GRASS GIS 8 Programmer's Manual 8.4.1(2025)-45ca3179ab
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c_max.c
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1#include <grass/gis.h>
2#include <grass/raster.h>
3
4void c_max(DCELL *result, DCELL *values, int n, const void *closure UNUSED)
5{
6 DCELL max;
7 int i;
8
9 Rast_set_d_null_value(&max, 1);
10
11 for (i = 0; i < n; i++) {
12 if (Rast_is_d_null_value(&values[i]))
13 continue;
14
15 if (Rast_is_d_null_value(&max) || max < values[i])
16 max = values[i];
17 }
18
19 if (Rast_is_d_null_value(&max))
20 Rast_set_d_null_value(result, 1);
21 else
22 *result = max;
23}
24
25void w_max(DCELL *result, DCELL (*values)[2], int n, const void *closure UNUSED)
26{
27 DCELL max;
28 int i;
29
30 Rast_set_d_null_value(&max, 1);
31
32 for (i = 0; i < n; i++) {
33 if (Rast_is_d_null_value(&values[i][0]))
34 continue;
35
36 if (Rast_is_d_null_value(&max) || max < values[i][0])
37 max = values[i][0];
38 }
39
40 if (Rast_is_d_null_value(&max))
41 Rast_set_d_null_value(result, 1);
42 else
43 *result = max;
44}
void c_max(DCELL *result, DCELL *values, int n, const void *closure UNUSED)
Definition c_max.c:4
void w_max(DCELL *result, DCELL(*values)[2], int n, const void *closure UNUSED)
Definition c_max.c:25
#define max(a, b)