# HG changeset patch
# User Daniele Nicolodi <daniele.nicolodi@obspm.fr>
# Date 1342630064 -7200
# Node ID 9d57d1fcbcd5e92ea6c36fbf9623dc76848dc7dd
# Parent  b2103439b40136e966c7464489cb0a4ec3e45315
Implementation of the C99 round() function

diff -r b2103439b401 -r 9d57d1fcbcd5 future.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/future.c	Wed Jul 18 18:47:44 2012 +0200
@@ -0,0 +1,20 @@
+/* welcome in the 2012 */
+
+/* required by CVI */
+#include <ansi_c.h>
+
+/* an implementation of the C99 `round` function based on `floor` and `ceil` */
+double round(double x)
+{
+	if (x >= 0.0) {
+		double y = floor(x);
+		if (x - y >= 0.5)
+			y += 1.0;
+		return y;
+	} else {
+		double y = ceil(x);
+		if (x - y >= 0.5)
+			y -= 1.0;
+		return y;
+	}
+}
diff -r b2103439b401 -r 9d57d1fcbcd5 future.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/future.h	Wed Jul 18 18:47:44 2012 +0200
@@ -0,0 +1,1 @@
+double round(double x);