eqite.hpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2015
*
* 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
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* 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
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*
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#include <algorithm>
namespace Gecode { namespace Int { namespace Distinct {
forceinline
EqIte::EqIte(Home home, IntView x0, IntView x1, int d0, int d1)
: BinaryPropagator<IntView,PC_INT_DOM>(home,x0,x1), c0(d0), c1(d1) {}
forceinline
EqIte::EqIte(Space& home, EqIte& p)
: BinaryPropagator<IntView,PC_INT_DOM>(home,p),
c0(p.c0), c1(p.c1) {}
inline ExecStatus
EqIte::post(Home home, IntView x0, IntView x1, int c0, int c1) {
assert(!(x0.assigned() && (x0.val() == c0)) && x0.in(c0));
GECODE_ME_CHECK(x1.lq(home,std::max(x0.max(),c1)));
GECODE_ME_CHECK(x1.gq(home,std::min(x0.min(),c1)));
(void) new (home) EqIte(home,x0,x1,c0,c1);
return ES_OK;
}
}}}
// STATISTICS: int-prop
Gecode::BinaryPropagator< IntView, PC_INT_DOM >::x0
IntView x0
Definition pattern.hpp:87
Gecode::BinaryPropagator< IntView, PC_INT_DOM >::BinaryPropagator
BinaryPropagator(Space &home, BinaryPropagator &p)
Gecode::BinaryPropagator< IntView, PC_INT_DOM >::x1
IntView x1
Definition pattern.hpp:87
Gecode::Home
Home class for posting propagators
Definition core.hpp:856
Gecode::Int::Distinct::EqIte::EqIte
EqIte(Space &home, EqIte &p)
Constructor for cloning p.
Definition eqite.hpp:43
Gecode::Int::Distinct::EqIte::post
static ExecStatus post(Home home, IntView x0, IntView x1, int c0, int c1)
Post if-then-else propagator.
Definition eqite.hpp:49
Gecode::Int::Distinct::EqIte::c1
int c1
Definition distinct.hh:354
Gecode::Int::Distinct::EqIte::c0
int c0
The integer constant.
Definition distinct.hh:354
Gecode::Int::IntView
Integer view for integer variables.
Definition view.hpp:129
Gecode::Propagator::Space
friend class Space
Definition core.hpp:1066
GECODE_ME_CHECK
#define GECODE_ME_CHECK(me)
Check whether modification event me is failed, and forward failure.
Definition macros.hpp:52
Gecode::Int::Distinct
Distinct propagators
Gecode::Int
Finite domain integers.
Gecode::Int::PC_INT_DOM
const Gecode::PropCond PC_INT_DOM
Propagate when domain changes.
Definition var-type.hpp:100
Gecode
Gecode toplevel namespace
Gecode::ExecStatus
ExecStatus
Definition core.hpp:472
Gecode::ES_OK
@ ES_OK
Execution is okay.
Definition core.hpp:476
forceinline
#define forceinline
Definition config.hpp:187