/usr/include/trilinos/OptiPack_UnconstrainedOptMeritFunc1D_def.hpp is in libtrilinos-optipack-dev 12.4.2-2.
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// OptiPack: Collection of simple Thyra-based Optimization ANAs
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#ifndef OPTIPACK_UNCONSTRAINED_OPT_MERIT_FUNC_1D_DEF_HPP
#define OPTIPACK_UNCONSTRAINED_OPT_MERIT_FUNC_1D_DEF_HPP
#include "OptiPack_Types.hpp"
#include "OptiPack_LineSearchPointEvaluatorBase.hpp"
#include "Thyra_ModelEvaluatorHelpers.hpp"
#include "Thyra_VectorStdOps.hpp"
#include "GlobiPack_MeritFunc1DBase.hpp"
#include "Teuchos_Assert.hpp"
namespace OptiPack {
// Constructor/Initializers/Accessors
template<typename Scalar>
UnconstrainedOptMeritFunc1D<Scalar>::UnconstrainedOptMeritFunc1D()
: paramIndex_(-1),
responseIndex_(-1)
{}
template<typename Scalar>
void UnconstrainedOptMeritFunc1D<Scalar>::setModel(
const RCP<const Thyra::ModelEvaluator<Scalar> > &model,
const int paramIndex,
const int responseIndex
)
{
#ifdef TEUCHOS_DEBUG
model.assert_not_null();
TEUCHOS_ASSERT_IN_RANGE_UPPER_EXCLUSIVE( paramIndex, 0, model->Np() );
TEUCHOS_ASSERT_IN_RANGE_UPPER_EXCLUSIVE( responseIndex, 0, model->Ng() );
#endif
model_ = model;
paramIndex_ = paramIndex;
responseIndex_ = responseIndex;
}
template<typename Scalar>
void UnconstrainedOptMeritFunc1D<Scalar>::setEvaluationQuantities(
const RCP<const LineSearchPointEvaluatorBase<Scalar> > &pointEvaluator,
const RCP<Thyra::VectorBase<Scalar> > &p,
const RCP<Thyra::VectorBase<Scalar> > &g_vec,
const RCP<Thyra::VectorBase<Scalar> > &g_grad_vec
)
{
#ifdef TEUCHOS_DEBUG
pointEvaluator.assert_not_null();
p.assert_not_null();
g_vec.assert_not_null();
// ToDo: Check that pointEvaluator, p, g_vec, and g_grad_vec are compatible!
#endif
pointEvaluator_ = pointEvaluator;
p_ = p;
g_vec_ = g_vec;
g_grad_vec_ = g_grad_vec; // Can be null and that is okay
}
// Overridden from MeritFunc1DBase
template<typename Scalar>
bool UnconstrainedOptMeritFunc1D<Scalar>::supportsDerivEvals() const
{
return !is_null(g_grad_vec_);
}
template<typename Scalar>
void UnconstrainedOptMeritFunc1D<Scalar>::eval(
const ScalarMag &alpha, const Ptr<ScalarMag> &phi,
const Ptr<ScalarMag> &Dphi ) const
{
typedef Thyra::ModelEvaluatorBase MEB;
using Thyra::get_ele;
using Thyra::eval_g;
using Thyra::eval_g_DgDp;
pointEvaluator_->computePoint(alpha, p_.ptr());
if (!is_null(g_grad_vec_)) {
TEUCHOS_TEST_FOR_EXCEPT_MSG( true,
"Error, g_grad_vec has not been implemented yet!.");
}
else {
#ifdef TEUCHOS_DEBUG
TEUCHOS_ASSERT(is_null(Dphi));
#endif
eval_g( *model_, paramIndex_, *p_, responseIndex_, g_vec_.ptr() );
*phi = get_ele(*g_vec_, 0);
}
}
} // namespace OptiPack
#endif // OPTIPACK_UNCONSTRAINED_OPT_MERIT_FUNC_1D_DEF_HPP
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