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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- *//* * Main authors: * Christian Schulte <schulte@gecode.org> * * Contributing authors: * Samuel Gagnon <samuel.gagnon92@gmail.com> * * Copyright: * Christian Schulte, 2002 * Samuel Gagnon, 2018 * * 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/div.hh>
namespace Gecode { namespace Int {
/* * Constructors and initialization * */ template<class Val, class UnsVal> forceinline ScaleView<Val,UnsVal>::ScaleView(void) {}
template<class Val, class UnsVal> forceinline ScaleView<Val,UnsVal>::ScaleView(int b, const IntView& y) : DerivedView<IntView>(y), a(b) {}
/* * Value access * */ template<class Val, class UnsVal> forceinline int ScaleView<Val,UnsVal>::scale(void) const { return a; } template<class Val, class UnsVal> forceinline Val ScaleView<Val,UnsVal>::min(void) const { return static_cast<Val>(x.min()) * a; }
template<class Val, class UnsVal> forceinline Val ScaleView<Val,UnsVal>::max(void) const { return static_cast<Val>(x.max()) * a; }
template<class Val, class UnsVal> forceinline Val ScaleView<Val,UnsVal>::med(void) const { return static_cast<Val>(x.med()) * a; }
template<class Val, class UnsVal> forceinline Val ScaleView<Val,UnsVal>::val(void) const { return static_cast<Val>(x.val()) * a; }#ifdef GECODE_HAS_CBS template<class Val, class UnsVal> forceinline Val ScaleView<Val,UnsVal>::baseval(Val val) const { return val / a; }#endif
template<class Val, class UnsVal> forceinline UnsVal ScaleView<Val,UnsVal>::size(void) const { return static_cast<UnsVal>(x.size()); }
template<class Val, class UnsVal> forceinline UnsVal ScaleView<Val,UnsVal>::width(void) const { return static_cast<UnsVal>(x.width()) * a; }
template<class Val, class UnsVal> forceinline UnsVal ScaleView<Val,UnsVal>::regret_min(void) const { return static_cast<UnsVal>(x.regret_min()) * a; }
template<class Val, class UnsVal> forceinline UnsVal ScaleView<Val,UnsVal>::regret_max(void) const { return static_cast<UnsVal>(x.regret_max()) * a; }
/* * Domain tests * */ template<class Val, class UnsVal> forceinline bool ScaleView<Val,UnsVal>::range(void) const { return x.range(); } template<class Val, class UnsVal> forceinline bool ScaleView<Val,UnsVal>::in(Val n) const { return ((n % a) == 0) && x.in(n / a); }
/* * Domain update by value * */ template<class Val, class UnsVal> forceinline ModEvent ScaleView<Val,UnsVal>::lq(Space& home, Val n) { return (n >= max()) ? ME_INT_NONE : x.lq(home,floor_div_xp(n,static_cast<Val>(a))); }
template<class Val, class UnsVal> forceinline ModEvent ScaleView<Val,UnsVal>::le(Space& home, Val n) { return (n > max()) ? ME_INT_NONE : x.le(home,floor_div_xp(n,static_cast<Val>(a))); }
template<class Val, class UnsVal> forceinline ModEvent ScaleView<Val,UnsVal>::gq(Space& home, Val n) { return (n <= min()) ? ME_INT_NONE : x.gq(home,ceil_div_xp(n,static_cast<Val>(a))); } template<class Val, class UnsVal> forceinline ModEvent ScaleView<Val,UnsVal>::gr(Space& home, Val n) { return (n < min()) ? ME_INT_NONE : x.gr(home,ceil_div_xp(n,static_cast<Val>(a))); }
template<class Val, class UnsVal> forceinline ModEvent ScaleView<Val,UnsVal>::nq(Space& home, Val n) { return ((n % a) == 0) ? x.nq(home,n/a) : ME_INT_NONE; }
template<class Val, class UnsVal> forceinline ModEvent ScaleView<Val,UnsVal>::eq(Space& home, Val n) { return ((n % a) == 0) ? x.eq(home,n/a) : ME_INT_FAILED; }
