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c_intr.c
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#include <grass/gis.h>
#include <grass/raster.h>
#include <grass/stats.h>
void c_intr(DCELL *result, DCELL *values, int n, const void *closure G_UNUSED)
{
DCELL center;
int count;
int diff;
int i;
if (Rast_is_d_null_value(&values[n / 2])) {
Rast_set_d_null_value(result, 1);
return;
}
center = values[n / 2];
count = 0;
diff = 0;
for (i = 0; i < n; i++) {
if (Rast_is_d_null_value(&values[i]))
continue;
count++;
if (values[i] != center)
diff++;
}
count--;
if (count <= 0)
*result = 0;
else
*result = (diff * 100.0 + (count / 2)) / count + 1;
}
c_intr
void c_intr(DCELL *result, DCELL *values, int n, const void *closure)
Definition c_intr.c:5
count
int count