Fix up test suite after change in SF::minimise()

src/test-gradient-method.cc

@@ -2,20 +2,29 @@
 #include "config.h"
 #endif
 
+#include <cassert>
+
 #include <dune/common/exceptions.hh>
 #include <dune/common/shared_ptr.hh>
 #include <dune/common/stdstreams.hh>
 
-#include <dune/tectonic/samplefunctional.hh>
+#include <dune/tnnmg/problem-classes/bisection.hh>
 
-#include <cassert>
+#include <dune/tectonic/samplefunctional.hh>
 
 template <int dim>
 double functionTester(Dune::SampleFunctional<dim> J,
                       typename Dune::SampleFunctional<dim>::SmallVector &start,
                       size_t runs) {
+  Bisection const bisection(
+      0.0,   // acceptError: Stop if the search interval has
+             //              become smaller than this number
+      1.0,   // acceptFactor: ?
+      1e-12, // requiredResidual: ?
+      true,  // fastQuadratic
+      0);    // safety: acceptance factor for inexact minimization
   std::cout << "Old value: J(...) = " << J(start) << std::endl;
-  Dune::minimise(J, start, runs);
+  Dune::minimise(J, start, runs, bisection);
   double const final = J(start);
   std::cout << "Final value J(...) = " << final << std::endl;
   return final;