var-type.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 {

  const Gecode::ModEvent ME_INT_FAILED = Gecode::ME_GEN_FAILED;
  const Gecode::ModEvent ME_INT_NONE = Gecode::ME_GEN_NONE;
  const Gecode::ModEvent ME_INT_VAL = Gecode::ME_GEN_ASSIGNED;
  const Gecode::ModEvent ME_INT_BND = Gecode::ME_GEN_ASSIGNED + 1;
  const Gecode::ModEvent ME_INT_DOM = Gecode::ME_GEN_ASSIGNED + 2;
  const Gecode::PropCond PC_INT_NONE = Gecode::PC_GEN_NONE;
  const Gecode::PropCond PC_INT_VAL = Gecode::PC_GEN_ASSIGNED;
  const Gecode::PropCond PC_INT_BND = Gecode::PC_GEN_ASSIGNED + 1;
  const Gecode::PropCond PC_INT_DOM = Gecode::PC_GEN_ASSIGNED + 2;
}}
#endif
#ifdef GECODE_HAS_INT_VARS
namespace Gecode { namespace Int {

  const Gecode::ModEvent ME_BOOL_FAILED = Gecode::ME_GEN_FAILED;
  const Gecode::ModEvent ME_BOOL_NONE = Gecode::ME_GEN_NONE;
  const Gecode::ModEvent ME_BOOL_VAL = Gecode::ME_GEN_ASSIGNED;
  const Gecode::PropCond PC_BOOL_NONE = Gecode::PC_GEN_NONE;
  const Gecode::PropCond PC_BOOL_VAL = Gecode::PC_GEN_ASSIGNED;
}}
#endif
#ifdef GECODE_HAS_SET_VARS
namespace Gecode { namespace Set {

  const Gecode::ModEvent ME_SET_FAILED = Gecode::ME_GEN_FAILED;
  const Gecode::ModEvent ME_SET_NONE = Gecode::ME_GEN_NONE;
  const Gecode::ModEvent ME_SET_VAL = Gecode::ME_GEN_ASSIGNED;
  const Gecode::ModEvent ME_SET_CARD = Gecode::ME_GEN_ASSIGNED + 1;
  const Gecode::ModEvent ME_SET_LUB = Gecode::ME_GEN_ASSIGNED + 2;
  const Gecode::ModEvent ME_SET_GLB = Gecode::ME_GEN_ASSIGNED + 3;
  const Gecode::ModEvent ME_SET_BB = Gecode::ME_GEN_ASSIGNED + 4;
  const Gecode::ModEvent ME_SET_CLUB = Gecode::ME_GEN_ASSIGNED + 5;
  const Gecode::ModEvent ME_SET_CGLB = Gecode::ME_GEN_ASSIGNED + 6;
  const Gecode::ModEvent ME_SET_CBB = Gecode::ME_GEN_ASSIGNED + 7;
  const Gecode::PropCond PC_SET_NONE = Gecode::PC_GEN_NONE;
  const Gecode::PropCond PC_SET_VAL = Gecode::PC_GEN_ASSIGNED;
  const Gecode::PropCond PC_SET_CARD = Gecode::PC_GEN_ASSIGNED + 1;
  const Gecode::PropCond PC_SET_CLUB = Gecode::PC_GEN_ASSIGNED + 2;
  const Gecode::PropCond PC_SET_CGLB = Gecode::PC_GEN_ASSIGNED + 3;
  const Gecode::PropCond PC_SET_ANY = Gecode::PC_GEN_ASSIGNED + 4;
}}
#endif
#ifdef GECODE_HAS_FLOAT_VARS
namespace Gecode { namespace Float {

  const Gecode::ModEvent ME_FLOAT_FAILED = Gecode::ME_GEN_FAILED;
  const Gecode::ModEvent ME_FLOAT_NONE = Gecode::ME_GEN_NONE;
  const Gecode::ModEvent ME_FLOAT_VAL = Gecode::ME_GEN_ASSIGNED;
  const Gecode::ModEvent ME_FLOAT_BND = Gecode::ME_GEN_ASSIGNED + 1;
  const Gecode::PropCond PC_FLOAT_NONE = Gecode::PC_GEN_NONE;
  const Gecode::PropCond PC_FLOAT_VAL = Gecode::PC_GEN_ASSIGNED;
  const Gecode::PropCond PC_FLOAT_BND = Gecode::PC_GEN_ASSIGNED + 1;
}}
#endif
#ifdef GECODE_HAS_INT_VARS
namespace Gecode { namespace Int {
  class IntVarImpConf {
  public:
