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 find_all_intersections(), and inverse().

#define N   DIM_matrix

Definition at line 8 of file inverse.c.

Referenced by inverse(), isnull(), RTreeAddBranch(), RTreeInitNode(), RTreeNodeCover(), RTreePickBranch(), RTreeSearch(), and Vect_point_in_box().

#define ZERO   1.0e-8

Definition at line 121 of file inverse.c.

Referenced by isnull().

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Function Documentation

int inverse

(

double

m[N][N]

)

Definition at line 17 of file inverse.c.

References EPSILON, isnull(), and N.

Referenced by compute_transformation_coef().

int isnull

(

double

a[N][N]

)

Definition at line 127 of file inverse.c.

References N, and ZERO.

Referenced by inverse().