inverse.c File Reference

#include <math.h>
#include <grass/libtrans.h>

Include dependency graph for inverse.c:

Go to the source code of this file.

Defines

#define EPSILON   1.0e-16
#define N   DIM_matrix
#define ZERO   1.0e-8

Functions

int inverse (double m[N][N])
int isnull (double a[N][N])


Define Documentation

#define EPSILON   1.0e-16

Definition at line 5 of file inverse.c.

Referenced by inverse().

#define N   DIM_matrix

Definition at line 8 of file inverse.c.

Referenced by RTreeNodeCover(), and Vect_point_in_box().

#define ZERO   1.0e-8

Definition at line 131 of file inverse.c.


Function Documentation

int inverse ( double  m[N][N]  ) 

Definition at line 17 of file inverse.c.

References EPSILON, and isnull().

Referenced by compute_transformation_coef().

int isnull ( double  a[N][N]  ) 

Definition at line 137 of file inverse.c.

References ZERO.

Referenced by inverse().


Generated on Sun Apr 6 17:32:49 2008 for GRASS by  doxygen 1.5.5