5void c_intr(DCELL *result, DCELL *values,
int n,
const void *closure UNUSED)
12 if (Rast_is_d_null_value(&values[n / 2])) {
13 Rast_set_d_null_value(result, 1);
17 center = values[n / 2];
21 for (i = 0; i < n; i++) {
22 if (Rast_is_d_null_value(&values[i]))
26 if (values[i] != center)
35 *result = (diff * 100.0 + (
count / 2)) /
count + 1;