GRASS GIS 8 Programmer's Manual 8.3.2(2024)-exported
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c_divr.c
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1#include <grass/gis.h>
2#include <grass/stats.h>
3
4void c_divr(DCELL *result, DCELL *values, int n, const void *closure UNUSED)
5{
6 int count;
7 DCELL prev;
8 int i;
9
10 /* sort the array of values, then count differences */
11
12 n = sort_cell(values, n);
13
14 if (n == 0) {
15 *result = 0;
16 return;
17 }
18
19 count = 1;
20 prev = values[0];
21
22 for (i = 0; i < n; i++)
23 if (values[i] != prev) {
24 prev = values[i];
25 count++;
26 }
27
28 *result = (DCELL)count;
29}
void c_divr(DCELL *result, DCELL *values, int n, const void *closure UNUSED)
Definition c_divr.c:4
int count
int sort_cell(DCELL *array, int n)
Definition sort_cell.c:27