4 #include <grass/raster.h>
5 #include <grass/stats.h>
7 void c_stddev(DCELL * result, DCELL * values,
int n,
const void *closure)
11 c_var(&var, values, n, closure);
13 if (Rast_is_d_null_value(&var))
14 Rast_set_d_null_value(result, 1);
19 void w_stddev(DCELL * result, DCELL(*values)[2],
int n,
const void *closure)
23 w_var(&var, values, n, closure);
25 if (Rast_is_d_null_value(&var))
26 Rast_set_d_null_value(result, 1);