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cached.hpp

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00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Guido Tack <tack@gecode.org>
00005  *
00006  *  Copyright:
00007  *     Guido Tack, 2011
00008  *
00009  *  Last modified:
00010  *     $Date: 2016-04-19 17:19:45 +0200 (Tue, 19 Apr 2016) $ by $Author: schulte $
00011  *     $Revision: 14967 $
00012  *
00013  *  This file is part of Gecode, the generic constraint
00014  *  development environment:
00015  *     http://www.gecode.org
00016  *
00017  *  Permission is hereby granted, free of charge, to any person obtaining
00018  *  a copy of this software and associated documentation files (the
00019  *  "Software"), to deal in the Software without restriction, including
00020  *  without limitation the rights to use, copy, modify, merge, publish,
00021  *  distribute, sublicense, and/or sell copies of the Software, and to
00022  *  permit persons to whom the Software is furnished to do so, subject to
00023  *  the following conditions:
00024  *
00025  *  The above copyright notice and this permission notice shall be
00026  *  included in all copies or substantial portions of the Software.
00027  *
00028  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00029  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00030  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00031  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00032  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00033  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00034  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00035  *
00036  */
00037 
00038 #include <sstream>
00039 
00040 namespace Gecode { namespace Set {
00041 
00042   template<class View>
00043   forceinline
00044   CachedView<View>::CachedView(void) {}
00045 
00046   template<class View>
00047   forceinline
00048   CachedView<View>::CachedView(const View& y)
00049     : DerivedView<View>(y) {}
00050 
00051   template<class View>
00052   forceinline unsigned int
00053   CachedView<View>::glbSize(void) const {
00054     return x.glbSize();
00055   }
00056 
00057   template<class View>
00058   forceinline unsigned int
00059   CachedView<View>::lubSize(void) const {
00060     return x.lubSize();
00061   }
00062 
00063   template<class View>
00064   forceinline unsigned int
00065   CachedView<View>::unknownSize(void) const {
00066     return x.unknownSize();
00067   }
00068 
00069   template<class View>
00070   forceinline bool
00071   CachedView<View>::contains(int n) const { return x.contains(n); }
00072 
00073   template<class View>
00074   forceinline bool
00075   CachedView<View>::notContains(int n) const { return x.notContains(n); }
00076 
00077   template<class View>
00078   forceinline unsigned int
00079   CachedView<View>::cardMin(void) const {
00080     return x.cardMin();
00081   }
00082 
00083   template<class View>
00084   forceinline unsigned int
00085   CachedView<View>::cardMax(void) const {
00086     return x.cardMax();
00087   }
00088 
00089   template<class View>
00090   forceinline int
00091   CachedView<View>::lubMin(void) const {
00092     return x.lubMin();
00093   }
00094 
00095   template<class View>
00096   forceinline int
00097   CachedView<View>::lubMax(void) const {
00098     return x.lubMax();
00099   }
00100 
00101   template<class View>
00102   forceinline int
00103   CachedView<View>::glbMin(void) const {
00104     return x.glbMin();
00105   }
00106 
00107   template<class View>
00108   forceinline int
00109   CachedView<View>::glbMax(void) const {
00110     return x.glbMax();
00111   }
00112 
00113   template<class View>
00114   forceinline ModEvent
00115   CachedView<View>::cardMin(Space& home, unsigned int m) {
00116     return x.cardMin(home,m);
00117   }
00118 
00119   template<class View>
00120   forceinline ModEvent
00121   CachedView<View>::cardMax(Space& home, unsigned int m) {
00122     return x.cardMax(home,m);
00123   }
00124 
00125   template<class View>
00126   forceinline ModEvent
