SVD.inl File Reference

#include <stdio.h>
#include <memory.h>
#include <malloc.h>
#include <math.h>

Go to the source code of this file.

Macros
#define	MIN(A, B)   (((A)<(B)) ? (A):(B))
#define	MAX(A, B)   (((A)>(B)) ? (A):(B))
#define	ALLOC2D(m, n)   (REAL *) malloc((unsigned)(m)*(n)*sizeof(REAL))
#define	ALLOC1D(n)   (REAL *) malloc((unsigned)(n)*sizeof(REAL))
#define	FREE(p)   free((char*)(p))
#define	CLEAR2D(a, m, n)   (void) memset((char*)(a),0,(m)*(n)*sizeof(REAL))
#define	COPY2D(d, m, n, s)   (void) memcpy((char*)(d),(char*)(s),(int)((m)*(n)*sizeof(REAL)))
#define	REF2D(a, m, n, i, j)   (a[(n)*(i)+(j)])

Functions
template<class REAL >
REAL	fhypot (REAL a, REAL b)
template<class REAL >
void	householder_zero_col (REAL *a, REAL *u, int i, int j, int m, int n, REAL *hv)
template<class REAL >
void	householder_zero_row (REAL *a, REAL *v, int i, int j, int m, int n, REAL *hv)
template<class REAL >
void	rotate_cols (int i, int j, REAL cos, REAL sin, REAL *a, int start, int n, int mm, int nn)
template<class REAL >
void	rotate_rows (int i, int j, REAL cos, REAL sin, REAL *a, int start, int n, int mm, int nn)
template<class REAL >
void	clr_top_supdiag_elt (REAL *b, int p, int z, REAL *u, int m, int n, int min)
template<class REAL >
void	clr_bot_supdiag_elt (REAL *b, int p, int z, REAL *v, int m, int n, int min)
template<class REAL >
void	clr_top_subdiag_elt (REAL *b, int p, int z, REAL *u, REAL *v, int m, int n, int min)
template<class REAL >
void	golub_kahn_svd_rot (REAL *b, int p, int q, REAL *v, int m, int n, int min)
template<class REAL >
void	bidiagonalize (const REAL *a, int m, int n, REAL *u, REAL *b, REAL *v)
template<class REAL >
void	bidiagonal_svd (REAL *b, int m, int n, REAL *u, REAL *v)
template<class REAL >
void	num_svd (const REAL *a, int m, int n, REAL *u, REAL *w, REAL *vt)
template<class REAL >
void	num_svd_backsubst (int m, int n, const REAL *u, const REAL *w, const REAL *vt, const REAL b[], REAL x[], REAL eps)

Macro Definition Documentation

ALLOC1D

#define ALLOC1D

(

n

)

(REAL *) malloc((unsigned)(n)*sizeof(REAL))

ALLOC2D

#define ALLOC2D	(		m,
			n )   (REAL *) malloc((unsigned)(m)*(n)*sizeof(REAL))

CLEAR2D

#define CLEAR2D	(		a,
			m,
			n )   (void) memset((char*)(a),0,(m)*(n)*sizeof(REAL))

COPY2D

#define COPY2D	(		d,
			m,
			n,
			s )   (void) memcpy((char*)(d),(char*)(s),(int)((m)*(n)*sizeof(REAL)))

FREE

#define FREE

(

p

)

free((char*)(p))

MAX

#define MAX	(		A,
			B )   (((A)>(B)) ? (A):(B))

MIN

#define MIN	(		A,
			B )   (((A)<(B)) ? (A):(B))

REF2D

#define REF2D	(		a,
			m,
			n,
			i,
			j )   (a[(n)*(i)+(j)])

Function Documentation

bidiagonal_svd()

template<class REAL >

void bidiagonal_svd	(	REAL *	b,
		int	m,
		int	n,
		REAL *	u,
		REAL *	v )

if (iter>=30)

bidiagonalize()

template<class REAL >

void bidiagonalize	(	const REAL *	a,
		int	m,
		int	n,
		REAL *	u,
		REAL *	b,
		REAL *	v )

clr_bot_supdiag_elt()

template<class REAL >

void clr_bot_supdiag_elt	(	REAL *	b,
		int	p,
		int	z,
		REAL *	v,
		int	m,
		int	n,
		int	min )

clr_top_subdiag_elt()

template<class REAL >

void clr_top_subdiag_elt	(	REAL *	b,
		int	p,
		int	z,
		REAL *	u,
		REAL *	v,
		int	m,
		int	n,
		int	min )

clr_top_supdiag_elt()

template<class REAL >

void clr_top_supdiag_elt	(	REAL *	b,
		int	p,
		int	z,
		REAL *	u,
		int	m,
		int	n,
		int	min )

fhypot()

template<class REAL >

REAL fhypot	(	REAL	a,
		REAL	b )

golub_kahn_svd_rot()

template<class REAL >

void golub_kahn_svd_rot	(	REAL *	b,
		int	p,
		int	q,
		REAL *	v,
		int	m,
		int	n,
		int	min )

householder_zero_col()

template<class REAL >

void householder_zero_col	(	REAL *	a,
		REAL *	u,
		int	i,
		int	j,
		int	m,
		int	n,
		REAL *	hv )

householder_zero_row()

template<class REAL >

void householder_zero_row	(	REAL *	a,
		REAL *	v,
		int	i,
		int	j,
		int	m,
		int	n,
		REAL *	hv )

num_svd()

template<class REAL >

void num_svd	(	const REAL *	a,
		int	m,
		int	n,
		REAL *	u,
		REAL *	w,
		REAL *	vt )

num_svd_backsubst()

template<class REAL >

void num_svd_backsubst	(	int	m,
		int	n,
		const REAL *	u,
		const REAL *	w,
		const REAL *	vt,
		const REAL	b[],
		REAL	x[],
		REAL	eps )

rotate_cols()

template<class REAL >

void rotate_cols	(	int	i,
		int	j,
		REAL	cos,
		REAL	sin,
		REAL *	a,
		int	start,
		int	n,
		int	mm,
		int	nn )

rotate_rows()

template<class REAL >

void rotate_rows	(	int	i,
		int	j,
		REAL	cos,
		REAL	sin,
		REAL *	a,
		int	start,
		int	n,
		int	mm,
		int	nn )