    static const int idx_c = 0;
    static const int idx_d = -1;
    static const Gecode::PropCond pc_max = PC_INT_DOM;
    static const int free_bits = 0;
    static const int med_fst = 0;
    static const int med_lst = med_fst + 2;
    static const int med_mask = ((1 << 2) - 1) << med_fst;
    static Gecode::ModEvent me_combine(Gecode::ModEvent me1, Gecode::ModEvent me2);
    static bool med_update(Gecode::ModEventDelta& med, Gecode::ModEvent me);
  };
}}
#else
namespace Gecode { namespace Int {
  class IntVarImpConf {
  public:
    static const int idx_c = -1;
    static const int idx_d = -1;
    static const int med_lst = 0;
  };
}}
#endif
#ifdef GECODE_HAS_INT_VARS
namespace Gecode { namespace Int {
  class BoolVarImpConf {
  public:
    static const int idx_c = Gecode::Int::IntVarImpConf::idx_c+1;
    static const int idx_d = Gecode::Int::IntVarImpConf::idx_d;
    static const Gecode::PropCond pc_max = PC_BOOL_VAL;
    static const int free_bits = 2;
    static const int med_fst = Gecode::Int::IntVarImpConf::med_lst;
    static const int med_lst = med_fst + 1;
    static const int med_mask = ((1 << 1) - 1) << med_fst;
    static Gecode::ModEvent me_combine(Gecode::ModEvent me1, Gecode::ModEvent me2);
    static bool med_update(Gecode::ModEventDelta& med, Gecode::ModEvent me);
  };
}}
#else
namespace Gecode { namespace Int {
  class BoolVarImpConf {
  public:
    static const int idx_c = Gecode::Int::IntVarImpConf::idx_c;
    static const int idx_d = Gecode::Int::IntVarImpConf::idx_d;
    static const int med_lst = Gecode::Int::IntVarImpConf::med_lst;
  };
}}
#endif
#ifdef GECODE_HAS_SET_VARS
namespace Gecode { namespace Set {
  class SetVarImpConf {
  public:
    static const int idx_c = Gecode::Int::BoolVarImpConf::idx_c+1;
    static const int idx_d = Gecode::Int::BoolVarImpConf::idx_d;
    static const Gecode::PropCond pc_max = PC_SET_ANY;
    static const int free_bits = 0;
    static const int med_fst = Gecode::Int::BoolVarImpConf::med_lst;
    static const int med_lst = med_fst + 4;
    static const int med_mask = ((1 << 4) - 1) << med_fst;
    static Gecode::ModEvent me_combine(Gecode::ModEvent me1, Gecode::ModEvent me2);
    static bool med_update(Gecode::ModEventDelta& med, Gecode::ModEvent me);
  };
}}
#else
namespace Gecode { namespace Set {
  class SetVarImpConf {
  public:
    static const int idx_c = Gecode::Int::BoolVarImpConf::idx_c;
    static const int idx_d = Gecode::Int::BoolVarImpConf::idx_d;
    static const int med_lst = Gecode::Int::BoolVarImpConf::med_lst;
  };
}}
#endif
#ifdef GECODE_HAS_FLOAT_VARS
namespace Gecode { namespace Float {
  class FloatVarImpConf {
  public:
    static const int idx_c = Gecode::Set::SetVarImpConf::idx_c+1;
    static const int idx_d = Gecode::Set::SetVarImpConf::idx_d;
    static const Gecode::PropCond pc_max = PC_FLOAT_BND;
