From 3d751c114fe4611a5b72e160127be09cf6c6cfec Mon Sep 17 00:00:00 2001
From: Xavier Leroy <xavier.leroy@inria.fr>
Date: Fri, 17 Apr 2015 16:29:06 +0200
Subject: Define M_PI if not already there (it's not in <math.h> for strict ISO
 C99).

---
 test/raytracer/config.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'test/raytracer')

diff --git a/test/raytracer/config.h b/test/raytracer/config.h
index 49361dc5..009c125e 100644
--- a/test/raytracer/config.h
+++ b/test/raytracer/config.h
@@ -5,6 +5,10 @@
 #include <stdlib.h>
 #include <string.h>
 
+#ifndef M_PI
+# define M_PI 3.14159265358979323846
+#endif
+
 #ifdef SINGLE_PRECISION
 typedef float flt;
 #else
-- 
cgit