date and time created 83/01/21 11:18:20 by dlw

SCCS-vsn: usr.bin/f77/libF77/r_sign.c 1.1

diff --git a/usr/src/usr.bin/f77/libF77/r_sign.c b/usr/src/usr.bin/f77/libF77/r_sign.c
new file mode 100644 (file)
index 0000000..c8d723f
--- /dev/null
+++ b/usr/src/usr.bin/f77/libF77/r_sign.c
@@ -0,0 +1,11 @@
+/*
+ *     "@(#)r_sign.c   1.1"
+ */
+
+double r_sign(a,b)
+float *a, *b;
+{
+float x;
+x = (*a >= 0 ? *a : - *a);
+return( *b >= 0 ? x : -x);
+}