    static const int free_bits = 0;
    static const int med_fst = Gecode::Set::SetVarImpConf::med_lst;
    static const int med_lst = med_fst + 2;
    static const int med_mask = ((1 << 2) - 1) << med_fst;
    static Gecode::ModEvent me_combine(Gecode::ModEvent me1, Gecode::ModEvent me2);
    static bool med_update(Gecode::ModEventDelta& med, Gecode::ModEvent me);
  };
}}
#else
namespace Gecode { namespace Float {
  class FloatVarImpConf {
  public:
    static const int idx_c = Gecode::Set::SetVarImpConf::idx_c;
    static const int idx_d = Gecode::Set::SetVarImpConf::idx_d;
    static const int med_lst = Gecode::Set::SetVarImpConf::med_lst;
  };
}}
#endif
 
namespace Gecode {

  class AllVarConf {
  public:
    static const int idx_c = Gecode::Float::FloatVarImpConf::idx_c+1;
    static const int idx_d = Gecode::Float::FloatVarImpConf::idx_d+1;
    static ModEventDelta med_combine(ModEventDelta med1, ModEventDelta med2);
  };
 
}
 
#ifdef GECODE_HAS_INT_VARS
namespace Gecode { namespace Int {
  forceinline Gecode::ModEvent
  IntVarImpConf::me_combine(Gecode::ModEvent me1, Gecode::ModEvent me2) {
    static const Gecode::ModEvent me_c = (
      (
        (ME_INT_NONE <<  0) |  // [ME_INT_NONE][ME_INT_NONE]
        (ME_INT_VAL  <<  2) |  // [ME_INT_NONE][ME_INT_VAL ]
        (ME_INT_BND  <<  4) |  // [ME_INT_NONE][ME_INT_BND ]
        (ME_INT_DOM  <<  6)    // [ME_INT_NONE][ME_INT_DOM ]
      ) |
      (
        (ME_INT_VAL  <<  8) |  // [ME_INT_VAL ][ME_INT_NONE]
        (ME_INT_VAL  << 10) |  // [ME_INT_VAL ][ME_INT_VAL ]
        (ME_INT_VAL  << 12) |  // [ME_INT_VAL ][ME_INT_BND ]
        (ME_INT_VAL  << 14)    // [ME_INT_VAL ][ME_INT_DOM ]
      ) |
      (
        (ME_INT_BND  << 16) |  // [ME_INT_BND ][ME_INT_NONE]
        (ME_INT_VAL  << 18) |  // [ME_INT_BND ][ME_INT_VAL ]
        (ME_INT_BND  << 20) |  // [ME_INT_BND ][ME_INT_BND ]
        (ME_INT_BND  << 22)    // [ME_INT_BND ][ME_INT_DOM ]
      ) |
      (
        (ME_INT_DOM  << 24) |  // [ME_INT_DOM ][ME_INT_NONE]
        (ME_INT_VAL  << 26) |  // [ME_INT_DOM ][ME_INT_VAL ]
        (ME_INT_BND  << 28) |  // [ME_INT_DOM ][ME_INT_BND ]
        (ME_INT_DOM  << 30)    // [ME_INT_DOM ][ME_INT_DOM ]
      )
    );
    return ((me_c >> (me2 << 3)) >> (me1 << 1)) & 3;
  }
  forceinline bool
  IntVarImpConf::med_update(Gecode::ModEventDelta& med, Gecode::ModEvent me) {
    switch (me) {
    case ME_INT_NONE:
      return false;
    case ME_INT_VAL:
      {
        Gecode::ModEventDelta med_int = med & med_mask;
        if (med_int == (ME_INT_VAL << med_fst))
          return false;
        med ^= med_int;
        med ^= ME_INT_VAL << med_fst;
        break;
      }
    case ME_INT_BND:
      {
        static const Gecode::ModEvent me_c = (
          ((ME_INT_NONE ^ ME_INT_BND ) <<  0) |
