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#include <functional>
namespace Gecode {
/// Function type for printing variable and value selection template<class Var, class Val> using VarValPrint = std::function<void(const Space& home, const Brancher& b, unsigned int a, Var x, int i, const Val& m, std::ostream& o)>; /// Class storing a print function template<class View, class Val> class BrancherPrint { public: /// The corresponding variable type typedef typename View::VarType Var; protected: SharedData<VarValPrint<Var,Val>> p; public: /// Initialize BrancherPrint(VarValPrint<Var,Val> vvp); /// Initialize during cloning BrancherPrint(BrancherPrint& bp); /// Whether printing is enabled operator bool(void) const; /// Invoke print function void operator ()(const Space& home, const Brancher& b, unsigned int a, View x, int i, const Val& m, std::ostream& o) const; /// Whether dispose must always be called (that is, notice is needed) bool notice(void) const; /// Delete void dispose(Space& home); };
/// Class without print function template<class View, class Val> class BrancherNoPrint { public: /// The corresponding variable type typedef typename View::VarType Var; public: /// Initialize BrancherNoPrint(VarValPrint<Var,Val> vvp); /// Initialize during cloning BrancherNoPrint(BrancherNoPrint& bp); /// Whether printing is enabled operator bool(void) const; /// Invoke print function void operator ()(const Space& home, const Brancher& b, unsigned int a, View x, int i, const Val& m, std::ostream& o) const; /// Whether dispose must always be called (that is, notice is needed) bool notice(void) const; /// Delete void dispose(Space& home); };
template<class View, class Val> forceinline BrancherPrint<View,Val>::BrancherPrint(VarValPrint<Var,Val> vvp) : p(vvp) { if (!vvp) throw Gecode::InvalidFunction("BrancherPrint::BrancherPrint"); } template<class View, class Val> forceinline BrancherPrint<View,Val>::BrancherPrint(BrancherPrint<View,Val>& bp) : p(bp.p) { }
template<class View, class Val> forceinline BrancherPrint<View,Val>::operator bool(void) const { return true; }
template<class View, class Val> forceinline void BrancherPrint<View,Val>::operator ()(const Space& home, const Brancher& b, unsigned int a, View x, int i, const Val& m, std::ostream& o) const { GECODE_VALID_FUNCTION(p()); Var xv(x.varimp()); p()(home,b,a,xv,i,m,o); }
template<class View, class Val> forceinline bool BrancherPrint<View,Val>::notice(void) const { return true; }
template<class View, class Val> forceinline void BrancherPrint<View,Val>::dispose(Space&) { p.~SharedData<VarValPrint<Var,Val>>(); }
template<class View, class Val> forceinline BrancherNoPrint<View,Val>::BrancherNoPrint(VarValPrint<Var,Val> vvp) { assert(!vvp); (void) vvp; } template<class View, class Val> forceinline BrancherNoPrint<View,Val>::BrancherNoPrint(BrancherNoPrint<View,Val>&) {}
template<class View, class Val> forceinline BrancherNoPrint<View,Val>::operator bool(void) const { return false; }
template<class View, class Val> forceinline void BrancherNoPrint<View,Val>::operator ()(const Space&, const Brancher&, unsigned int, View, int, const Val&, std::ostream&) const {} template<class View, class Val> forceinline bool BrancherNoPrint<View,Val>::notice(void) const { return false; }
template<class View, class Val> forceinline void BrancherNoPrint<View,Val>::dispose(Space&) {}
}
// STATISTICS: kernel-branch