From 40e5a5811c6ffce9b0974e93cdd927cbcf60c157 Mon Sep 17 00:00:00 2001
From: Joe Hunkeler <jhunkeler@gmail.com>
Date: Tue, 11 Aug 2015 16:51:37 -0400
Subject: Repatch (from linux) of OSX IRAF

---
 sys/vops/ak/abltkx.x | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 sys/vops/ak/abltkx.x

(limited to 'sys/vops/ak/abltkx.x')

diff --git a/sys/vops/ak/abltkx.x b/sys/vops/ak/abltkx.x
new file mode 100644
index 00000000..04527b7f
--- /dev/null
+++ b/sys/vops/ak/abltkx.x
@@ -0,0 +1,29 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+# ABLTK -- Vector boolean less than constant.  C[i], type INT, is set to 1 if
+# A[i] is less than B, else C[i] is set to zero.
+
+procedure abltkx (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 aclri (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
-- 
cgit