var-imp.hpp

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/*
 *  CAUTION:
 *    This file has been automatically generated. Do not edit,
 *    edit the following files instead:
 *     - ./gecode/int/var-imp/int.vis
 *     - ./gecode/int/var-imp/bool.vis
 *     - ./gecode/set/var-imp/set.vis
 *     - ./gecode/float/var-imp/float.vis
 *
 *  This file contains generated code fragments which are
 *  copyrighted as follows:
 *
 *  Main author:
 *     Christian Schulte <schulte@gecode.dev>
 *
 *  Contributing authors:
 *     Kris Coester <kris.coester@sap.com>
 *     Alexander Shepil <alexander.shepil@sap.com>
 *     Mikael Zayenz Lagerkvist <lagerkvist@gecode.dev>
 *
 *  Copyright:
 *     Christian Schulte, 2007
 *     Kris Coester, 2024
 *     Alexander Shepil, 2024
 *     Mikael Zayenz Lagerkvist, 2026
 *
 *  The generated code fragments are part of Gecode, the generic
 *  constraint development environment:
 *     http://www.gecode.dev
 *
 *  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.
 *
 */
 
#ifdef GECODE_HAS_INT_VARS
namespace Gecode { namespace Int {
  class IntVarImpBase : public Gecode::VarImp<Gecode::Int::IntVarImpConf> {
  protected:
    IntVarImpBase(Gecode::Space& home, IntVarImpBase& x);
  public:
    IntVarImpBase(void);
    IntVarImpBase(Gecode::Space& home);


    void subscribe(Gecode::Space& home, Gecode::Propagator& p, Gecode::PropCond pc, bool assigned, bool schedule);
    void subscribe(Gecode::Space& home, Gecode::Advisor& a, bool assigned, bool failed);
    Gecode::ModEvent notify(Gecode::Space& home, Gecode::ModEvent me, Gecode::Delta& d);
    static void schedule(Gecode::Space& home, Gecode::Propagator& p, Gecode::ModEvent me);
    void reschedule(Gecode::Space& home, Gecode::Propagator& p, Gecode::PropCond pc, bool assigned);
  };
}}
#endif
#ifdef GECODE_HAS_INT_VARS
namespace Gecode { namespace Int {
  class BoolVarImpBase : public Gecode::VarImp<Gecode::Int::BoolVarImpConf> {
  protected:
    BoolVarImpBase(Gecode::Space& home, BoolVarImpBase& x);
  public:
    BoolVarImpBase(void);
    BoolVarImpBase(Gecode::Space& home);


    void subscribe(Gecode::Space& home, Gecode::Propagator& p, Gecode::PropCond pc, bool assigned, bool schedule);
    void subscribe(Gecode::Space& home, Gecode::Advisor& a, bool assigned, bool failed);
    Gecode::ModEvent notify(Gecode::Space& home, Gecode::ModEvent me, Gecode::Delta& d);
    static void schedule(Gecode::Space& home, Gecode::Propagator& p, Gecode::ModEvent me);
    void reschedule(Gecode::Space& home, Gecode::Propagator& p, Gecode::PropCond pc, bool assigned);
  };
}}
#endif
#ifdef GECODE_HAS_SET_VARS
namespace Gecode { namespace Set {
  class SetVarImpBase : public Gecode::VarImp<Gecode::Set::SetVarImpConf> {
  protected:
    SetVarImpBase(Gecode::Space& home, SetVarImpBase& x);
  public:
    SetVarImpBase(void);
    SetVarImpBase(Gecode::Space& home);


    void subscribe(Gecode::Space& home, Gecode::Propagator& p, Gecode::PropCond pc, bool assigned, bool schedule);
    void subscribe(Gecode::Space& home, Gecode::Advisor& a, bool assigned, bool failed);
    Gecode::ModEvent notify(Gecode::Space& home, Gecode::ModEvent me, Gecode::Delta& d);
    static void schedule(Gecode::Space& home, Gecode::Propagator& p, Gecode::ModEvent me);
    void reschedule(Gecode::Space& home, Gecode::Propagator& p, Gecode::PropCond pc, bool assigned);
  };
}}
#endif
#ifdef GECODE_HAS_FLOAT_VARS
namespace Gecode { namespace Float {
  class FloatVarImpBase : public Gecode::VarImp<Gecode::Float::FloatVarImpConf> {
  protected:
    FloatVarImpBase(Gecode::Space& home, FloatVarImpBase& x);
  public:
    FloatVarImpBase(void);
    FloatVarImpBase(Gecode::Space& home);


