aboutsummaryrefslogtreecommitdiff
path: root/sys/vops/ak/abgtki.x
diff options
context:
space:
mode:
Diffstat (limited to 'sys/vops/ak/abgtki.x')
-rw-r--r--sys/vops/ak/abgtki.x31
1 files changed, 31 insertions, 0 deletions
diff --git a/sys/vops/ak/abgtki.x b/sys/vops/ak/abgtki.x
new file mode 100644
index 00000000..17d67d74
--- /dev/null
+++ b/sys/vops/ak/abgtki.x
@@ -0,0 +1,31 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+# ABGTK -- Vector boolean greater than constant. C[i], type INT, is set to 1
+# if A[i] is greater than B, else C[i] is set to zero.
+
+procedure abgtki (a, b, c, npix)
+
+int a[ARB]
+int b
+int c[ARB]
+int npix
+int i
+
+begin
+ # The case b==0 is perhaps worth optimizing. On many machines this
+ # will save a memory fetch.
+
+ if (b == 0) {
+ do i = 1, npix
+ if (a[i] > 0)
+ c[i] = 1
+ else
+ c[i] = 0
+ } else {
+ do i = 1, npix
+ if (a[i] > b)
+ c[i] = 1
+ else
+ c[i] = 0
+ }
+end