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C++ InArgs::get_beta方法代码示例

本文整理汇总了C++中thyra::modelevaluatorbase::InArgs::get_beta方法的典型用法代码示例。如果您正苦于以下问题：C++ InArgs::get_beta方法的具体用法？C++ InArgs::get_beta怎么用？C++ InArgs::get_beta使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类thyra::modelevaluatorbase::InArgs的用法示例。


在下文中一共展示了InArgs::get_beta方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: Timer

void
Albany::ModelEvaluatorT::evalModelImpl(
    const Thyra::ModelEvaluatorBase::InArgs<ST>& inArgsT,
    const Thyra::ModelEvaluatorBase::OutArgs<ST>& outArgsT) const
{

  #ifdef OUTPUT_TO_SCREEN
    std::cout << "DEBUG: " << __PRETTY_FUNCTION__ << "\n";
  #endif

  Teuchos::TimeMonitor Timer(*timer); //start timer
  //
  // Get the input arguments
  //
  const Teuchos::RCP<const Tpetra_Vector> xT =
    ConverterT::getConstTpetraVector(inArgsT.get_x());

  const Teuchos::RCP<const Tpetra_Vector> x_dotT =
    (supports_xdot && Teuchos::nonnull(inArgsT.get_x_dot())) ?
    ConverterT::getConstTpetraVector(inArgsT.get_x_dot()) :
    Teuchos::null;


  const Teuchos::RCP<const Tpetra_Vector> x_dotdotT =
    (supports_xdotdot && Teuchos::nonnull(this->get_x_dotdot())) ?
    ConverterT::getConstTpetraVector(this->get_x_dotdot()) :
    Teuchos::null;

  const double alpha = (Teuchos::nonnull(x_dotT) || Teuchos::nonnull(x_dotdotT)) ? inArgsT.get_alpha() : 0.0;
  const double omega = Teuchos::nonnull(x_dotdotT) ? this->get_omega() : 0.0;
  const double beta = (Teuchos::nonnull(x_dotT) || Teuchos::nonnull(x_dotdotT)) ? inArgsT.get_beta() : 1.0;
  const double curr_time = (Teuchos::nonnull(x_dotT) || Teuchos::nonnull(x_dotdotT)) ? inArgsT.get_t() : 0.0;

  for (int l = 0; l < inArgsT.Np(); ++l) {
    const Teuchos::RCP<const Thyra::VectorBase<ST> > p = inArgsT.get_p(l);
    if (Teuchos::nonnull(p)) {
      const Teuchos::RCP<const Tpetra_Vector> pT = ConverterT::getConstTpetraVector(p);
      const Teuchos::ArrayRCP<const ST> pT_constView = pT->get1dView();

      ParamVec &sacado_param_vector = sacado_param_vec[l];
      for (unsigned int k = 0; k < sacado_param_vector.size(); ++k) {
        sacado_param_vector[k].baseValue = pT_constView[k];
      }
    }
  }

  //
  // Get the output arguments
  //
  const Teuchos::RCP<Tpetra_Vector> fT_out =
    Teuchos::nonnull(outArgsT.get_f()) ?
    ConverterT::getTpetraVector(outArgsT.get_f()) :
    Teuchos::null;

  const Teuchos::RCP<Tpetra_Operator> W_op_outT =
    Teuchos::nonnull(outArgsT.get_W_op()) ?
    ConverterT::getTpetraOperator(outArgsT.get_W_op()) :
    Teuchos::null;

#ifdef WRITE_MASS_MATRIX_TO_MM_FILE
  //IK, 4/24/15: adding object to hold mass matrix to be written to matrix market file
  const Teuchos::RCP<Tpetra_Operator> Mass =
    Teuchos::nonnull(outArgsT.get_W_op()) ?
    ConverterT::getTpetraOperator(outArgsT.get_W_op()) :
    Teuchos::null;
  //IK, 4/24/15: needed for writing mass matrix out to matrix market file
  const Teuchos::RCP<Tpetra_Vector> ftmp =
    Teuchos::nonnull(outArgsT.get_f()) ?
    ConverterT::getTpetraVector(outArgsT.get_f()) :
    Teuchos::null;
#endif

