From: Sam Leffler <sam@ucbvax.Berkeley.EDU>
Date: Tue, 28 Jun 1983 05:26:22 +0000 (-0800)
Subject: date and time created 83/06/27 14:26:22 by sam
X-Git-Tag: BSD-4_2-Snapshot-Development~1235
X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/commitdiff_plain/fcbb3402d30fc3d6e4a13942893b602a2ca02b29

date and time created 83/06/27 14:26:22 by sam

SCCS-vsn: lib/libplot/vt0/subr.c 4.1
---

diff --git a/usr/src/lib/libplot/vt0/subr.c b/usr/src/lib/libplot/vt0/subr.c
new file mode 100644
index 0000000000..37b6eaa11f
--- /dev/null
+++ b/usr/src/lib/libplot/vt0/subr.c
@@ -0,0 +1,20 @@
+#ifndef lint
+static char sccsid[] = "@(#)subr.c	4.1 (Berkeley) %G%";
+#endif
+
+extern float obotx;
+extern float oboty;
+extern float boty;
+extern float botx;
+extern float scalex;
+extern float scaley;
+xsc(xi){
+	int xa;
+	xa = (xi-obotx)*scalex+botx;
+	return(xa);
+}
+ysc(yi){
+	int ya;
+	ya = (yi-oboty)*scaley+boty;
+	return(ya);
+}