From 25894bd009d50ec8a490877d514c39f67ac11e24 Mon Sep 17 00:00:00 2001
From: otya128 <otya128@users.noreply.github.com>
Date: Sat, 3 Sep 2016 19:03:56 +0900
Subject: [PATCH] =?UTF-8?q?FLOOR,ROUND,CEIL=E3=82=92=E3=82=88=E3=82=8A?=
 =?UTF-8?q?=E5=BF=A0=E5=AE=9F=E3=81=AA=E6=8C=99=E5=8B=95=E3=81=AB=E3=81=97?=
 =?UTF-8?q?=E3=81=9F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 SMILEBASIC/builtinfunctions.d | 27 +++++++++++++++++++++------
 1 file changed, 21 insertions(+), 6 deletions(-)

diff --git a/SMILEBASIC/builtinfunctions.d b/SMILEBASIC/builtinfunctions.d
index d69cc85..556229c 100644
--- a/SMILEBASIC/builtinfunctions.d
+++ b/SMILEBASIC/builtinfunctions.d
@@ -804,17 +804,32 @@ class BuiltinFunction
         else
             return 0;
     }
-    static nothrow double FLOOR(double val)
+    static Value FLOOR(Value val)
     {
-        return val.floor;
+        if (val.isInteger)
+        {
+            return val;
+        }
+
+        return Value(val.doubleValue.floor);
     }
-    static nothrow double ROUND(double val)
+    static Value ROUND(Value val)
     {
-        return val.round;
+        if (val.isInteger)
+        {
+            return val;
+        }
+
+        return Value(val.doubleValue.round);
     }
-    static nothrow double CEIL(double val)
+    static Value CEIL(Value val)
     {
-        return val.ceil;
+        if (val.isInteger)
+        {
+            return val;
+        }
+
+        return Value(val.doubleValue.ceil);
     }
     static wstring MID(wstring str, int i, int len)
     {