Bugfix: 'hesse' is a symmetric matrix, so no all entries can actually be accessed by operator()

dune/gfe/localgeodesicfefunction.hh

@@ -490,7 +490,7 @@ evaluateDerivativeOfGradientWRTCoefficient(const Dune::FieldVector<ctype, dim>&
     for (size_t k=0; k<coefficients_.size(); k++) {
         Dune::SymmetricMatrix<RT,embeddedDim> hesse = TargetSpace::secondDerivativeOfDistanceSquaredWRTSecondArgument(coefficients_[k], q);
         for (int i=0; i<embeddedDim; i++)
-            for (int j=0; j<embeddedDim; j++)
+            for (int j=0; j<i; j++)
                 dqdwF(i, j, k) = dqdwF(j, i, k) = hesse(i,j);
 
     }