  // Cast W to a CrsMatrix, throw an exception if this fails
  const Teuchos::RCP<Tpetra_CrsMatrix> W_op_out_crsT =
    Teuchos::nonnull(W_op_outT) ?
    Teuchos::rcp_dynamic_cast<Tpetra_CrsMatrix>(W_op_outT, true) :
    Teuchos::null;

#ifdef WRITE_MASS_MATRIX_TO_MM_FILE
  //IK, 4/24/15: adding object to hold mass matrix to be written to matrix market file
  const Teuchos::RCP<Tpetra_CrsMatrix> Mass_crs =
    Teuchos::nonnull(Mass) ?
    Teuchos::rcp_dynamic_cast<Tpetra_CrsMatrix>(Mass, true) :
    Teuchos::null;
#endif

  //
  // Compute the functions
  //
  bool f_already_computed = false;

  // W matrix
  if (Teuchos::nonnull(W_op_out_crsT)) {
    app->computeGlobalJacobianT(
        alpha, beta, omega, curr_time, x_dotT.get(), x_dotdotT.get(),  *xT,
        sacado_param_vec, fT_out.get(), *W_op_out_crsT);
    f_already_computed = true;
#ifdef WRITE_MASS_MATRIX_TO_MM_FILE
    //IK, 4/24/15: write mass matrix to matrix market file
    //Warning: to read this in to MATLAB correctly, code must be run in serial.
//.........这里部分代码省略.........
开发者ID:SailingFM，项目名称:Albany，代码行数:101，代码来源:Albany_ModelEvaluatorT.cpp

示例2: Timer

void
Albany::ModelEvaluatorT::evalModelImpl(
    const Thyra::ModelEvaluatorBase::InArgs<ST>& inArgsT,
    const Thyra::ModelEvaluatorBase::OutArgs<ST>& outArgsT) const
{

  Teuchos::TimeMonitor Timer(*timer); //start timer
  //
  // Get the input arguments
  //
  const Teuchos::RCP<const Tpetra_Vector> xT =
    ConverterT::getConstTpetraVector(inArgsT.get_x());

  const Teuchos::RCP<const Tpetra_Vector> x_dotT =
    Teuchos::nonnull(inArgsT.get_x_dot()) ?
    ConverterT::getConstTpetraVector(inArgsT.get_x_dot()) :
    Teuchos::null;

  // AGS: x_dotdot time integrators not imlemented in Thyra ME yet
  //const Teuchos::RCP<const Tpetra_Vector> x_dotdotT =
  //  Teuchos::nonnull(inArgsT.get_x_dotdot()) ?
  //  ConverterT::getConstTpetraVector(inArgsT.get_x_dotdot()) :
  //  Teuchos::null;
  const Teuchos::RCP<const Tpetra_Vector> x_dotdotT = Teuchos::null;


  const double alpha = (Teuchos::nonnull(x_dotT) || Teuchos::nonnull(x_dotdotT)) ? inArgsT.get_alpha() : 0.0;
  // AGS: x_dotdot time integrators not imlemented in Thyra ME yet
  // const double omega = (Teuchos::nonnull(x_dotT) || Teuchos::nonnull(x_dotdotT)) ? inArgsT.get_omega() : 0.0;
  const double omega = 0.0;
  const double beta = (Teuchos::nonnull(x_dotT) || Teuchos::nonnull(x_dotdotT)) ? inArgsT.get_beta() : 1.0;
  const double curr_time = (Teuchos::nonnull(x_dotT) || Teuchos::nonnull(x_dotdotT)) ? inArgsT.get_t() : 0.0;

  for (int l = 0; l < inArgsT.Np(); ++l) {
    const Teuchos::RCP<const Thyra::VectorBase<ST> > p = inArgsT.get_p(l);
    if (Teuchos::nonnull(p)) {
      const Teuchos::RCP<const Tpetra_Vector> pT = ConverterT::getConstTpetraVector(p);
      const Teuchos::ArrayRCP<const ST> pT_constView = pT->get1dView();

      ParamVec &sacado_param_vector = sacado_param_vec[l];
      for (unsigned int k = 0; k < sacado_param_vector.size(); ++k) {
        sacado_param_vector[k].baseValue = pT_constView[k];
      }
    }
  }