          ((ME_INT_VAL  ^ ME_INT_VAL ) <<  4) |
          ((ME_INT_BND  ^ ME_INT_BND ) <<  8) |
          ((ME_INT_DOM  ^ ME_INT_BND ) << 12)
        );
        Gecode::ModEvent me_o = (med & med_mask) >> med_fst;
        Gecode::ModEvent me_n = (me_c >> (me_o << 2)) & (med_mask >> med_fst);
        if (me_n == 0)
          return false;
        med ^= me_n << med_fst;
        break;
      }
    case ME_INT_DOM:
      {
        Gecode::ModEventDelta med_int = med & med_mask;
        if (med_int != 0)
          return false;
        med |= ME_INT_DOM << med_fst;
        break;
      }
    default: GECODE_NEVER;
    }
    return true;
  }
 
}}
#endif
#ifdef GECODE_HAS_INT_VARS
namespace Gecode { namespace Int {
  forceinline Gecode::ModEvent
  BoolVarImpConf::me_combine(Gecode::ModEvent me1, Gecode::ModEvent me2) {
    return me1 | me2;
  }
  forceinline bool
  BoolVarImpConf::med_update(Gecode::ModEventDelta& med, Gecode::ModEvent me) {
    switch (me) {
    case ME_BOOL_NONE:
      return false;
    case ME_BOOL_VAL:
      if ((med & (ME_BOOL_VAL << med_fst)) != 0)
        return false;
      med |= ME_BOOL_VAL << med_fst;
      break;
    default: GECODE_NEVER;
    }
    return true;
  }
 
}}
#endif
#ifdef GECODE_HAS_SET_VARS
namespace Gecode { namespace Set {
  forceinline Gecode::ModEvent
  SetVarImpConf::me_combine(Gecode::ModEvent me1, Gecode::ModEvent me2) {
    static const Gecode::ModEvent me_c[ME_SET_CBB+1][ME_SET_CBB+1] = {
      {
        ME_SET_NONE, // [ME_SET_NONE][ME_SET_NONE]
        ME_SET_VAL , // [ME_SET_NONE][ME_SET_VAL ]
        ME_SET_CARD, // [ME_SET_NONE][ME_SET_CARD]
        ME_SET_LUB , // [ME_SET_NONE][ME_SET_LUB ]
        ME_SET_GLB , // [ME_SET_NONE][ME_SET_GLB ]
        ME_SET_BB  , // [ME_SET_NONE][ME_SET_BB  ]
        ME_SET_CLUB, // [ME_SET_NONE][ME_SET_CLUB]
        ME_SET_CGLB, // [ME_SET_NONE][ME_SET_CGLB]
        ME_SET_CBB   // [ME_SET_NONE][ME_SET_CBB ]
      },
      {
        ME_SET_VAL , // [ME_SET_VAL ][ME_SET_NONE]
        ME_SET_VAL , // [ME_SET_VAL ][ME_SET_VAL ]
        ME_SET_VAL , // [ME_SET_VAL ][ME_SET_CARD]
        ME_SET_VAL , // [ME_SET_VAL ][ME_SET_LUB ]
        ME_SET_VAL , // [ME_SET_VAL ][ME_SET_GLB ]
        ME_SET_VAL , // [ME_SET_VAL ][ME_SET_BB  ]
        ME_SET_VAL , // [ME_SET_VAL ][ME_SET_CLUB]
        ME_SET_VAL , // [ME_SET_VAL ][ME_SET_CGLB]
        ME_SET_VAL   // [ME_SET_VAL ][ME_SET_CBB ]
      },
      {
        ME_SET_CARD, // [ME_SET_CARD][ME_SET_NONE]
        ME_SET_VAL , // [ME_SET_CARD][ME_SET_VAL ]
        ME_SET_CARD, // [ME_SET_CARD][ME_SET_CARD]
        ME_SET_CLUB, // [ME_SET_CARD][ME_SET_LUB ]
        ME_SET_CGLB, // [ME_SET_CARD][ME_SET_GLB ]
        ME_SET_CBB , // [ME_SET_CARD][ME_SET_BB  ]
        ME_SET_CLUB, // [ME_SET_CARD][ME_SET_CLUB]
        ME_SET_CGLB, // [ME_SET_CARD][ME_SET_CGLB]