    void subscribe(Gecode::Space& home, Gecode::Propagator& p, Gecode::PropCond pc, bool assigned, bool schedule);
    void subscribe(Gecode::Space& home, Gecode::Advisor& a, bool assigned, bool failed);
    Gecode::ModEvent notify(Gecode::Space& home, Gecode::ModEvent me, Gecode::Delta& d);
    static void schedule(Gecode::Space& home, Gecode::Propagator& p, Gecode::ModEvent me);
    void reschedule(Gecode::Space& home, Gecode::Propagator& p, Gecode::PropCond pc, bool assigned);
  };
}}
#endif
#ifdef GECODE_HAS_INT_VARS
namespace Gecode { namespace Int {
 
  forceinline
  IntVarImpBase::IntVarImpBase(void) {}
 
  forceinline
  IntVarImpBase::IntVarImpBase(Gecode::Space& home)
    : Gecode::VarImp<Gecode::Int::IntVarImpConf>(home) {}
 
  forceinline
  IntVarImpBase::IntVarImpBase(Gecode::Space& home, IntVarImpBase& x)
    : Gecode::VarImp<Gecode::Int::IntVarImpConf>(home,x) {}
 
  forceinline void
  IntVarImpBase::subscribe(Gecode::Space& home, Gecode::Propagator& p, Gecode::PropCond pc, bool assigned, bool schedule) {
    Gecode::VarImp<Gecode::Int::IntVarImpConf>::subscribe(home,p,pc,assigned,ME_INT_BND,schedule);
  }
  forceinline void
  IntVarImpBase::subscribe(Gecode::Space& home, Gecode::Advisor& a, bool assigned, bool failed) {
    Gecode::VarImp<Gecode::Int::IntVarImpConf>::subscribe(home,a,assigned,failed);
  }
 
  forceinline void
  IntVarImpBase::schedule(Gecode::Space& home, Gecode::Propagator& p, Gecode::ModEvent me) {
    Gecode::VarImp<Gecode::Int::IntVarImpConf>::schedule(home,p,me);
  }
  forceinline void
  IntVarImpBase::reschedule(Gecode::Space& home, Gecode::Propagator& p, Gecode::PropCond pc, bool assigned) {
    Gecode::VarImp<Gecode::Int::IntVarImpConf>::reschedule(home,p,pc,assigned,ME_INT_BND);
  }
 
  forceinline Gecode::ModEvent
  IntVarImpBase::notify(Gecode::Space& home, Gecode::ModEvent me, Gecode::Delta& d) {
    switch (me) {
    case ME_INT_VAL:
      // Conditions: VAL, BND, DOM
      Gecode::VarImp<Gecode::Int::IntVarImpConf>::schedule(home,PC_INT_VAL,PC_INT_DOM,ME_INT_VAL);
      if (!Gecode::VarImp<Gecode::Int::IntVarImpConf>::advise(home,ME_INT_VAL,d))
        return ME_INT_FAILED;
      cancel(home);
      break;
    case ME_INT_BND:
      // Conditions: BND, DOM
      Gecode::VarImp<Gecode::Int::IntVarImpConf>::schedule(home,PC_INT_BND,PC_INT_DOM,ME_INT_BND);
      if (!Gecode::VarImp<Gecode::Int::IntVarImpConf>::advise(home,ME_INT_BND,d))
        return ME_INT_FAILED;
      break;
    case ME_INT_DOM:
      // Conditions: DOM
      Gecode::VarImp<Gecode::Int::IntVarImpConf>::schedule(home,PC_INT_DOM,PC_INT_DOM,ME_INT_DOM);
      if (!Gecode::VarImp<Gecode::Int::IntVarImpConf>::advise(home,ME_INT_DOM,d))
        return ME_INT_FAILED;
      break;
    default: GECODE_NEVER;
    }
    return me;
  }
 
}}
#endif
#ifdef GECODE_HAS_INT_VARS
namespace Gecode { namespace Int {
 
  forceinline
  BoolVarImpBase::BoolVarImpBase(void) {}
 
  forceinline
  BoolVarImpBase::BoolVarImpBase(Gecode::Space& home)
    : Gecode::VarImp<Gecode::Int::BoolVarImpConf>(home) {}
 
  forceinline
  BoolVarImpBase::BoolVarImpBase(Gecode::Space& home, BoolVarImpBase& x)
    : Gecode::VarImp<Gecode::Int::BoolVarImpConf>(home,x) {}
 
