GRASS GIS 8 Programmer's Manual
8.2.2dev(2023)-3d2c704037
c_divr.c
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#include <
grass/gis.h
>
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#include <
grass/stats.h
>
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void
c_divr
(
DCELL
* result,
DCELL
* values,
int
n,
const
void
*closure)
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{
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int
count
;
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DCELL
prev;
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int
i;
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/* sort the array of values, then count differences */
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n =
sort_cell
(values, n);
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if
(n == 0) {
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*result = 0;
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return
;
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}
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count = 1;
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prev = values[0];
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for
(i = 0; i < n; i++)
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if
(values[i] != prev) {
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prev = values[i];
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count++;
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}
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*result = (
DCELL
) count;
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}
sort_cell
int sort_cell(DCELL *, int)
Definition:
sort_cell.c:28
c_divr
void c_divr(DCELL *result, DCELL *values, int n, const void *closure)
Definition:
c_divr.c:4
DCELL
double DCELL
Definition:
gis.h:614
count
int count
stats.h
gis.h
lib
stats
c_divr.c
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