[synclust.git] / src / sources / utils / algebra.h

#ifndef SYNCLUST_ALGEBRA_H
#define SYNCLUST_ALGEBRA_H

// small useful function to transform a matrix as given by R 
// into a easier-to-handle one.
double* transpose(
	double* M, 
	int nrow, 
	int ncol
);

// auxiliary to compute euclidian norm
double norm2(
	double* v, 
	int length
);

// auxiliary to compute euclidian distance
double distance2(
	double* v1, 
	double* v2, 
	int length
);

#endif
Commit	Line	Data
15d1825d BA	1	#ifndef SYNCLUST_ALGEBRA_H
	2	#define SYNCLUST_ALGEBRA_H
	3
	4	// small useful function to transform a matrix as given by R
	5	// into a easier-to-handle one.
	6	double* transpose(
	7	double* M,
	8	int nrow,
	9	int ncol
	10	);
	11
	12	// auxiliary to compute euclidian norm
	13	double norm2(
	14	double* v,
	15	int length
	16	);
	17
	18	// auxiliary to compute euclidian distance
	19	double distance2(
	20	double* v1,
	21	double* v2,
	22	int length
	23	);
	24
	25	#endif