GRASS Programmer's Manual
6.4.2(2012)
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c_min.c
Go to the documentation of this file.
1
#include <grass/gis.h>
2
3
void
c_min
(DCELL * result, DCELL * values,
int
n,
const
void
*closure)
4
{
5
DCELL
min
;
6
int
i;
7
8
G_set_d_null_value
(&min, 1);
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10
for
(i = 0; i < n; i++) {
11
if
(
G_is_d_null_value
(&values[i]))
12
continue
;
13
14
if
(
G_is_d_null_value
(&min) || min > values[i])
15
min = values[i];
16
}
17
18
if
(
G_is_d_null_value
(&min))
19
G_set_d_null_value
(result, 1);
20
else
21
*result =
min
;
22
}
23
24
void
w_min
(DCELL * result, DCELL(*values)[2],
int
n,
const
void
*closure)
25
{
26
DCELL
min
;
27
int
i;
28
29
G_set_d_null_value
(&min, 1);
30
31
for
(i = 0; i < n; i++) {
32
if
(
G_is_d_null_value
(&values[i][0]))
33
continue
;
34
35
if
(
G_is_d_null_value
(&min) || min > values[i][0])
36
min = values[i][0];
37
}
38
39
if
(
G_is_d_null_value
(&min))
40
G_set_d_null_value
(result, 1);
41
else
42
*result =
min
;
43
}
lib
stats
c_min.c
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