blob: f8f43b7755f3863f0c81f948c117ad4fa1e43930 (
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
|
# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
# ABGEK -- Vector boolean greater than or equals constant. C[i], type INT,
# is set to 1 if A[i] is greater than or equal to B, else C[i] is set to zero.
procedure abgekx (a, b, c, npix)
complex a[ARB]
complex b
int c[ARB]
int npix
int i
real abs_b
begin
# The case b==0 is perhaps worth optimizing. On many machines this
# will save a memory fetch.
if (b == (0.0,0.0)) {
call amovki (1, c, npix)
} else {
abs_b = abs (b)
do i = 1, npix
if (abs (a[i]) >= abs_b)
c[i] = 1
else
c[i] = 0
}
end
|