  forceinline void
  BoolVarImpBase::subscribe(Gecode::Space& home, Gecode::Propagator& p, Gecode::PropCond pc, bool assigned, bool schedule) {
    Gecode::VarImp<Gecode::Int::BoolVarImpConf>::subscribe(home,p,pc,assigned,ME_BOOL_VAL,schedule);
  }
  forceinline void
  BoolVarImpBase::subscribe(Gecode::Space& home, Gecode::Advisor& a, bool assigned, bool failed) {
    Gecode::VarImp<Gecode::Int::BoolVarImpConf>::subscribe(home,a,assigned,failed);
  }
 
  forceinline void
  BoolVarImpBase::schedule(Gecode::Space& home, Gecode::Propagator& p, Gecode::ModEvent me) {
    Gecode::VarImp<Gecode::Int::BoolVarImpConf>::schedule(home,p,me);
  }
  forceinline void
  BoolVarImpBase::reschedule(Gecode::Space& home, Gecode::Propagator& p, Gecode::PropCond pc, bool assigned) {
    Gecode::VarImp<Gecode::Int::BoolVarImpConf>::reschedule(home,p,pc,assigned,ME_BOOL_VAL);
  }
 
  forceinline Gecode::ModEvent
  BoolVarImpBase::notify(Gecode::Space& home, Gecode::ModEvent, Gecode::Delta& d) {
    Gecode::VarImp<Gecode::Int::BoolVarImpConf>::schedule(home,PC_BOOL_VAL,PC_BOOL_VAL,ME_BOOL_VAL);
    if (!Gecode::VarImp<Gecode::Int::BoolVarImpConf>::advise(home,ME_BOOL_VAL,d))
      return ME_BOOL_FAILED;
    cancel(home);
    return ME_BOOL_VAL;
  }
 
}}
#endif
#ifdef GECODE_HAS_SET_VARS
namespace Gecode { namespace Set {
 
  forceinline
  SetVarImpBase::SetVarImpBase(void) {}
 
  forceinline
  SetVarImpBase::SetVarImpBase(Gecode::Space& home)
    : Gecode::VarImp<Gecode::Set::SetVarImpConf>(home) {}
 
  forceinline
  SetVarImpBase::SetVarImpBase(Gecode::Space& home, SetVarImpBase& x)
    : Gecode::VarImp<Gecode::Set::SetVarImpConf>(home,x) {}
 
  forceinline void
  SetVarImpBase::subscribe(Gecode::Space& home, Gecode::Propagator& p, Gecode::PropCond pc, bool assigned, bool schedule) {
    Gecode::VarImp<Gecode::Set::SetVarImpConf>::subscribe(home,p,pc,assigned,ME_SET_CBB,schedule);
  }
  forceinline void
  SetVarImpBase::subscribe(Gecode::Space& home, Gecode::Advisor& a, bool assigned, bool failed) {
    Gecode::VarImp<Gecode::Set::SetVarImpConf>::subscribe(home,a,assigned,failed);
  }
 
  forceinline void
  SetVarImpBase::schedule(Gecode::Space& home, Gecode::Propagator& p, Gecode::ModEvent me) {
    Gecode::VarImp<Gecode::Set::SetVarImpConf>::schedule(home,p,me);
  }
  forceinline void
  SetVarImpBase::reschedule(Gecode::Space& home, Gecode::Propagator& p, Gecode::PropCond pc, bool assigned) {
    Gecode::VarImp<Gecode::Set::SetVarImpConf>::reschedule(home,p,pc,assigned,ME_SET_CBB);
  }
 
