Print the solution

src/test-gradient-method-helper.hh

@@ -21,7 +21,8 @@ double functionTester(Dune::SampleFunctional<dim> J,
   double const original = J(start);
   Dune::minimise(J, start, runs, bisection);
   double const final = J(start);
-  std::cout << boost::format("%8g -> %e") % original % final << std::endl;
+  std::cout << boost::format("%8g -> %e (%e)") % original % final % start
+            << std::endl;
   return final;
 }