        ME_SET_CBB   // [ME_SET_CARD][ME_SET_CBB ]
      },
      {
        ME_SET_LUB , // [ME_SET_LUB ][ME_SET_NONE]
        ME_SET_VAL , // [ME_SET_LUB ][ME_SET_VAL ]
        ME_SET_CLUB, // [ME_SET_LUB ][ME_SET_CARD]
        ME_SET_LUB , // [ME_SET_LUB ][ME_SET_LUB ]
        ME_SET_BB  , // [ME_SET_LUB ][ME_SET_GLB ]
        ME_SET_BB  , // [ME_SET_LUB ][ME_SET_BB  ]
        ME_SET_CLUB, // [ME_SET_LUB ][ME_SET_CLUB]
        ME_SET_CBB , // [ME_SET_LUB ][ME_SET_CGLB]
        ME_SET_CBB   // [ME_SET_LUB ][ME_SET_CBB ]
      },
      {
        ME_SET_GLB , // [ME_SET_GLB ][ME_SET_NONE]
        ME_SET_VAL , // [ME_SET_GLB ][ME_SET_VAL ]
        ME_SET_CGLB, // [ME_SET_GLB ][ME_SET_CARD]
        ME_SET_BB  , // [ME_SET_GLB ][ME_SET_LUB ]
        ME_SET_GLB , // [ME_SET_GLB ][ME_SET_GLB ]
        ME_SET_BB  , // [ME_SET_GLB ][ME_SET_BB  ]
        ME_SET_CBB , // [ME_SET_GLB ][ME_SET_CLUB]
        ME_SET_CGLB, // [ME_SET_GLB ][ME_SET_CGLB]
        ME_SET_CBB   // [ME_SET_GLB ][ME_SET_CBB ]
      },
      {
        ME_SET_BB  , // [ME_SET_BB  ][ME_SET_NONE]
        ME_SET_VAL , // [ME_SET_BB  ][ME_SET_VAL ]
        ME_SET_CBB , // [ME_SET_BB  ][ME_SET_CARD]
        ME_SET_BB  , // [ME_SET_BB  ][ME_SET_LUB ]
        ME_SET_BB  , // [ME_SET_BB  ][ME_SET_GLB ]
        ME_SET_BB  , // [ME_SET_BB  ][ME_SET_BB  ]
        ME_SET_CBB , // [ME_SET_BB  ][ME_SET_CLUB]
        ME_SET_CBB , // [ME_SET_BB  ][ME_SET_CGLB]
        ME_SET_CBB   // [ME_SET_BB  ][ME_SET_CBB ]
      },
      {
        ME_SET_CLUB, // [ME_SET_CLUB][ME_SET_NONE]
        ME_SET_VAL , // [ME_SET_CLUB][ME_SET_VAL ]
        ME_SET_CLUB, // [ME_SET_CLUB][ME_SET_CARD]
        ME_SET_CLUB, // [ME_SET_CLUB][ME_SET_LUB ]
        ME_SET_CBB , // [ME_SET_CLUB][ME_SET_GLB ]
        ME_SET_CBB , // [ME_SET_CLUB][ME_SET_BB  ]
        ME_SET_CLUB, // [ME_SET_CLUB][ME_SET_CLUB]
        ME_SET_CBB , // [ME_SET_CLUB][ME_SET_CGLB]
        ME_SET_CBB   // [ME_SET_CLUB][ME_SET_CBB ]
      },
      {
        ME_SET_CGLB, // [ME_SET_CGLB][ME_SET_NONE]
        ME_SET_VAL , // [ME_SET_CGLB][ME_SET_VAL ]
        ME_SET_CGLB, // [ME_SET_CGLB][ME_SET_CARD]
        ME_SET_CBB , // [ME_SET_CGLB][ME_SET_LUB ]
        ME_SET_CGLB, // [ME_SET_CGLB][ME_SET_GLB ]
        ME_SET_CBB , // [ME_SET_CGLB][ME_SET_BB  ]
        ME_SET_CBB , // [ME_SET_CGLB][ME_SET_CLUB]
        ME_SET_CGLB, // [ME_SET_CGLB][ME_SET_CGLB]
        ME_SET_CBB   // [ME_SET_CGLB][ME_SET_CBB ]
      },
      {
        ME_SET_CBB , // [ME_SET_CBB ][ME_SET_NONE]
        ME_SET_VAL , // [ME_SET_CBB ][ME_SET_VAL ]
        ME_SET_CBB , // [ME_SET_CBB ][ME_SET_CARD]
        ME_SET_CBB , // [ME_SET_CBB ][ME_SET_LUB ]
        ME_SET_CBB , // [ME_SET_CBB ][ME_SET_GLB ]
        ME_SET_CBB , // [ME_SET_CBB ][ME_SET_BB  ]
        ME_SET_CBB , // [ME_SET_CBB ][ME_SET_CLUB]
