GRASS GIS 8 Programmer's Manual 8.4.1(2025)-45ca3179ab
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#include <math.h>
#include <grass/gis.h>
#include <grass/gmath.h>
Go to the source code of this file.
Macros | |
#define | TINY 1.0e-20; |
Functions | |
int | G_ludcmp (double **a, int n, int *indx, double *d) |
LU decomposition. | |
void | G_lubksb (double **a, int n, int *indx, double b[]) |
LU backward substitution. | |
void G_lubksb | ( | double ** | a, |
int | n, | ||
int * | indx, | ||
double | b[] ) |
LU backward substitution.
a | double ** |
n | int |
indx | int * |
b | double [] |
Definition at line 103 of file lu.c.
References b.
Referenced by IL_interp_segments_2d(), IL_interp_segments_2d_parallel(), and IL_resample_interp_segments_2d().
int G_ludcmp | ( | double ** | a, |
int | n, | ||
int * | indx, | ||
double * | d ) |
LU decomposition.
a | double ** |
n | int |
indx | int * |
d | double * |
Definition at line 17 of file lu.c.
References FALSE, G_alloc_vector(), G_free_vector(), TINY, and TRUE.
Referenced by IL_matrix_create_alloc().