  //
  // Get the output arguments
  //
  const Teuchos::RCP<Tpetra_Vector> fT_out =
    Teuchos::nonnull(outArgsT.get_f()) ?
    ConverterT::getTpetraVector(outArgsT.get_f()) :
    Teuchos::null;

  const Teuchos::RCP<Tpetra_Operator> W_op_outT =
    Teuchos::nonnull(outArgsT.get_W_op()) ?
    ConverterT::getTpetraOperator(outArgsT.get_W_op()) :
    Teuchos::null;

  // Cast W to a CrsMatrix, throw an exception if this fails
  const Teuchos::RCP<Tpetra_CrsMatrix> W_op_out_crsT =
    Teuchos::nonnull(W_op_outT) ?
    Teuchos::rcp_dynamic_cast<Tpetra_CrsMatrix>(W_op_outT, true) :
    Teuchos::null;

  //
  // Compute the functions
  //
  bool f_already_computed = false;

  // W matrix
  if (Teuchos::nonnull(W_op_out_crsT)) {
    app->computeGlobalJacobianT(
        alpha, beta, omega, curr_time, x_dotT.get(), x_dotdotT.get(),  *xT,
        sacado_param_vec, fT_out.get(), *W_op_out_crsT);
    f_already_computed = true;
  }

  // df/dp
  for (int l = 0; l < outArgsT.Np(); ++l) {
    const Teuchos::RCP<Thyra::MultiVectorBase<ST> > dfdp_out =
      outArgsT.get_DfDp(l).getMultiVector();

    const Teuchos::RCP<Tpetra_MultiVector> dfdp_outT =
      Teuchos::nonnull(dfdp_out) ?
      ConverterT::getTpetraMultiVector(dfdp_out) :
      Teuchos::null;

    if (Teuchos::nonnull(dfdp_outT)) {
      const Teuchos::RCP<ParamVec> p_vec = Teuchos::rcpFromRef(sacado_param_vec[l]);

      app->computeGlobalTangentT(
          0.0, 0.0, 0.0, curr_time, false, x_dotT.get(), x_dotdotT.get(), *xT,
          sacado_param_vec, p_vec.get(),
          NULL, NULL, NULL, NULL, fT_out.get(), NULL,
          dfdp_outT.get());

      f_already_computed = true;
    }
  }
//.........这里部分代码省略.........
开发者ID:csamples，项目名称:Albany，代码行数:101，代码来源:Albany_ModelEvaluatorT.cpp

示例3: Timer

// hide the original parental method AMET->evalModelImpl():
void
Aeras::HVDecorator::evalModelImpl(
    const Thyra::ModelEvaluatorBase::InArgs<ST>& inArgsT,
    const Thyra::ModelEvaluatorBase::OutArgs<ST>& outArgsT) const
{
#ifdef OUTPUT_TO_SCREEN
  std::cout << "DEBUG WHICH HVDecorator: " << __PRETTY_FUNCTION__ << "\n";
#endif
	
  Teuchos::TimeMonitor Timer(*timer); //start timer

  //
  // Get the input arguments
  //
  // Thyra vectors
  const Teuchos::RCP<const Thyra_Vector> x = inArgsT.get_x();
  const Teuchos::RCP<const Thyra_Vector> x_dot =
      (supports_xdot ? inArgsT.get_x_dot() : Teuchos::null);
  const Teuchos::RCP<const Thyra_Vector> x_dotdot =
      (supports_xdotdot ? inArgsT.get_x_dot_dot() : Teuchos::null);

  const double alpha = (Teuchos::nonnull(x_dot) || Teuchos::nonnull(x_dotdot)) ? inArgsT.get_alpha() : 0.0;
  // AGS: x_dotdot time integrators not imlemented in Thyra ME yet
  // const double omega = (Teuchos::nonnull(x_dot) || Teuchos::nonnull(x_dotdot)) ? inArgsT.get_omega() : 0.0;
  const double omega = 0.0;
  const double beta = (Teuchos::nonnull(x_dot) || Teuchos::nonnull(x_dotdot)) ? inArgsT.get_beta() : 1.0;
  const double curr_time = (Teuchos::nonnull(x_dot) || Teuchos::nonnull(x_dotdot)) ? inArgsT.get_t() : 0.0;

  for (int l = 0; l < inArgsT.Np(); ++l) {
    const Teuchos::RCP<const Thyra_Vector> p = inArgsT.get_p(l);
    if (Teuchos::nonnull(p)) {
      const Teuchos::RCP<const Tpetra_Vector> pT = Albany::getConstTpetraVector(p);
      const Teuchos::ArrayRCP<const ST> pT_constView = pT->get1dView();

