cxsvd.cpp File Reference

#include "_cxcore.h"
#include <float.h>

Macros
#define	icvGivens_64f(n, x, y, c, s)
#define	icvGivens_32f(n, x, y, c, s)
#define	MAX_ITERS   30

Functions
CV_IMPL void	cvSVD (CvArr *aarr, CvArr *warr, CvArr *uarr, CvArr *varr, int flags)
CV_IMPL void	cvSVBkSb (const CvArr *warr, const CvArr *uarr, const CvArr *varr, const CvArr *barr, CvArr *xarr, int flags)

Macro Definition Documentation

#define icvGivens_32f	(		n,
			x,
			y,
			c,
			s
	)

Value:

{                                      \
    int _i;                            \
    float* _x = (x);                   \
    float* _y = (y);                   \
                                       \
    for( _i = 0; _i < n; _i++ )        \
    {                                  \
        double t0 = _x[_i];            \
        double t1 = _y[_i];            \
        _x[_i] = (float)(t0*c + t1*s); \
        _y[_i] = (float)(-t0*s + t1*c);\
    }                                  \
}

#define icvGivens_64f	(		n,
			x,
			y,
			c,
			s
	)

Value:

{                                      \
    int _i;                            \
    double* _x = (x);                  \
    double* _y = (y);                  \
                                       \
    for( _i = 0; _i < n; _i++ )        \
    {                                  \
        double t0 = _x[_i];            \
        double t1 = _y[_i];            \
        _x[_i] = t0*c + t1*s;          \
        _y[_i] = -t0*s + t1*c;         \
    }                                  \
}

#define MAX_ITERS   30

Function Documentation

CV_IMPL void cvSVBkSb	(	const CvArr *	warr,
		const CvArr *	uarr,
		const CvArr *	varr,
		const CvArr *	barr,
		CvArr *	xarr,
		int	flags
	)

CV_IMPL void cvSVD	(	CvArr *	aarr,
		CvArr *	warr,
		CvArr *	uarr,
		CvArr *	varr,
		int	flags
	)