From d08b3d106b46f143060eacaae8f5166ebab1f334 Mon Sep 17 00:00:00 2001
From: artemp <artem@mapnik.org>
Date: Wed, 20 Jan 2016 11:21:04 +0100
Subject: [PATCH] c++11 - use std::abs
 (http://en.cppreference.com/w/cpp/numeric/math/fabs)

---
 include/mapnik/function_call.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/mapnik/function_call.hpp b/include/mapnik/function_call.hpp
index efbaa5f28..666cea91e 100644
--- a/include/mapnik/function_call.hpp
+++ b/include/mapnik/function_call.hpp
@@ -91,7 +91,7 @@ struct abs_impl
 {
     value_type operator() (value_type const& val) const
     {
-        return std::fabs(val.to_double());
+        return std::abs(val.to_double());
     }
 };