From: Guido Kanschat <dr.guido.kanschat@gmail.com>
Date: Fri, 3 Jul 2015 07:27:24 +0000 (+0200)
Subject: fix more powers
X-Git-Tag: v8.3.0-rc1~66^2~1
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=568b64b56ba1f9f54cf26d26efafa83ac12748ae;p=dealii.git

fix more powers
compiling on Mac with clang 5.0.0 (3.3) again
---

diff --git a/include/deal.II/numerics/vector_tools.templates.h b/include/deal.II/numerics/vector_tools.templates.h
index 56c7a5025f..3995bea746 100644
--- a/include/deal.II/numerics/vector_tools.templates.h
+++ b/include/deal.II/numerics/vector_tools.templates.h
@@ -6246,8 +6246,9 @@ namespace VectorTools
             {
               double sum = 0;
               for (unsigned int k=0; k<n_components; ++k)
-                sum += std::pow(data.psi_values[q](k)*data.psi_values[q](k),
-                                exponent/2.) * data.weight_vectors[q](k);
+                sum += std::pow(
+                         static_cast<double>(data.psi_values[q](k)*data.psi_values[q](k)),
+                         exponent/2.) * data.weight_vectors[q](k);
               diff += sum * fe_values.JxW(q);
             }
 
@@ -6298,8 +6299,9 @@ namespace VectorTools
             {
               double sum = 0;
               for (unsigned int k=0; k<n_components; ++k)
-                sum += std::pow(data.psi_grads[q][k]*data.psi_grads[q][k],
-                                exponent/2.) * data.weight_vectors[q](k);
+                sum += std::pow(
+                         static_cast<double>(data.psi_grads[q][k]*data.psi_grads[q][k]),
+                         exponent/2.) * data.weight_vectors[q](k);
               diff += sum * fe_values.JxW(q);
             }
           diff = std::pow(diff, 1./exponent);