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70 lines (60 loc) · 2.25 KB
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2016
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <gecode/float.hh>
#include <gecode/search/relax.hh>
namespace Gecode { namespace Float {
/// Class for posting equalities for non-relaxed variables
class Relax {
public:
/// Post the actual equality for non-relaxed variables
ExecStatus operator ()(Home home, FloatVar x, FloatVar sx);
};
forceinline ExecStatus
Relax::operator ()(Home home, FloatVar x, FloatVar sx) {
FloatView xv(x);
return me_failed(xv.eq(home,sx.val())) ? ES_FAILED : ES_OK;
}
}}
namespace Gecode {
void
relax(Home home, const FloatVarArgs& x, const FloatVarArgs& sx,
Rnd r, double p) {
if (x.size() != sx.size())
throw Float::ArgumentSizeMismatch("Float::relax");
if ((p < 0.0) || (p > 1.0))
throw Float::OutOfLimits("Float::relax");
Float::Relax fr;
Search::relax<FloatVarArgs,Float::Relax>(home,x,sx,r,p,fr);
}
}
// STATISTICS: float-other