fixed error

mpp @ 7d3a3a71

-Subproject commit 81460ecc3efc4af97a8c05935f02f9abc14d4ed0
+Subproject commit 7d3a3a710f7cae9f738accca6da7a6f5fb7cb2b1

src/elasticity/problem/BeamProblems.hpp

@@ -141,7 +141,7 @@ public:
 
   Tensor DeformationGradient(double time, const Point &x) const override;
 
-  VectorField Load(double time, const Point &z, const cell &c) const {
+  VectorField Load(double time, const Point &z, const Cell &c) const override {
     return VectorField(-16.0, -16.0, -16.0);
   }
 };
@@ -173,7 +173,7 @@ public:
 
   Tensor DeformationGradient(double time, const Point &x) const override;
 
-  VectorField Load(double time, const Point &z, const cell &c) const {
+  VectorField Load(double time, const Point &z, const Cell &c) const override{
     return VectorField(-(24 * z[0] + 24 * z[0]),-(24 * z[1] + 24 * z[1]),-(24 * z[2] + 24 * z[2]));
   }
 };

test/elasticity/TestLinearBeamProblem.cpp

@@ -8,7 +8,7 @@
 #include "TestConfigurations.hpp"
 
 constexpr double DIRICHLET_TEST_TOLERANCE = 1e-6;
-constexpr double TOLERANCE = 1e-11;
+constexpr double TOLERANCE = 1e-10;
 
 struct TestDirichletParameter {
   std::string discretization;