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src
ConstrainedOptPack
src
globalization
ConstrainedOptPack_MeritFuncNLESqrResid.cpp
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// @HEADER
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// ***********************************************************************
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//
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// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
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// Copyright (2003) Sandia Corporation
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//
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// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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// license for use of this work by or on behalf of the U.S. Government.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the Corporation nor the names of the
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov)
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//
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// ***********************************************************************
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// @HEADER
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#include "ConstrainedOptPack_MeritFuncNLESqrResid.hpp"
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#include "AbstractLinAlgPack_LinAlgOpPack.hpp"
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namespace
ConstrainedOptPack {
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MeritFuncNLESqrResid::MeritFuncNLESqrResid
()
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: deriv_(0.0)
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{}
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value_type
MeritFuncNLESqrResid::calc_deriv
(
const
Vector& c_k )
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{
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using
LinAlgOpPack::dot
;
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return
deriv_ = -
dot
(c_k,c_k);
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}
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// Overridden from MeritFuncNLP
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value_type
MeritFuncNLESqrResid::value
(
const
Vector& c)
const
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{
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using
LinAlgOpPack::dot
;
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return
0.5 *
dot
(c,c);
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}
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value_type
MeritFuncNLESqrResid::deriv
()
const
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{
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return
deriv_;
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}
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void
MeritFuncNLESqrResid::print_merit_func
(std::ostream& out
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,
const
std::string& L )
const
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{
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out
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<< L <<
"*** Define a square of constraint residuals merit funciton\n"
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<< L <<
"*** (assumes Gc_k'*d_k + c_k = 0):\n"
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<< L <<
"phi(c) = 1/2 * dot(c,c)\n"
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<< L <<
"Dphi(x_k,d_k) = - dot(c_k,c_k)\n"
;
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}
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}
// end namespace ConstrainedOptPack
ConstrainedOptPack::MeritFuncNLESqrResid::calc_deriv
value_type calc_deriv(const Vector &c_k)
Definition:
ConstrainedOptPack_MeritFuncNLESqrResid.cpp:51
ConstrainedOptPack::MeritFuncNLESqrResid::print_merit_func
void print_merit_func(std::ostream &out, const std::string &leading_str) const
Definition:
ConstrainedOptPack_MeritFuncNLESqrResid.cpp:70
ConstrainedOptPack::MeritFuncNLESqrResid::value
value_type value(const Vector &c) const
Definition:
ConstrainedOptPack_MeritFuncNLESqrResid.cpp:59
ConstrainedOptPack::MeritFuncNLESqrResid::deriv
value_type deriv() const
Definition:
ConstrainedOptPack_MeritFuncNLESqrResid.cpp:65
dot
value_type dot(const Vector &v_rhs1, const Vector &v_rhs2)
ConstrainedOptPack::MeritFuncNLESqrResid::MeritFuncNLESqrResid
MeritFuncNLESqrResid()
Initializes deriv() = 0.
Definition:
ConstrainedOptPack_MeritFuncNLESqrResid.cpp:47
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