From 008fb2932d3cbd6b41d4b3b07adf209213b6f9ba Mon Sep 17 00:00:00 2001
From: David Wells <wellsd2@rpi.edu>
Date: Sun, 20 Aug 2017 15:40:26 -0400
Subject: [PATCH] Fix compilation with GSL.

As of 2d311f0f48 the conversion constructor from Tensor to SymmetricTensor is
explicit.
---
 source/base/function_cspline.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/base/function_cspline.cc b/source/base/function_cspline.cc
index fc4c10f22f..92f1015bf6 100644
--- a/source/base/function_cspline.cc
+++ b/source/base/function_cspline.cc
@@ -127,7 +127,7 @@ namespace Functions
   CSpline<dim>::hessian (const Point<dim>   &p,
                          const unsigned int) const
   {
-    Tensor<2,dim> res;
+    SymmetricTensor<2,dim> res;
     res[0][0] = laplacian(p);
     return res;
   }
-- 
2.39.5