message: Add BR2 method to ex14
diff: @@ -50,6 +50,7 @@ int main(int argc, char *argv[])
  int order = 1;
  double sigma = -1.0;
  double kappa = -1.0;
  + double eta = 1.0;
  bool visualization = 1;
  OptionsParser args(argc, argv);
  @@ -68,6 +69,7 @@ int main(int argc, char *argv[])
  args.AddOption(&kappa, "-k", "--kappa",
  "One of the two DG penalty parameters, should be positive."
  " Negative values are replaced with (order+1)^2.");
  + args.AddOption(&eta, "-e", "--eta", "BR2 penalty parameter.");
  args.AddOption(&visualization, "-vis", "--visualization", "-no-vis",
  "--no-visualization",
  "Enable or disable GLVis visualization.");
  @@ -162,6 +164,8 @@ int main(int argc, char *argv[])
  a->AddDomainIntegrator(new DiffusionIntegrator(one));
  a->AddInteriorFaceIntegrator(new DGDiffusionIntegrator(one, sigma, kappa));
  a->AddBdrFaceIntegrator(new DGDiffusionIntegrator(one, sigma, kappa));
  + a->AddInteriorFaceIntegrator(new DGDiffusionBR2Integrator(fespace, eta));
  + a->AddBdrFaceIntegrator(new DGDiffusionBR2Integrator(fespace, eta));
  a->Assemble();
  a->Finalize();
  