From 6a2897db25844d1bbcc8dc59bf88328e342cb5a9 Mon Sep 17 00:00:00 2001
From: Adeel Ahmad <adeelahmad14@hotmail.com>
Date: Mon, 28 May 2018 12:28:14 +0500
Subject: [PATCH] [formulas][util] Add missing import and function return type

---
 include/boost/geometry/formulas/karney_direct.hpp | 1 +
 include/boost/geometry/util/series_expansion.hpp  | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/boost/geometry/formulas/karney_direct.hpp b/include/boost/geometry/formulas/karney_direct.hpp
index 38460fb1e..8e81cf459 100644
--- a/include/boost/geometry/formulas/karney_direct.hpp
+++ b/include/boost/geometry/formulas/karney_direct.hpp
@@ -11,6 +11,7 @@
 
 
 #include <boost/math/constants/constants.hpp>
+#include <boost/math/special_functions/hypot.hpp>
 
 #include <boost/geometry/util/math.hpp>
 #include <boost/geometry/util/series_expansion.hpp>
diff --git a/include/boost/geometry/util/series_expansion.hpp b/include/boost/geometry/util/series_expansion.hpp
index cca43284c..f7e4595da 100644
--- a/include/boost/geometry/util/series_expansion.hpp
+++ b/include/boost/geometry/util/series_expansion.hpp
@@ -538,7 +538,7 @@ namespace boost { namespace geometry { namespace series_expansion {
                s/eps(CT(2))/eps2/g;'
     */
     template <typename CT, std::size_t SeriesOrder>
-    static inline evaluate_coeffs_C1p(CT eps, CT c[])
+    static inline void evaluate_coeffs_C1p(CT eps, CT c[])
     {
         CT const eps2 = math::sqr(eps);
         CT d = eps;