blob: f40f6dc10968eaa5334ec365ad399636a22cec7a (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
# AMED3 -- Median of three vectors. Each output point M[i] is the median value
# of the three input points A[i],B[i],C[i].
procedure amed3c (a, b, c, m, npix)
char a[ARB], b[ARB], c[ARB] # input vectors
char m[ARB] # output vector (median)
int npix
int i
begin
do i = 1, npix
if (a[i] < b[i]) {
if (b[i] < c[i]) # abc
m[i] = b[i]
else if (a[i] < c[i]) # acb
m[i] = c[i]
else # cab
m[i] = a[i]
} else {
if (b[i] > c[i]) # cba
m[i] = b[i]
else if (a[i] > c[i]) # bca
m[i] = c[i]
else # bac
m[i] = a[i]
}
end
|
