From c8db17301e29b227c69fda5d9bb49c0b1cbad03d Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Wed, 2 Nov 2016 08:51:52 -0700
Subject: Special functions require math.h: make sure it is included.

---
 unsupported/Eigen/SpecialFunctions | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'unsupported/Eigen/SpecialFunctions')

diff --git a/unsupported/Eigen/SpecialFunctions b/unsupported/Eigen/SpecialFunctions
index 7c7493c56..a2ad4925e 100644
--- a/unsupported/Eigen/SpecialFunctions
+++ b/unsupported/Eigen/SpecialFunctions
@@ -10,6 +10,8 @@
 #ifndef EIGEN_SPECIALFUNCTIONS_MODULE
 #define EIGEN_SPECIALFUNCTIONS_MODULE
 
+#include <math.h>
+
 #include "../../Eigen/Core"
 
 #include "../../Eigen/src/Core/util/DisableStupidWarnings.h"
-- 
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