b, int len)
void	smMultVec (vec3 *a, mat3 b, vec3 *a_out, int len)
float	smDotProduct (vec3 a, vec3 b)
float	smVectorAngle (vec3 point1, vec3 point2, vec3 center)
float	smVectorAngle (vec3 point1, vec3 point2)
int	smInverseMatrix (float original_matrix[3][3], float inverse_matrix[3][3])
	calculate inverse and original_matrix and place into inverse_matrix
void	smMinus (vec3 a)
	negate vector a
float	smNorm (vec3 a)
	calculate the normalization value of vector a
void	smNormalize (vec3 a)
	normalize vector a
float	smDistance (vec3 a, vec3 b)
void	smCrossProduct (vec3 a, vec3 b, vec3 c)
	get the cross product and a and b and place in vector c
void	smComputeConvertMatrix (vec3 a, vec3 b, vec3 c, float convert_matrix[3][3])
void	smMakeRotationMatrix (float angle, vec3 C, float rot_mat[3][3])
	given a vector from the origin and the rotation about that vector, calculate a rotational matrix
char	smCalcMinRmsdRotation (vec3 *vec_a, vec3 *vec_b, int len, float matrix[3][3])
	given two arrays of points, calculate the rotation matrix that minimizes the RMSD
char	smMoveMinRmsd (vec3 *vec_a, vec3 *vec_b, int len)
	given two arrays of points minimize the RMSD between the points and move vec_a
char	smCalcMinRmsdRotationTri (vec3 *vec_a, vec3 *vec_b, float matrix[3][3])
void	smMoveMeanOrigin (vec3 *vec_a, int len_a, vec3 *vec_b)
	take array of points in vec_a and move the mean of those points to the origin, place results in vec_b
void	smMoveMeanOrigin (vec3 *vec_a, int len_a)
	take array of points in vec_a and move the mean of those points to the origin
void	smCalcMeanOrigin (vec3 *vec_a, int len_a, vec3 mean)
float	smCalcRmsd (vec3 *vec_a, vec3 *vec_b, int len)
float	smCalcInterRmsd (vec3 *vec_a, vec3 *vec_b, int len)
float	smCalcFrobeniusNorm (float matrix_a[3][3], float matrix_b[3][3])

---

Detailed Description

Definition in file sm_matrix.h.

---