Mat.c File Reference

#include <Core/Math/Mat.h>
#include <stdio.h>

Macros
#define	Abs(x)   ((x)<0?-(x):(x))
#define	Max(x, y)   ((x)<(y)?(y):(x))
#define	SWITCH_ROWS(m, r1, r2)
#define	SUB_ROWS(m, r1, r2, mul)

Functions
void	min_norm_least_sq_3 (double *A[3], double *b, double *x, double *bprime, int size)
void	matsolve3by3 (double mat[3][3], double rhs[3])
void	matsolve3by3_cond (double mat[3][3], double rhs[3], double *rcond)

Macro Definition Documentation

#define Abs

(

x

)

((x)<0?-(x):(x))

#define Max	(		x,
			y
	)		((x)<(y)?(y):(x))

#define SUB_ROWS	(		m,
			r1,
			r2,
			mul
	)

Value:

for(k=0;k<3;k++){ \
        m[r1][k] -= m[r2][k]*mul; \
    }

#define SWITCH_ROWS	(		m,
			r1,
			r2
	)

Value:

for(k=0;k<3;k++){ \
        double tmp=m[r1][k]; \
        m[r1][k]=m[r2][k]; \
        m[r2][k]=tmp; \
    }

Function Documentation

void matsolve3by3	(	double	mat[3][3],
		double	rhs[3]
	)

void matsolve3by3_cond	(	double	mat[3][3],
		double	rhs[3],
		double *	rcond
	)

void min_norm_least_sq_3	(	double *	A[3],
		double *	b,
		double *	x,
		double *	bprime,
		int	size
	)