From b16e6725d7067397a0a3a5b4531882d63cdfa3dd Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Sat, 12 Nov 2016 18:09:05 +0200
Subject: [PATCH] Added missing #include to fix build with GCC/Clang

---
 src/r_poly_intersection.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/r_poly_intersection.h b/src/r_poly_intersection.h
index 16f30201c..48ebef031 100644
--- a/src/r_poly_intersection.h
+++ b/src/r_poly_intersection.h
@@ -24,6 +24,7 @@
 
 #include "r_triangle.h"
 #include <algorithm>
+#include <cmath>
 
 class Vec4f
 {