  forceinline Gecode::ModEvent
  SetVarImpBase::notify(Gecode::Space& home, Gecode::ModEvent me, Gecode::Delta& d) {
    switch (me) {
    case ME_SET_VAL:
      // Conditions: VAL, CARD, CLUB, CGLB, ANY
      Gecode::VarImp<Gecode::Set::SetVarImpConf>::schedule(home,PC_SET_VAL,PC_SET_ANY,ME_SET_VAL);
      if (!Gecode::VarImp<Gecode::Set::SetVarImpConf>::advise(home,ME_SET_VAL,d))
        return ME_SET_FAILED;
      cancel(home);
      break;
    case ME_SET_CARD:
      // Conditions: CARD, CLUB, CGLB, ANY
      Gecode::VarImp<Gecode::Set::SetVarImpConf>::schedule(home,PC_SET_CARD,PC_SET_ANY,ME_SET_CARD);
      if (!Gecode::VarImp<Gecode::Set::SetVarImpConf>::advise(home,ME_SET_CARD,d))
        return ME_SET_FAILED;
      break;
    case ME_SET_LUB:
      // Conditions: CLUB, ANY
      Gecode::VarImp<Gecode::Set::SetVarImpConf>::schedule(home,PC_SET_CLUB,PC_SET_CLUB,ME_SET_LUB);
      Gecode::VarImp<Gecode::Set::SetVarImpConf>::schedule(home,PC_SET_ANY,PC_SET_ANY,ME_SET_LUB);
      if (!Gecode::VarImp<Gecode::Set::SetVarImpConf>::advise(home,ME_SET_LUB,d))
        return ME_SET_FAILED;
      break;
    case ME_SET_GLB:
      // Conditions: CGLB, ANY
      Gecode::VarImp<Gecode::Set::SetVarImpConf>::schedule(home,PC_SET_CGLB,PC_SET_ANY,ME_SET_GLB);
      if (!Gecode::VarImp<Gecode::Set::SetVarImpConf>::advise(home,ME_SET_GLB,d))
        return ME_SET_FAILED;
      break;
    case ME_SET_BB:
      // Conditions: CLUB, CGLB, ANY
      Gecode::VarImp<Gecode::Set::SetVarImpConf>::schedule(home,PC_SET_CLUB,PC_SET_ANY,ME_SET_BB);
      if (!Gecode::VarImp<Gecode::Set::SetVarImpConf>::advise(home,ME_SET_BB,d))
        return ME_SET_FAILED;
      break;
    case ME_SET_CLUB:
      // Conditions: CARD, CLUB, CGLB, ANY
      Gecode::VarImp<Gecode::Set::SetVarImpConf>::schedule(home,PC_SET_CARD,PC_SET_ANY,ME_SET_CLUB);
      if (!Gecode::VarImp<Gecode::Set::SetVarImpConf>::advise(home,ME_SET_CLUB,d))
        return ME_SET_FAILED;
      break;
    case ME_SET_CGLB:
      // Conditions: CARD, CLUB, CGLB, ANY
      Gecode::VarImp<Gecode::Set::SetVarImpConf>::schedule(home,PC_SET_CARD,PC_SET_ANY,ME_SET_CGLB);
      if (!Gecode::VarImp<Gecode::Set::SetVarImpConf>::advise(home,ME_SET_CGLB,d))
        return ME_SET_FAILED;
      break;
    case ME_SET_CBB:
      // Conditions: CARD, CLUB, CGLB, ANY
      Gecode::VarImp<Gecode::Set::SetVarImpConf>::schedule(home,PC_SET_CARD,PC_SET_ANY,ME_SET_CBB);
      if (!Gecode::VarImp<Gecode::Set::SetVarImpConf>::advise(home,ME_SET_CBB,d))
        return ME_SET_FAILED;
      break;
    default: GECODE_NEVER;
    }
    return me;
  }
 
}}
#endif
#ifdef GECODE_HAS_FLOAT_VARS
namespace Gecode { namespace Float {
 
  forceinline
  FloatVarImpBase::FloatVarImpBase(void) {}
 
  forceinline
  FloatVarImpBase::FloatVarImpBase(Gecode::Space& home)
    : Gecode::VarImp<Gecode::Float::FloatVarImpConf>(home) {}
 
  forceinline
  FloatVarImpBase::FloatVarImpBase(Gecode::Space& home, FloatVarImpBase& x)
    : Gecode::VarImp<Gecode::Float::FloatVarImpConf>(home,x) {}
 
  forceinline void
  FloatVarImpBase::subscribe(Gecode::Space& home, Gecode::Propagator& p, Gecode::PropCond pc, bool assigned, bool schedule) {
    Gecode::VarImp<Gecode::Float::FloatVarImpConf>::subscribe(home,p,pc,assigned,ME_FLOAT_BND,schedule);
  }
  forceinline void
  FloatVarImpBase::subscribe(Gecode::Space& home, Gecode::Advisor& a, bool assigned, bool failed) {
    Gecode::VarImp<Gecode::Float::FloatVarImpConf>::subscribe(home,a,assigned,failed);
  }
 
  forceinline void
  FloatVarImpBase::schedule(Gecode::Space& home, Gecode::Propagator& p, Gecode::ModEvent me) {
    Gecode::VarImp<Gecode::Float::FloatVarImpConf>::schedule(home,p,me);
  }
  forceinline void
  FloatVarImpBase::reschedule(Gecode::Space& home, Gecode::Propagator& p, Gecode::PropCond pc, bool assigned) {
    Gecode::VarImp<Gecode::Float::FloatVarImpConf>::reschedule(home,p,pc,assigned,ME_FLOAT_BND);
  }
 