/* * Propagator modification events * */ template<class Val, class UnsVal> forceinline ModEventDelta ScaleView<Val,UnsVal>::med(ModEvent me) { return IntView::med(me); }
/* * Delta information for advisors * */ template<class Val, class UnsVal> forceinline Val ScaleView<Val,UnsVal>::min(const Delta& d) const { return static_cast<Val>(x.min(d)) * a; } template<class Val, class UnsVal> forceinline Val ScaleView<Val,UnsVal>::max(const Delta& d) const { return static_cast<Val>(x.max(d)) * a; } template<class Val, class UnsVal> forceinline UnsVal ScaleView<Val,UnsVal>::width(const Delta& d) const { return static_cast<UnsVal>(x.width(d)) * a; } template<class Val, class UnsVal> forceinline bool ScaleView<Val,UnsVal>::any(const Delta& d) const { return x.any(d); }
/* * Cloning * */ template<class Val, class UnsVal> forceinline void ScaleView<Val,UnsVal>::update(Space& home, ScaleView<Val,UnsVal>& y) { DerivedView<IntView>::update(home,y); a=y.a; }
/* * Ordering * */ template<class Val, class UnsVal> forceinline bool ScaleView<Val,UnsVal>::operator <(const ScaleView<Val,UnsVal>& y) const { return ((base() < y.base()) || ((base() == y.base()) && (scale() < y.scale()))); }
/** * \brief %Range iterator for integer-precision scale integer views * \ingroup TaskActorIntView */ template<> class ViewRanges<IntScaleView> : public Iter::Ranges::ScaleUp<int,unsigned int,ViewRanges<IntView> > { public: /// \name Constructors and initialization //@{ /// Default constructor ViewRanges(void); /// Initialize with ranges for view \a x ViewRanges(const IntScaleView& x); /// Initialize with ranges for view \a x void init(const IntScaleView& x); //@} };
forceinline ViewRanges<IntScaleView>::ViewRanges(void) {} forceinline ViewRanges<IntScaleView>::ViewRanges(const IntScaleView& x) { ViewRanges<IntView> xi(x.base()); Iter::Ranges::ScaleUp<int,unsigned int,ViewRanges<IntView> >::init (xi,x.scale()); } forceinline void ViewRanges<IntScaleView>::init(const IntScaleView& x) { ViewRanges<IntView> xi(x.base()); Iter::Ranges::ScaleUp<int,unsigned int,ViewRanges<IntView> >::init (xi,x.scale()); }
/** * \brief %Range iterator for long long int-precision scale integer views * \ingroup TaskActorIntView */ template<> class ViewRanges<LLongScaleView> : public Iter::Ranges::ScaleUp<long long int,unsigned long long int, ViewRanges<IntView> > { public: /// \name Constructors and initialization //@{ /// Default constructor ViewRanges(void); /// Initialize with ranges for view \a x ViewRanges(const LLongScaleView& x); /// Initialize with ranges for view \a x void init(const LLongScaleView& x); //@} };
forceinline ViewRanges<LLongScaleView>::ViewRanges(void) {} forceinline ViewRanges<LLongScaleView>::ViewRanges(const LLongScaleView& x) { ViewRanges<IntView> xi(x.base()); Iter::Ranges::ScaleUp<long long int,unsigned long long int, ViewRanges<IntView> >::init(xi,x.scale()); } forceinline void ViewRanges<LLongScaleView>::init(const LLongScaleView& x) { ViewRanges<IntView> xi(x.base()); Iter::Ranges::ScaleUp<long long int,unsigned long long int, ViewRanges<IntView> >::init(xi,x.scale()); }
/* * View comparison * */ template<class Val, class UnsVal> forceinline bool operator ==(const ScaleView<Val,UnsVal>& x, const ScaleView<Val,UnsVal>& y) { return (x.base() == y.base()) && (x.scale() == y.scale()); } template<class Val, class UnsVal> forceinline bool operator !=(const ScaleView<Val,UnsVal>& x, const ScaleView<Val,UnsVal>& y) { return !(x == y); }
}}
// STATISTICS: int-var