      ParamVec &sacado_param_vector = sacado_param_vec[l];
      for (unsigned int k = 0; k < sacado_param_vector.size(); ++k) {
        sacado_param_vector[k].baseValue = pT_constView[k];
      }
    }
  }

  //
  // Get the output arguments
  //
  auto f    = outArgsT.get_f();
  auto W_op = outArgsT.get_W_op();

  //
  // Compute the functions
  //
  bool f_already_computed = false;

  // W matrix
  if (Teuchos::nonnull(W_op)) {
    app->computeGlobalJacobian(
        alpha, beta, omega, curr_time, x, x_dot, x_dotdot,
        sacado_param_vec, f, W_op);
    f_already_computed = true;
  }

  // df/dp
  for (int l = 0; l < outArgsT.Np(); ++l) {
    const Teuchos::RCP<Thyra_MultiVector> df_dp = outArgsT.get_DfDp(l).getMultiVector();

    if (Teuchos::nonnull(df_dp)) {
      const Teuchos::RCP<ParamVec> p_vec = Teuchos::rcpFromRef(sacado_param_vec[l]);

      app->computeGlobalTangent(
          0.0, 0.0, 0.0, curr_time, false, x, x_dot, x_dotdot,
          sacado_param_vec, p_vec.get(),
          Teuchos::null, Teuchos::null, Teuchos::null, Teuchos::null,
          f, Teuchos::null, df_dp);

      f_already_computed = true;
    }
  }

  // f
  if (app->is_adjoint) {
    const Thyra_Derivative f_deriv(f, Thyra::ModelEvaluatorBase::DERIV_TRANS_MV_BY_ROW);
    const Thyra_Derivative dummy_deriv;

    const int response_index = 0; // need to add capability for sending this in
    app->evaluateResponseDerivative(
        response_index, curr_time, x, x_dot, x_dotdot,
        sacado_param_vec, NULL,
        Teuchos::null, f_deriv, dummy_deriv, dummy_deriv, dummy_deriv);
  } else {
    if (Teuchos::nonnull(f) && !f_already_computed) {
      app->computeGlobalResidual(
          curr_time, x, x_dot, x_dotdot,
          sacado_param_vec, f);
    }
  }

  //compute xtilde 
  applyLinvML(x, xtilde); 

#ifdef WRITE_TO_MATRIX_MARKET_TO_MM_FILE
//.........这里部分代码省略.........
开发者ID:gahansen，项目名称:Albany，代码行数:101，代码来源:Aeras_HVDecorator.cpp

示例4: Timer

// hide the original parental method AMET->evalModelImpl():
void
Aeras::HVDecorator::evalModelImpl(
    const Thyra::ModelEvaluatorBase::InArgs<ST>& inArgsT,
    const Thyra::ModelEvaluatorBase::OutArgs<ST>& outArgsT) const
{

  std::cout << "DEBUG WHICH HVDecorator: " << __PRETTY_FUNCTION__ << "\n";
	
  Teuchos::TimeMonitor Timer(*timer); //start timer
  //
  // Get the input arguments
  //
  const Teuchos::RCP<const Tpetra_Vector> xT =
    ConverterT::getConstTpetraVector(inArgsT.get_x());

  const Teuchos::RCP<const Tpetra_Vector> x_dotT =
    Teuchos::nonnull(inArgsT.get_x_dot()) ?
    ConverterT::getConstTpetraVector(inArgsT.get_x_dot()) :
    Teuchos::null;

  // AGS: x_dotdot time integrators not imlemented in Thyra ME yet
  //const Teuchos::RCP<const Tpetra_Vector> x_dotdotT =
  //  Teuchos::nonnull(inArgsT.get_x_dotdot()) ?
  //  ConverterT::getConstTpetraVector(inArgsT.get_x_dotdot()) :
  //  Teuchos::null;
  const Teuchos::RCP<const Tpetra_Vector> x_dotdotT = Teuchos::null;


