Remove default arguments from SF::minimise()

dune/tectonic/samplefunctional.hh

@@ -132,16 +132,7 @@ template <int dim> class SampleFunctional {
 
 template <class Functional>
 void minimise(Functional const J, typename Functional::SmallVector &x,
-              size_t steps = 1,
-              Bisection const &bisection =
-                  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
-{
+              size_t steps, Bisection const &bisection) {
   typedef typename Functional::SmallVector SmallVector;
 
   for (size_t step = 0; step < steps; ++step) {