view-values.cpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2012
*
* 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/int/branch.hh>
namespace Gecode { namespace Int { namespace Branch {
PosValuesChoice::PosValuesChoice(const Brancher& b, const Pos& p, IntView x)
: PosChoice(b,x.size(),p), n(0) {
for (ViewRanges<IntView> r(x); r(); ++r)
n++;
pm = heap.alloc<PosMin>(n+1);
unsigned int w=0;
int i=0;
for (ViewRanges<IntView> r(x); r(); ++r) {
pm[i].min = r.min();
pm[i].pos = w;
w += r.width(); i++;
}
pm[i].pos = w;
}
PosValuesChoice::PosValuesChoice(const Brancher& b, unsigned int a, Pos p,
Archive& e)
: PosChoice(b,a,p) {
e >> n;
pm = heap.alloc<PosMin>(n+1);
for (unsigned int i=0; i<n+1; i++) {
e >> pm[i].pos;
e >> pm[i].min;
}
}
PosValuesChoice::~PosValuesChoice(void) {
heap.free<PosMin>(pm,n+1);
}
forceinline void
PosValuesChoice::archive(Archive& e) const {
PosChoice::archive(e);
e << this->alternatives() << n;
for (unsigned int i=0; i<n+1; i++) {
e << pm[i].pos;
e << pm[i].min;
}
}
}}}
// STATISTICS: int-branch
Gecode::Archive
Archive representation
Definition archive.hpp:42
Gecode::Brancher
Base-class for branchers.
Definition core.hpp:1442
Gecode::Choice::alternatives
unsigned int alternatives(void) const
Return number of alternatives.
Definition core.hpp:3770
Gecode::Int::Branch::PosValuesChoice::~PosValuesChoice
virtual ~PosValuesChoice(void)
Deallocate.
Definition view-values.cpp:64
Gecode::Int::Branch::PosValuesChoice::PosValuesChoice
PosValuesChoice(const Brancher &b, const Pos &p, IntView x)
Initialize choice for brancher b, position p, and view x.
Definition view-values.cpp:38
Gecode::Int::Branch::PosValuesChoice::archive
virtual void archive(Archive &e) const
Archive into e.
Definition view-values.cpp:69
Gecode::Int::IntView
Integer view for integer variables.
Definition view.hpp:129
Gecode::Int::ViewRanges
Range iterator for integer views.
Definition view.hpp:54
Gecode::PosChoice::archive
virtual void archive(Archive &e) const
Archive into e.
Definition view.hpp:130
Gecode::PosChoice::PosChoice
PosChoice(const PosChoice &c)
Initialize.
Gecode::Pos
Position information.
Definition view.hpp:44
branch.hh
Gecode::heap
Heap heap
The single global heap.
Definition heap.cpp:44
Gecode::Int::Branch
Integer branchers.
Gecode::Int
Finite domain integers.
Gecode
Gecode toplevel namespace
forceinline
#define forceinline
Definition config.hpp:187