        ME_SET_CBB , // [ME_SET_CBB ][ME_SET_CGLB]
        ME_SET_CBB   // [ME_SET_CBB ][ME_SET_CBB ]
      }
    };
    return me_c[me1][me2];
  }
  forceinline bool
  SetVarImpConf::med_update(Gecode::ModEventDelta& med, Gecode::ModEvent me) {
    switch (me) {
    case ME_SET_NONE:
      return false;
    case ME_SET_VAL:
      {
        Gecode::ModEventDelta med_set = med & med_mask;
        if (med_set == (ME_SET_VAL << med_fst))
          return false;
        med ^= med_set;
        med ^= ME_SET_VAL << med_fst;
        break;
      }
    case ME_SET_CARD:
      {
        static const Gecode::ModEventDelta me_c[ME_SET_CBB+1] = {
          (ME_SET_NONE ^ ME_SET_CARD) << med_fst,
          (ME_SET_VAL  ^ ME_SET_VAL ) << med_fst,
          (ME_SET_CARD ^ ME_SET_CARD) << med_fst,
          (ME_SET_LUB  ^ ME_SET_CLUB) << med_fst,
          (ME_SET_GLB  ^ ME_SET_CGLB) << med_fst,
          (ME_SET_BB   ^ ME_SET_CBB ) << med_fst,
          (ME_SET_CLUB ^ ME_SET_CLUB) << med_fst,
          (ME_SET_CGLB ^ ME_SET_CGLB) << med_fst,
          (ME_SET_CBB  ^ ME_SET_CBB ) << med_fst
        };
        Gecode::ModEvent me_o = (med & med_mask) >> med_fst;
        Gecode::ModEventDelta med_n = me_c[me_o];
        if (med_n == 0)
          return false;
        med ^= med_n;
        break;
      }
    case ME_SET_LUB:
      {
        static const Gecode::ModEventDelta me_c[ME_SET_CBB+1] = {
          (ME_SET_NONE ^ ME_SET_LUB ) << med_fst,
          (ME_SET_VAL  ^ ME_SET_VAL ) << med_fst,
          (ME_SET_CARD ^ ME_SET_CLUB) << med_fst,
          (ME_SET_LUB  ^ ME_SET_LUB ) << med_fst,
          (ME_SET_GLB  ^ ME_SET_BB  ) << med_fst,
          (ME_SET_BB   ^ ME_SET_BB  ) << med_fst,
          (ME_SET_CLUB ^ ME_SET_CLUB) << med_fst,
          (ME_SET_CGLB ^ ME_SET_CBB ) << med_fst,
          (ME_SET_CBB  ^ ME_SET_CBB ) << med_fst
        };
        Gecode::ModEvent me_o = (med & med_mask) >> med_fst;
        Gecode::ModEventDelta med_n = me_c[me_o];
        if (med_n == 0)
          return false;
        med ^= med_n;
        break;
      }
    case ME_SET_GLB:
      {
        static const Gecode::ModEventDelta me_c[ME_SET_CBB+1] = {
          (ME_SET_NONE ^ ME_SET_GLB ) << med_fst,
          (ME_SET_VAL  ^ ME_SET_VAL ) << med_fst,
          (ME_SET_CARD ^ ME_SET_CGLB) << med_fst,
          (ME_SET_LUB  ^ ME_SET_BB  ) << med_fst,
          (ME_SET_GLB  ^ ME_SET_GLB ) << med_fst,
          (ME_SET_BB   ^ ME_SET_BB  ) << med_fst,
          (ME_SET_CLUB ^ ME_SET_CBB ) << med_fst,
          (ME_SET_CGLB ^ ME_SET_CGLB) << med_fst,
          (ME_SET_CBB  ^ ME_SET_CBB ) << med_fst
        };
        Gecode::ModEvent me_o = (med & med_mask) >> med_fst;
        Gecode::ModEventDelta med_n = me_c[me_o];
        if (med_n == 0)
          return false;
        med ^= med_n;
        break;
