GRASS Programmer's Manual
6.4.3(2013)-r
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c_divr.c
Go to the documentation of this file.
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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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}
lib
stats
c_divr.c
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