From 764dbefe0e8befe76e462bb28da5c0e2a5ca2d6b Mon Sep 17 00:00:00 2001
From: otya128 <otya128@users.noreply.github.com>
Date: Sat, 3 Sep 2016 17:41:51 +0900
Subject: [PATCH] =?UTF-8?q?SQR=E3=81=AE=E5=BC=95=E6=95=B0=E3=81=8C?=
 =?UTF-8?q?=E8=B2=A0=E3=81=AE=E5=A0=B4=E5=90=88=E3=82=A8=E3=83=A9=E3=83=BC?=
 =?UTF-8?q?=E3=82=92=E5=87=BA=E3=81=99=E3=82=88=E3=81=86=E3=81=AB=E3=81=97?=
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---
 SMILEBASIC/builtinfunctions.d | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/SMILEBASIC/builtinfunctions.d b/SMILEBASIC/builtinfunctions.d
index cf7496a..1f3596c 100644
--- a/SMILEBASIC/builtinfunctions.d
+++ b/SMILEBASIC/builtinfunctions.d
@@ -1248,8 +1248,12 @@ class BuiltinFunction
     {
         return a1 ^^ a2;
     }
-    static pure nothrow double SQR(double a1)
+    static double SQR(double a1)
     {
+        if (a1 < 0)
+        {
+            throw new OutOfRange();
+        }
         return sqrt(a1);
     }
     //GalateaTalk利用面倒くさい...