  const double alpha = (Teuchos::nonnull(x_dotT) || Teuchos::nonnull(x_dotdotT)) ? inArgsT.get_alpha() : 0.0;
  // AGS: x_dotdot time integrators not imlemented in Thyra ME yet
  // const double omega = (Teuchos::nonnull(x_dotT) || Teuchos::nonnull(x_dotdotT)) ? inArgsT.get_omega() : 0.0;
  const double omega = 0.0;
  const double beta = (Teuchos::nonnull(x_dotT) || Teuchos::nonnull(x_dotdotT)) ? inArgsT.get_beta() : 1.0;
  const double curr_time = (Teuchos::nonnull(x_dotT) || Teuchos::nonnull(x_dotdotT)) ? inArgsT.get_t() : 0.0;

  for (int l = 0; l < inArgsT.Np(); ++l) {
    const Teuchos::RCP<const Thyra::VectorBase<ST> > p = inArgsT.get_p(l);
    if (Teuchos::nonnull(p)) {
      const Teuchos::RCP<const Tpetra_Vector> pT = ConverterT::getConstTpetraVector(p);
      const Teuchos::ArrayRCP<const ST> pT_constView = pT->get1dView();

      ParamVec &sacado_param_vector = sacado_param_vec[l];
      for (unsigned int k = 0; k < sacado_param_vector.size(); ++k) {
        sacado_param_vector[k].baseValue = pT_constView[k];
      }
    }
  }

  //
  // Get the output arguments
  //
  const Teuchos::RCP<Tpetra_Vector> fT_out =
    Teuchos::nonnull(outArgsT.get_f()) ?
    ConverterT::getTpetraVector(outArgsT.get_f()) :
    Teuchos::null;

  const Teuchos::RCP<Tpetra_Operator> W_op_outT =
    Teuchos::nonnull(outArgsT.get_W_op()) ?
    ConverterT::getTpetraOperator(outArgsT.get_W_op()) :
    Teuchos::null;

#ifdef WRITE_MASS_MATRIX_TO_MM_FILE
  //IK, 4/24/15: adding object to hold mass matrix to be written to matrix market file
  const Teuchos::RCP<Tpetra_Operator> Mass =
    Teuchos::nonnull(outArgsT.get_W_op()) ?
    ConverterT::getTpetraOperator(outArgsT.get_W_op()) :
    Teuchos::null;
  //IK, 4/24/15: needed for writing mass matrix out to matrix market file
  const Teuchos::RCP<Tpetra_Vector> ftmp =
    Teuchos::nonnull(outArgsT.get_f()) ?
    ConverterT::getTpetraVector(outArgsT.get_f()) :
    Teuchos::null;
#endif

  // Cast W to a CrsMatrix, throw an exception if this fails
  const Teuchos::RCP<Tpetra_CrsMatrix> W_op_out_crsT =
    Teuchos::nonnull(W_op_outT) ?
    Teuchos::rcp_dynamic_cast<Tpetra_CrsMatrix>(W_op_outT, true) :
    Teuchos::null;

#ifdef WRITE_MASS_MATRIX_TO_MM_FILE
  //IK, 4/24/15: adding object to hold mass matrix to be written to matrix market file
  const Teuchos::RCP<Tpetra_CrsMatrix> Mass_crs =
    Teuchos::nonnull(Mass) ?
    Teuchos::rcp_dynamic_cast<Tpetra_CrsMatrix>(Mass, true) :
    Teuchos::null;
#endif

  //
  // Compute the functions
  //
  bool f_already_computed = false;

  // W matrix
  if (Teuchos::nonnull(W_op_out_crsT)) {
    app->computeGlobalJacobianT(
        alpha, beta, omega, curr_time, x_dotT.get(), x_dotdotT.get(),  *xT,
        sacado_param_vec, fT_out.get(), *W_op_out_crsT);
    f_already_computed = true;
//.........这里部分代码省略.........
开发者ID:arashafshar，项目名称:Albany，代码行数:101，代码来源:Aeras_HVDecorator.cpp

示例5: 


//.........这里部分代码省略.........
  TEUCHOS_TEST_FOR_EXCEPTION(
      &X == Y.get(),
      std::logic_error,
      "X and Y arguments are both aliases of " << X.description());

  if (alpha == Teuchos::ScalarTraits<Scalar>::zero()) {
    // Y <- beta * Y
    Thyra::Vt_S(Y, beta);
    return;
  }

  typedef typename Teuchos::ScalarTraits<Scalar>::magnitudeType ScalarMagnitude;

