1 files changed, 23 insertions, 0 deletions
diff --git a/sys/vops/lz/asqrl.x b/sys/vops/lz/asqrl.x
new file mode 100644
index 00000000..3b0d23f0
--- /dev/null
+++ b/sys/vops/lz/asqrl.x
@@ -0,0 +1,23 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+# ASQR -- Compute the square root of a vector (generic).  If the square root
+# is undefined (x < 0) a user supplied function is called to compute the value.
+
+procedure asqrl (a, b, npix, errfcn)
+
+long	a[ARB], b[ARB]
+int	npix, i
+extern	errfcn()
+long	errfcn()
+errchk	errfcn
+
+begin
+	do i = 1, npix {
+		if (a[i] < 0)
+		    b[i] = errfcn (a[i])
+		else
+		{
+			b[i] = sqrt (double (a[i]))
+		}
+	}
+end