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authorJoe Hunkeler <jhunkeler@gmail.com>2015-08-11 16:51:37 -0400
committerJoe Hunkeler <jhunkeler@gmail.com>2015-08-11 16:51:37 -0400
commit40e5a5811c6ffce9b0974e93cdd927cbcf60c157 (patch)
tree4464880c571602d54f6ae114729bf62a89518057 /sys/vops/lz/aselki.x
downloadiraf-osx-40e5a5811c6ffce9b0974e93cdd927cbcf60c157.tar.gz
Repatch (from linux) of OSX IRAF
Diffstat (limited to 'sys/vops/lz/aselki.x')
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+# ASELK -- Vector/constant select element. The output vector is formed by
+# taking successive pixels from either of the input vector or a constant, based
+# on the value of the integer (boolean) selection vectors. Used to implement
+# vector conditional expressions.
+
+procedure aselki (a, b, c, sel, npix)
+
+int a[ARB], b, c[ARB]
+int sel[ARB] # IF sel[i] THEN a[i] ELSE b
+int npix
+int i
+
+begin
+ do i = 1, npix
+ if (sel[i] != 0)
+ c[i] = a[i]
+ else
+ c[i] = b
+end