  RCP<const Thyra::VectorBase<Scalar> > x_dot_base;
  if (basePoint_.supports(Thyra::ModelEvaluatorBase::IN_ARG_x_dot)) 
    x_dot_base = basePoint_.get_x_dot();

  RCP<const Thyra::VectorBase<Scalar> > x_base = basePoint_.get_x();
  if (Teuchos::is_null(x_base)) {
    x_base = model_->getNominalValues().get_x();
  }
  x_base.assert_not_null();

  const ScalarMagnitude norm_x_base = Thyra::norm_2(*x_base);

  // Number of columns common to both vectors X and Y
  // (X and Y have compatible row spaces)
  const Thyra::Ordinal colCount = X.domain()->dim();
  for (Teuchos::Ordinal j = Teuchos::Ordinal(); j < colCount; ++j) {
    const RCP<const Thyra::VectorBase<Scalar> > X_vec = X.col(j);
    const RCP<Thyra::VectorBase<Scalar> > Y_vec = Y->col(j);

    const ScalarMagnitude norm_dx = Thyra::norm_2(*X_vec);

    if (norm_dx == Teuchos::ScalarTraits<ScalarMagnitude>::zero()) {
      if (beta == Teuchos::ScalarTraits<Scalar>::zero()) {
        // Y_vec <- 0
        Thyra::put_scalar(Teuchos::ScalarTraits<ScalarMagnitude>::zero(), Y_vec.ptr());
      } else {
        // Y_vec <- beta * Y_vec
        Thyra::scale(beta, Y_vec.ptr());
      }
    } else {
      // Scalar perturbation
      const ScalarMagnitude relative_pert_ratio = static_cast<ScalarMagnitude>(lambda_);
      const ScalarMagnitude eta = (relative_pert_ratio * ((norm_x_base / norm_dx) + relative_pert_ratio));

      // Compute perturbed residual
      // Dynamic: f_pert <- f(x_dot_base + eta * (W_alpha * X), x_base + eta * (W_beta * X))
      // Static: f_pert <- f(x_base + eta * X)
      const RCP<Thyra::VectorBase<Scalar> > f_pert = Thyra::createMember(this->range());
      {
        Thyra::ModelEvaluatorBase::InArgs<Scalar> pertInArgs = model_->createInArgs();
        {
          pertInArgs.setArgs(basePoint_);

          const bool isDynamic = Teuchos::nonnull(x_dot_base);

          if (isDynamic) {
            const RCP<Thyra::VectorBase<Scalar> > x_dot_pert = Thyra::createMember(this->domain());
            const Scalar W_alpha = pertInArgs.get_alpha();
            Thyra::V_VpStV<Scalar>(x_dot_pert.ptr(), *x_dot_base, W_alpha * eta, *X_vec);
            pertInArgs.set_x_dot(x_dot_pert);
          }

          const RCP<Thyra::VectorBase<Scalar> > x_pert = Thyra::createMember(this->domain());
          const Scalar W_beta = isDynamic ? pertInArgs.get_beta() : Teuchos::ScalarTraits<Scalar>::one();
          Thyra::V_VpStV<Scalar>(x_pert.ptr(), *x_base, W_beta * eta, *X_vec);
          pertInArgs.set_x(x_pert);
        }

        Thyra::ModelEvaluatorBase::OutArgs<Scalar> pertOutArgs = model_->createOutArgs();
        {
          pertOutArgs.set_f(f_pert);
        }

        model_->evalModel(pertInArgs, pertOutArgs);
      }

      // Y <- alpha * (1/eta) * (f_pert - f_base) + beta * Y
      const Scalar alpha_over_eta = alpha / eta;

      if (beta == Teuchos::ScalarTraits<Scalar>::zero()) {
        // Y <- alpha * (1/eta) * (f_pert - f_base)
        Thyra::V_StVpStV<Scalar>(Y_vec.ptr(), alpha_over_eta, *f_pert, -alpha_over_eta, *f_base_);
      } else {
        // Aliasing f_pert and alpha_op_X (f_pert == alpha_op_X)
        const RCP<Thyra::VectorBase<Scalar> > alpha_op_X = f_pert;

        // alpha_op_X <- alpha * (1/eta) * (f_pert - f_base)
        Thyra::Vp_StV(alpha_op_X.ptr(), -Teuchos::ScalarTraits<Scalar>::one(), *f_base_);
        const Scalar alpha_over_eta = alpha / eta;
        Thyra::Vt_S(alpha_op_X.ptr(), alpha_over_eta);

