From 67e3cdfa76f072e52d76b6535587adccda310f4e Mon Sep 17 00:00:00 2001
From: Paolo Bosetti <paolo.bosetti@unitn.it>
Date: Fri, 27 Nov 2015 10:54:03 +0100
Subject: Implemented round(double) function within mruby-time gem, for it is
 missing on VisualStudio compilers where _MSC_ver < 1800

---
 mrbgems/mruby-time/src/time.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'mrbgems/mruby-time/src/time.c')

diff --git a/mrbgems/mruby-time/src/time.c b/mrbgems/mruby-time/src/time.c
index 2a4347b7c..b9746b79e 100644
--- a/mrbgems/mruby-time/src/time.c
+++ b/mrbgems/mruby-time/src/time.c
@@ -11,6 +11,16 @@
 #include <mruby/class.h>
 #include <mruby/data.h>
 
+#if _MSC_VER < 1800
+double round(double x) {
+  if (x >= 0.0) {
+    return (double)((int)(x + 0.5));
+  } else {
+    return (double)((int)(x - 0.5));
+  }
+}
+#endif
+
 #if !defined(__MINGW64__) && defined(_WIN32)
 # define llround(x) round(x)
 #endif
-- 
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