aboutsummaryrefslogtreecommitdiff
path: root/sys/vops/altm.gx
diff options
context:
space:
mode:
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/altm.gx
downloadiraf-osx-40e5a5811c6ffce9b0974e93cdd927cbcf60c157.tar.gz
Repatch (from linux) of OSX IRAF
Diffstat (limited to 'sys/vops/altm.gx')
-rw-r--r--sys/vops/altm.gx19
1 files changed, 19 insertions, 0 deletions
diff --git a/sys/vops/altm.gx b/sys/vops/altm.gx
new file mode 100644
index 00000000..d0f00f94
--- /dev/null
+++ b/sys/vops/altm.gx
@@ -0,0 +1,19 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+# ALTM -- Linearly map a vector into another vector of the same datatype.
+# b[i] = (a[i] * k1) + k2
+
+procedure altm$t (a, b, npix, k1, k2)
+
+PIXEL a[ARB], b[ARB]
+$if (datatype == ld)
+double k1, k2
+$else
+real k1, k2
+$endif
+int npix, i
+
+begin
+ do i = 1, npix
+ b[i] = (a[i] * k1) + k2
+end