  forceinline Gecode::ModEvent
  FloatVarImpBase::notify(Gecode::Space& home, Gecode::ModEvent me, Gecode::Delta& d) {
    switch (me) {
    case ME_FLOAT_VAL:
      // Conditions: VAL, BND
      Gecode::VarImp<Gecode::Float::FloatVarImpConf>::schedule(home,PC_FLOAT_VAL,PC_FLOAT_BND,ME_FLOAT_VAL);
      if (!Gecode::VarImp<Gecode::Float::FloatVarImpConf>::advise(home,ME_FLOAT_VAL,d))
        return ME_FLOAT_FAILED;
      cancel(home);
      break;
    case ME_FLOAT_BND:
      // Conditions: BND
      Gecode::VarImp<Gecode::Float::FloatVarImpConf>::schedule(home,PC_FLOAT_BND,PC_FLOAT_BND,ME_FLOAT_BND);
      if (!Gecode::VarImp<Gecode::Float::FloatVarImpConf>::advise(home,ME_FLOAT_BND,d))
        return ME_FLOAT_FAILED;
      break;
    default: GECODE_NEVER;
    }
    return me;
  }
 
}}
#endif
namespace Gecode {
 
  forceinline void
  Space::recover_noidx(void) {
    VarImp<NoIdxVarImpConf>* x =
      static_cast<VarImp<NoIdxVarImpConf>*>(pc.c.vars_noidx);
    while (x != nullptr) {
      VarImp<NoIdxVarImpConf>* n = x->next();
      x->b.base = nullptr; x->u.idx[0] = 0;
      if (sizeof(ActorLink**) > sizeof(unsigned int))
        *(1+&x->u.idx[0]) = 0;
      x = n;
    }
  }
 
  forceinline void
  Space::update(ActorLink** sub) {
#ifdef GECODE_HAS_INT_VARS
    Gecode::VarImp<Gecode::Int::IntVarImpConf>::update(*this,sub);
#endif
#ifdef GECODE_HAS_INT_VARS
    Gecode::VarImp<Gecode::Int::BoolVarImpConf>::update(*this,sub);
#endif
#ifdef GECODE_HAS_SET_VARS
    Gecode::VarImp<Gecode::Set::SetVarImpConf>::update(*this,sub);
#endif
#ifdef GECODE_HAS_FLOAT_VARS
    Gecode::VarImp<Gecode::Float::FloatVarImpConf>::update(*this,sub);
#endif
  }
 
  forceinline void
  Space::recover(Space& source) {
    ActorLink* clone_lists[2] = {&pl, &bl};
    for (int i=0; i<2; i++) {
      ActorLink* l = clone_lists[i];
      ActorLink* c = l->next();
      while (c != l) {
        ActorLink* n = c->next();
        (void) Actor::cast(c)->dispose(*this);
        c = n;
      }
      l->init();
    }
    while (pc.c.local != nullptr) {
      LocalObject* l = pc.c.local;
      ActorLink* n = l->next();
      pc.c.local = (n == nullptr) ? nullptr : LocalObject::cast(n);
      ActorLink* fwd = l->prev();
      if (fwd != nullptr) {
        (void) Actor::cast(fwd)->dispose(*this);
        l->prev(nullptr);
      }
    }
 
    ActorLink* lists[2] = {&source.pl, &source.bl};
    for (int i=0; i<2; i++) {
      ActorLink* l = lists[i];
      ActorLink* p_a = l;
      ActorLink* c_a = p_a->next();
      while (c_a != l) {
        if (i == 0) {
          Propagator* p = Propagator::cast(c_a);
          if (p->u.advisors != nullptr) {
            ActorLink* a = p->u.advisors;
            p->u.advisors = nullptr;
            do {
              a->prev(p); a = a->next();
            } while (a != nullptr);
          }
        }
        ActorLink* fwd = c_a->prev();
        if (fwd != p_a) {
          c_a->prev(p_a);
        }
        p_a = c_a; c_a = c_a->next();
      }
    }
 
    ActorLink** sub = static_cast<ActorLink**>(mm.subscriptions());
    recover_noidx();
#ifdef GECODE_HAS_INT_VARS
    Gecode::VarImp<Gecode::Int::IntVarImpConf>::recover(*this,sub);
#endif
#ifdef GECODE_HAS_INT_VARS
    Gecode::VarImp<Gecode::Int::BoolVarImpConf>::recover(*this,sub);
#endif
#ifdef GECODE_HAS_SET_VARS
    Gecode::VarImp<Gecode::Set::SetVarImpConf>::recover(*this,sub);
#endif
#ifdef GECODE_HAS_FLOAT_VARS
    Gecode::VarImp<Gecode::Float::FloatVarImpConf>::recover(*this,sub);
#endif
  }
}
// STATISTICS: kernel-var