        // Y <- alpha_op_X + beta * Y
        Thyra::Vp_V<Scalar>(Y_vec.ptr(), *alpha_op_X, beta);
      }
    }
  }
}
开发者ID:trilinos，项目名称:Trilinos，代码行数:101，代码来源:Piro_MatrixFreeLinearOp_Def.hpp

示例6: evalModelImpl

  virtual
  void evalModelImpl(
      const Thyra::ModelEvaluatorBase::InArgs<double> &in_args,
      const Thyra::ModelEvaluatorBase::OutArgs<double> &out_args
      ) const
  {
    const double alpha = in_args.get_alpha();
    double beta = in_args.get_beta();

    // From packages/piro/test/MockModelEval_A.cpp
    if (alpha == 0.0 && beta == 0.0) {
      // beta = 1.0;
    }
#ifndef NDEBUG
    TEUCHOS_ASSERT_EQUALITY(alpha, 0.0);
    TEUCHOS_ASSERT_EQUALITY(beta,  1.0);
#endif

    const auto & x_in = in_args.get_x();
#ifndef NDEBUG
    TEUCHOS_ASSERT(!x_in.is_null());
#endif
    // create corresponding tpetra vector
    auto x_in_tpetra =
      Thyra::TpetraOperatorVectorExtraction<double,int,int>::getConstTpetraVector(
          x_in
          );

    // Dissect in_args.get_p(0) into parameter sublists.
    const auto & p_in = in_args.get_p(0);
#ifndef NDEBUG
    TEUCHOS_ASSERT(!p_in.is_null());
#endif

#ifndef NDEBUG
    // Make sure the parameters aren't NaNs.
    for (int k = 0; k < p_in->space()->dim(); k++) {
      TEUCHOS_ASSERT(!std::isnan(Thyra::get_ele(*p_in, k)));
    }
#endif

    // Fill the parameters into a std::map.
    const auto param_names = this->get_p_names(0);
    std::map<std::string, double> params;
    for (int k = 0; k < p_in->space()->dim(); k++) {
      params[(*param_names)[k]] = Thyra::get_ele(*p_in, k);
    }

    // compute F
    const auto & f_out = out_args.get_f();
    if (!f_out.is_null()) {

      auto f_out_tpetra =
        Thyra::TpetraOperatorVectorExtraction<double,int,int>::getTpetraVector(
            f_out
            );
      this->f_->set_parameters(params, {});
      this->f_->apply(
          *x_in_tpetra,
          *f_out_tpetra
          );
    }

    // Compute df/dp.
    const auto & derivMv = out_args.get_DfDp(0).getDerivativeMultiVector();
    const auto & dfdp_out = derivMv.getMultiVector();
    if (!dfdp_out.is_null()) {
      auto dfdp_out_tpetra =
        Thyra::TpetraOperatorVectorExtraction<double,int,int>::getTpetraMultiVector(
            dfdp_out
            );

      const int numAllParams = this->get_p_space(0)->dim();
      TEUCHOS_ASSERT_EQUALITY(
          numAllParams,
          dfdp_out_tpetra->getNumVectors()
          );
      // Compute all derivatives.
      this->dfdp_->set_parameters(params, {});
      for (int k = 0; k < numAllParams; k++) {
        this->dfdp_->apply(
            *x_in_tpetra,
            *dfdp_out_tpetra->getVectorNonConst(k)
            );
      }
    }

    // Fill Jacobian.
    const auto & W_out = out_args.get_W_op();
    if(!W_out.is_null()) {
      auto W_outT =
        Thyra::TpetraOperatorVectorExtraction<double,int,int>::getTpetraOperator(
            W_out
            );
      const auto & jac =
        Teuchos::rcp_dynamic_cast<nosh::fvm_operator>(W_outT, true);
      std::shared_ptr<const Tpetra::Vector<double,int,int>> x_std =
        Teuchos::get_shared_ptr(x_in_tpetra);
      jac->set_parameters(params, {{"u0", x_std}});
    }
//.........这里部分代码省略.........
开发者ID:nschloe，项目名称:nosh，代码行数:101，代码来源:model.hpp


注：本文中的thyra::modelevaluatorbase::InArgs::get_beta方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。