From 4fe194208df017320575ad6b161a73e6f44b6e07 Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <eighthave@users.sourceforge.net>
Date: Tue, 20 Nov 2012 18:50:53 +0000
Subject: if M_PI is not defined on any platform, define it

svn path=/trunk/externals/sigpack/; revision=16565
---
 freqshift~.c | 6 +++++-
 wavewrap~.c  | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/freqshift~.c b/freqshift~.c
index fe99884..c97c183 100644
--- a/freqshift~.c
+++ b/freqshift~.c
@@ -5,10 +5,14 @@
 
 #include "m_pd.h"
 #include <math.h>
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
 #ifdef _MSC_VER
 #pragma warning( disable : 4244 )
 #pragma warning( disable : 4305 )
-#define M_PI 3.14159265358979323846
 #endif
 
 /* ------------------------ freqshift~ ----------------------------- */
diff --git a/wavewrap~.c b/wavewrap~.c
index 36fde56..7ae7abe 100644
--- a/wavewrap~.c
+++ b/wavewrap~.c
@@ -6,11 +6,15 @@
 
 #include "m_pd.h"
 #include <math.h>
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
 #ifdef _MSC_VER
 #pragma warning( disable : 4244 )
 #pragma warning( disable : 4305 )
 #endif
-#define M_PI 3.14159265358979323846
 
 // ------------------------ wavewrap~ ----------------------------- 
 // sinus wavewrapper. produces an unusual distortion effect
-- 
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