3#include <grass/raster.h>
11int f_isnull(
int argc,
const int *argt,
void **args)
21 if (argt[0] != CELL_TYPE)
30 res[i] = IS_NULL_C(&arg1[i]) ? 1 : 0;
35 FCELL *arg1 = args[1];
38 res[i] = IS_NULL_F(&arg1[i]) ? 1 : 0;
43 DCELL *arg1 = args[1];
46 res[i] = IS_NULL_D(&arg1[i]) ? 1 : 0;
int f_isnull(int argc, const int *argt, void **args)
int c_isnull(int argc, int *argt)