From 963521e0040ba228656700100cb48e7dc06ab47d Mon Sep 17 00:00:00 2001
From: Sven Strickroth <email@cs-ware.de>
Date: Wed, 1 Apr 2015 18:43:33 +0200
Subject: [PATCH] Use PI constant from math.h

Based on TortoiseSVN rev. #26416.

Signed-off-by: Sven Strickroth <email@cs-ware.de>
---
 src/Utils/MiscUI/MyGraph.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/Utils/MiscUI/MyGraph.cpp b/src/Utils/MiscUI/MyGraph.cpp
index 2da194e44..9dda53f26 100644
--- a/src/Utils/MiscUI/MyGraph.cpp
+++ b/src/Utils/MiscUI/MyGraph.cpp
@@ -5,6 +5,8 @@
 #include "BufferDC.h"
 
 #include <cmath>
+#define _USE_MATH_DEFINES
+#include <math.h>   // for M_PI
 #include <memory>
 
 #ifdef _DEBUG
@@ -49,7 +51,9 @@ static char THIS_FILE[] = __FILE__;
 #define LEGEND_DIVISOR							 8			// Scale font to graph height.
 #define Y_AXIS_LABEL_DIVISOR					 6			// Scale font to graph height.
 
-const double PI = 3.1415926535897932384626433832795;
+#ifndef M_PI
+const double M_PI = 3.1415926535897932384626433832795;
+#endif
 
 /////////////////////////////////////////////////////////////////////////////
 // MyGraphSeries
@@ -1578,7 +1582,7 @@ CPoint MyGraph::WedgeEndFromDegrees(double degrees, const CPoint& ptCenter,
 
 	CPoint pt;
 
-	double radians = degrees / 360.0 * PI * 2.0;
+	double radians = degrees / 360.0 * M_PI * 2.0;
 
 	pt.x = (int) (radius * cos(radians));
 	pt.x = ptCenter.x - pt.x;
-- 
2.11.4.GIT