c_count.c

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#include <grass/gis.h>
#include <grass/raster.h>
 
void c_count(DCELL *result, DCELL *values, int n, const void *closure UNUSED)
{
    int count;
    int i;
 
    count = 0;
 
    for (i = 0; i < n; i++)
        if (!Rast_is_d_null_value(&values[i]))
            count++;
 
    *result = count;
}
 
void w_count(DCELL *result, DCELL (*values)[2], int n,
             const void *closure UNUSED)
{
    DCELL count;
    int i;
 
    count = 0.0;
 
    for (i = 0; i < n; i++)
        if (!Rast_is_d_null_value(&values[i][0]))
            count += values[i][1];
 
    *result = count;
}