void eval_model_explicit(
    const Thyra::ModelEvaluator<Scalar> &model,
    Thyra::ModelEvaluatorBase::InArgs<Scalar> &basePoint,
    const VectorBase<Scalar>& x_in,
    const typename Thyra::ModelEvaluatorBase::InArgs<Scalar>::ScalarMag &t_in,
    const Ptr<VectorBase<Scalar> >& f_out
    )
{
  typedef Thyra::ModelEvaluatorBase MEB;
  MEB::InArgs<Scalar> inArgs = model.createInArgs();
  MEB::OutArgs<Scalar> outArgs = model.createOutArgs();
  inArgs.setArgs(basePoint);
  inArgs.set_x(Teuchos::rcp(&x_in,false));
  if (inArgs.supports(MEB::IN_ARG_t)) {
    inArgs.set_t(t_in);
  }
  // For model evaluators whose state function f(x, x_dot, t) describes
  // an implicit ODE, and which accept an optional x_dot input argument,
  // make sure the latter is set to null in order to request the evaluation
  // of a state function corresponding to the explicit ODE formulation
  // x_dot = f(x, t)
  if (inArgs.supports(MEB::IN_ARG_x_dot)) {
    inArgs.set_x_dot(Teuchos::null);
  }
  outArgs.set_f(Teuchos::rcp(&*f_out,false));
  model.evalModel(inArgs,outArgs);
}
Ejemplo n.º 2
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RCP<Thyra::VectorBase<Scalar> > eval_f_t(
    const Thyra::ModelEvaluator<Scalar>& me,
    Scalar t
    ) {
  typedef Teuchos::ScalarTraits<Scalar> ST;
  typedef Thyra::ModelEvaluatorBase MEB;
  MEB::InArgs<Scalar> inArgs = me.createInArgs();
  inArgs.set_t(t);
  MEB::OutArgs<Scalar> outArgs = me.createOutArgs();
  RCP<Thyra::VectorBase<Scalar> > f_out = Thyra::createMember(me.get_f_space());
  V_S(outArg(*f_out),ST::zero());
  outArgs.set_f(f_out);
  me.evalModel(inArgs,outArgs);
  return f_out;
}
void eval_model_explicit(
    const Thyra::ModelEvaluator<Scalar> &model,
    Thyra::ModelEvaluatorBase::InArgs<Scalar> &basePoint,
    const VectorBase<Scalar>& x_in,
    const typename Thyra::ModelEvaluatorBase::InArgs<Scalar>::ScalarMag &t_in,
    const Ptr<VectorBase<Scalar> >& f_out
    )
{
  typedef Thyra::ModelEvaluatorBase MEB;
  MEB::InArgs<Scalar> inArgs = model.createInArgs();
  MEB::OutArgs<Scalar> outArgs = model.createOutArgs();
  inArgs.setArgs(basePoint);
  inArgs.set_x(Teuchos::rcp(&x_in,false));
  if (inArgs.supports(MEB::IN_ARG_t)) {
    inArgs.set_t(t_in);
  }
  outArgs.set_f(Teuchos::rcp(&*f_out,false));
  model.evalModel(inArgs,outArgs);
}