/usr/include/trilinos/MoochoPack_QuasiRangeSpaceStepStd_Strategy.hpp is in libtrilinos-dev 10.4.0.dfsg-1ubuntu2.
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// ***********************************************************************
//
// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
// Copyright (2003) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// This library 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 2.1 of the
// License, or (at your option) any later version.
//
// This library 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 this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov)
//
// ***********************************************************************
// @HEADER
#ifndef QUASI_RANGE_SPACE_STEP_STD_STRATEGY_H
#define QUASI_RANGE_SPACE_STEP_STD_STRATEGY_H
#include "MoochoPack_QuasiRangeSpaceStep_Strategy.hpp"
namespace MoochoPack {
/** \brief Strategy class for computing a quasi-range-space step by solving
* the approximate range space problem directly.
*/
class QuasiRangeSpaceStepStd_Strategy : public QuasiRangeSpaceStep_Strategy {
public:
/** @name Overridden from QuasiRangeSpaceStep_Strategy */
//@{
/** \brief Solves the range space problem with the old decomposition at x_k.
*
* Solves:
\verbatim
vy = -inv(Gc_k'*Y_k) * c_xo
v = Y_k*vy
\endverbatim
*/
bool solve_quasi_range_space_step(
std::ostream& out, EJournalOutputLevel olevel, NLPAlgo *algo, NLPAlgoState *s
,const Vector& xo, const Vector& c_xo, VectorMutable* v
);
/** \brief . */
void print_step( std::ostream& out, const std::string& leading_str ) const;
//@}
}; // end class QuasiRangeSpaceStepStd_Strategy
} // end namespace MoochoPack
#endif // QUASI_RANGE_SPACE_STEP_STD_STRATEGY_H
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