      }
    case ME_SET_BB:
      {
        static const Gecode::ModEventDelta me_c[ME_SET_CBB+1] = {
          (ME_SET_NONE ^ ME_SET_BB  ) << med_fst,
          (ME_SET_VAL  ^ ME_SET_VAL ) << med_fst,
          (ME_SET_CARD ^ ME_SET_CBB ) << med_fst,
          (ME_SET_LUB  ^ ME_SET_BB  ) << med_fst,
          (ME_SET_GLB  ^ ME_SET_BB  ) << med_fst,
          (ME_SET_BB   ^ ME_SET_BB  ) << med_fst,
          (ME_SET_CLUB ^ ME_SET_CBB ) << med_fst,
          (ME_SET_CGLB ^ ME_SET_CBB ) << med_fst,
          (ME_SET_CBB  ^ ME_SET_CBB ) << med_fst
        };
        Gecode::ModEvent me_o = (med & med_mask) >> med_fst;
        Gecode::ModEventDelta med_n = me_c[me_o];
        if (med_n == 0)
          return false;
        med ^= med_n;
        break;
      }
    case ME_SET_CLUB:
      {
        static const Gecode::ModEventDelta me_c[ME_SET_CBB+1] = {
          (ME_SET_NONE ^ ME_SET_CLUB) << med_fst,
          (ME_SET_VAL  ^ ME_SET_VAL ) << med_fst,
          (ME_SET_CARD ^ ME_SET_CLUB) << med_fst,
          (ME_SET_LUB  ^ ME_SET_CLUB) << med_fst,
          (ME_SET_GLB  ^ ME_SET_CBB ) << med_fst,
          (ME_SET_BB   ^ ME_SET_CBB ) << med_fst,
          (ME_SET_CLUB ^ ME_SET_CLUB) << med_fst,
          (ME_SET_CGLB ^ ME_SET_CBB ) << med_fst,
          (ME_SET_CBB  ^ ME_SET_CBB ) << med_fst
        };
        Gecode::ModEvent me_o = (med & med_mask) >> med_fst;
        Gecode::ModEventDelta med_n = me_c[me_o];
        if (med_n == 0)
          return false;
        med ^= med_n;
        break;
      }
    case ME_SET_CGLB:
      {
        static const Gecode::ModEventDelta me_c[ME_SET_CBB+1] = {
          (ME_SET_NONE ^ ME_SET_CGLB) << med_fst,
          (ME_SET_VAL  ^ ME_SET_VAL ) << med_fst,
          (ME_SET_CARD ^ ME_SET_CGLB) << med_fst,
          (ME_SET_LUB  ^ ME_SET_CBB ) << med_fst,
          (ME_SET_GLB  ^ ME_SET_CGLB) << med_fst,
          (ME_SET_BB   ^ ME_SET_CBB ) << med_fst,
          (ME_SET_CLUB ^ ME_SET_CBB ) << med_fst,
          (ME_SET_CGLB ^ ME_SET_CGLB) << med_fst,
          (ME_SET_CBB  ^ ME_SET_CBB ) << med_fst
        };
        Gecode::ModEvent me_o = (med & med_mask) >> med_fst;
        Gecode::ModEventDelta med_n = me_c[me_o];
        if (med_n == 0)
          return false;
        med ^= med_n;
        break;
      }
    case ME_SET_CBB:
      {
        static const Gecode::ModEventDelta me_c[ME_SET_CBB+1] = {
          (ME_SET_NONE ^ ME_SET_CBB ) << med_fst,
          (ME_SET_VAL  ^ ME_SET_VAL ) << med_fst,
          (ME_SET_CARD ^ ME_SET_CBB ) << med_fst,
          (ME_SET_LUB  ^ ME_SET_CBB ) << med_fst,
          (ME_SET_GLB  ^ ME_SET_CBB ) << med_fst,
          (ME_SET_BB   ^ ME_SET_CBB ) << med_fst,
          (ME_SET_CLUB ^ ME_SET_CBB ) << med_fst,
          (ME_SET_CGLB ^ ME_SET_CBB ) << med_fst,
          (ME_SET_CBB  ^ ME_SET_CBB ) << med_fst
