Esempi in C++ (Cpp) per evaluate_with_Hessian

Esempio n. 1

File: ObjectiveFunction.cpp Progetto: haripandey/trilinos

bool ObjectiveFunction::evaluate_with_Hessian_diagonal( EvalType type, 
                                        PatchData& pd,
                                        double& value_out,
                                        std::vector<Vector3D>& grad_out,
                                        std::vector<SymMatrix3D>& hess_diag_out,
                                        MsqError& err )
{
  MsqHessian hess;
  hess.initialize( pd, err ); MSQ_ERRZERO(err);
  bool val = evaluate_with_Hessian( type, pd, value_out, grad_out, hess, err );
  MSQ_ERRZERO(err);
  hess_diag_out.resize( hess.size() );
  for (size_t i = 0; i < hess.size(); ++i)
    hess_diag_out[i] = hess.get_block(i,i)->upper();
  return val;
}

Esempio n. 2

File: Mesquite_QualityMetric.cpp Progetto: bartlettroscoe/trilinos_old_public

bool QualityMetric::evaluate_with_Hessian_diagonal( PatchData& pd,
                                size_t handle,
                                double& value,
                                std::vector<size_t>& indices,
                                std::vector<Vector3D>& gradient,
                                std::vector<SymMatrix3D>& Hessian_diagonal,
                                MsqError& err )
{
  bool rval = evaluate_with_Hessian( pd, handle, value, indices, gradient, tmpHess, err );
  if (MSQ_CHKERR(err) || !rval)
    return rval;
  size_t s = indices.size();
  Hessian_diagonal.resize( s );
  std::vector<Matrix3D>::const_iterator h = tmpHess.begin();
  for (size_t i = 0; i < indices.size(); ++i) {
    Hessian_diagonal[i] = h->upper();
    h += s--;
  }
  return rval;
}