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// Copyright (C) 2009 by Thomas Moulard, AIST, CNRS, INRIA.
//
// This file is part of the roboptim.
//
// roboptim is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// roboptim is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with roboptim. If not, see <http://www.gnu.org/licenses/>.
#ifndef ROBOPTIM_CORE_FWD_HH
# define ROBOPTIM_CORE_FWD_HH
namespace roboptim
{
/// \brief Tag a result if no solution has been found.
///
/// Returned by GenericSolver::getMinimum if no solution can be
/// found (but no error has been encountered during the process).
/// It usually means that the solver has not been called to solve
/// the problem.
class NoSolution {};
class ConstantFunction;
template <typename T>
class GenericDifferentiableFunction;
class DummySolver;
namespace finiteDifferenceGradientPolicies
{
template <typename T>
class Simple;
template <typename T>
class FivePointsRule;
} // end of finiteDifferenceGradientPolicies
template <typename T,
typename FdgPolicy =
finiteDifferenceGradientPolicies::FivePointsRule<T> >
class GenericFiniteDifferenceGradient;
template <typename T>
class GenericFunction;
template <typename T>
struct GenericFunctionTraits;
/// \brief Tag type for functions using Eigen dense matrices.
struct EigenMatrixDense {};
/// \brief Tag type for functions using Eigen sparse matrices.
struct EigenMatrixSparse {};
/// \brief Dense function.
typedef GenericFunction<EigenMatrixDense>
Function;
/// \brief Sparse function.
typedef GenericFunction<EigenMatrixSparse>
SparseFunction;
/// \brief Dense differentiable function.
typedef GenericDifferentiableFunction<EigenMatrixDense>
DifferentiableFunction;
/// \brief Sparse differentiable function.
typedef GenericDifferentiableFunction<EigenMatrixSparse>
DifferentiableSparseFunction;
class GenericSolver;
class NoSolution;
template <typename T>
class GenericNumericLinearFunction;
typedef GenericNumericLinearFunction<EigenMatrixDense>
NumericLinearFunction;
class NumericQuadraticFunction;
class Result;
class ResultWithWarnings;
class SolverError;
class SolverWarning;
template <typename T>
class GenericTwiceDifferentiableFunction;
typedef GenericTwiceDifferentiableFunction<EigenMatrixDense>
TwiceDifferentiableFunction;
typedef GenericTwiceDifferentiableFunction<EigenMatrixSparse>
TwiceDifferentiableSparseFunction;
template <typename T>
class GenericLinearFunction;
typedef GenericLinearFunction<EigenMatrixDense> LinearFunction;
typedef GenericLinearFunction<EigenMatrixSparse> LinearSparseFunction;
template <typename T>
class GenericQuadraticFunction;
typedef GenericQuadraticFunction<EigenMatrixDense> QuadraticFunction;
typedef GenericQuadraticFunction<EigenMatrixSparse> QuadraticSparseFunction;
template <typename F, typename C = F> class Problem;
template <typename F, typename C = F> class Solver;
template <typename T> class SolverFactory;
template <unsigned DerivabilityOrder> class NTimesDerivableFunction;
template <typename T>
struct derivativeSize;
} // end of namespace roboptim.
#endif //! ROBOPTIM_CORE_FWD_HH
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