#include <math.h>
#include <grass/gis.h>
#include <grass/gmath.h>
Go to the source code of this file.
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int | G_ludcmp (double **a, int n, int *indx, double *d) |
| LU decomposition. More...
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void | G_lubksb (double **a, int n, int *indx, double b[]) |
| LU backward substitution. More...
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◆ TINY
Definition at line 5 of file lu.c.
◆ G_lubksb()
void G_lubksb |
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double ** |
a, |
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int |
n, |
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int * |
indx, |
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double |
b[] |
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LU backward substitution.
- Parameters
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a | double ** |
n | int |
indx | int * |
b | double [] |
- Returns
- void
Definition at line 103 of file lu.c.
◆ G_ludcmp()
int G_ludcmp |
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double ** |
a, |
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int |
n, |
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int * |
indx, |
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double * |
d |
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) |
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LU decomposition.
- Parameters
-
a | double ** |
n | int |
indx | int * |
d | double * |
- Returns
- 0 on singular matrix, 1 on success
Definition at line 17 of file lu.c.