        };
        Gecode::ModEvent me_o = (med & med_mask) >> med_fst;
        Gecode::ModEventDelta med_n = me_c[me_o];
        if (med_n == 0)
          return false;
        med ^= med_n;
        break;
      }
    default: GECODE_NEVER;
    }
    return true;
  }
 
}}
#endif
#ifdef GECODE_HAS_FLOAT_VARS
namespace Gecode { namespace Float {
  forceinline Gecode::ModEvent
  FloatVarImpConf::me_combine(Gecode::ModEvent me1, Gecode::ModEvent me2) {
    static const Gecode::ModEvent me_c = (
      (
        (ME_FLOAT_NONE <<  0) |  // [ME_FLOAT_NONE][ME_FLOAT_NONE]
        (ME_FLOAT_VAL  <<  2) |  // [ME_FLOAT_NONE][ME_FLOAT_VAL ]
        (ME_FLOAT_BND  <<  4)    // [ME_FLOAT_NONE][ME_FLOAT_BND ]
      ) |
      (
        (ME_FLOAT_VAL  <<  8) |  // [ME_FLOAT_VAL ][ME_FLOAT_NONE]
        (ME_FLOAT_VAL  << 10) |  // [ME_FLOAT_VAL ][ME_FLOAT_VAL ]
        (ME_FLOAT_VAL  << 12)    // [ME_FLOAT_VAL ][ME_FLOAT_BND ]
      ) |
      (
        (ME_FLOAT_BND  << 16) |  // [ME_FLOAT_BND ][ME_FLOAT_NONE]
        (ME_FLOAT_VAL  << 18) |  // [ME_FLOAT_BND ][ME_FLOAT_VAL ]
        (ME_FLOAT_BND  << 20)    // [ME_FLOAT_BND ][ME_FLOAT_BND ]
      )
    );
    return ((me_c >> (me2 << 3)) >> (me1 << 1)) & 3;
  }
  forceinline bool
  FloatVarImpConf::med_update(Gecode::ModEventDelta& med, Gecode::ModEvent me) {
    switch (me) {
    case ME_FLOAT_NONE:
      return false;
    case ME_FLOAT_VAL:
      {
        Gecode::ModEventDelta med_float = med & med_mask;
        if (med_float == (ME_FLOAT_VAL << med_fst))
          return false;
        med ^= med_float;
        med ^= ME_FLOAT_VAL << med_fst;
        break;
      }
    case ME_FLOAT_BND:
      {
        Gecode::ModEventDelta med_float = med & med_mask;
        if (med_float != 0)
          return false;
        med |= ME_FLOAT_BND << med_fst;
        break;
      }
    default: GECODE_NEVER;
    }
    return true;
  }
 
}}
#endif
namespace Gecode {
  forceinline ModEventDelta
  AllVarConf::med_combine(ModEventDelta med1, ModEventDelta med2) {
#ifdef GECODE_HAS_INT_VARS
    (void) Gecode::Int::IntVarImpConf::med_update(med1,(med2 & Gecode::Int::IntVarImpConf::med_mask) >> Gecode::Int::IntVarImpConf::med_fst);
#endif
#ifdef GECODE_HAS_INT_VARS
    (void) Gecode::Int::BoolVarImpConf::med_update(med1,(med2 & Gecode::Int::BoolVarImpConf::med_mask) >> Gecode::Int::BoolVarImpConf::med_fst);
#endif
#ifdef GECODE_HAS_SET_VARS
    (void) Gecode::Set::SetVarImpConf::med_update(med1,(med2 & Gecode::Set::SetVarImpConf::med_mask) >> Gecode::Set::SetVarImpConf::med_fst);
#endif
#ifdef GECODE_HAS_FLOAT_VARS
    (void) Gecode::Float::FloatVarImpConf::med_update(med1,(med2 & Gecode::Float::FloatVarImpConf::med_mask) >> Gecode::Float::FloatVarImpConf::med_fst);
#endif
    return med1;
  }
}
 
// STATISTICS: kernel-var