00127   CachedView<View>::include(Space& home, int i) {
00128     return x.include(home,i);
00129   }
00130 
00131   template<class View>
00132   forceinline ModEvent
00133   CachedView<View>::exclude(Space& home, int i) {
00134     return x.exclude(home,i);
00135   }
00136 
00137   template<class View>
00138   forceinline ModEvent
00139   CachedView<View>::intersect(Space& home, int i) {
00140     return x.intersect(home,i);
00141   }
00142 
00143   template<class View>
00144   forceinline ModEvent
00145   CachedView<View>::intersect(Space& home, int i, int j) {
00146     return x.intersect(home,i,j);
00147   }
00148 
00149   template<class View>
00150   forceinline ModEvent
00151   CachedView<View>::include(Space& home, int i, int j) {
00152     return x.include(home,i,j);
00153   }
00154 
00155   template<class View>
00156   forceinline ModEvent
00157   CachedView<View>::exclude(Space& home, int i, int j) {
00158     return x.exclude(home,i,j);
00159   }
00160 
00161   template<class View>
00162   template<class I> ModEvent
00163   CachedView<View>::excludeI(Space& home,I& iter) {
00164     return x.excludeI(home,iter);
00165   }
00166 
00167   template<class View>
00168   template<class I> ModEvent
00169   CachedView<View>::includeI(Space& home,I& iter) {
00170     return x.includeI(home,iter);
00171   }
00172 
00173   template<class View>
00174   template<class I> ModEvent
00175   CachedView<View>::intersectI(Space& home,I& iter) {
00176     return x.intersectI(home,iter);
00177   }
00178 
00179   template<class View>
00180   forceinline void
00181   CachedView<View>::subscribe(Space& home, Propagator& p, PropCond pc,
00182                                   bool schedule) {
00183     x.subscribe(home,p,pc,schedule);
00184   }
00185 
00186   template<class View>
00187   forceinline void
00188   CachedView<View>::cancel(Space& home, Propagator& p, PropCond pc) {
00189     x.cancel(home,p,pc);
00190   }
00191 
00192   template<class View>
00193   forceinline void
00194   CachedView<View>::subscribe(Space& home, Advisor& a) {
00195     x.subscribe(home,a);
00196   }
00197 
00198   template<class View>
00199   forceinline void
00200   CachedView<View>::cancel(Space& home, Advisor& a) {
00201     x.cancel(home,a);
00202   }
00203 
00204   template<class View>
00205   forceinline void
00206   CachedView<View>::schedule(Space& home, Propagator& p, ModEvent me) {
00207     return View::schedule(home,p,me);
00208   }
00209   template<class View>
00210   forceinline ModEvent
00211   CachedView<View>::me(const ModEventDelta& med) {
00212     return View::me(med);
00213   }
00214 
00215   template<class View>
00216   forceinline ModEventDelta
00217   CachedView<View>::med(ModEvent me) {
00218     return View::med(me);
00219   }
00220 
00221   /*
00222    * Delta information for advisors
00223    *
00224    */
00225 
00226   template<class View>
00227   forceinline ModEvent
00228   CachedView<View>::modevent(const Delta& d) {
00229     return View::modevent(d);
00230   }
00231 
00232   template<class View>
00233   forceinline int
00234   CachedView<View>::glbMin(const Delta& d) const {
00235     return x.glbMin(d);
00236   }
00237 
00238   template<class View>
00239   forceinline int
00240   CachedView<View>::glbMax(const Delta& d) const {
00241     return x.glbMax(d);
00242   }
00243 
00244   template<class View>
00245   forceinline bool
00246   CachedView<View>::glbAny(const Delta& d) const {
00247     return x.glbAny(d);
00248   }
00249 
00250   template<class View>
00251   forceinline int
00252   CachedView<View>::lubMin(const Delta& d) const {
00253     return x.lubMin(d);
00254   }
00255 
00256   template<class View>
00257   forceinline int
00258   CachedView<View>::lubMax(const Delta& d) const {
00259     return x.lubMax(d);
00260   }
00261 
00262   template<class View>
00263   forceinline bool
00264   CachedView<View>::lubAny(const Delta& d) const {
00265     return x.lubAny(d);
00266   }
00267 
00268   template<class View>
00269   forceinline void
00270   CachedView<View>::update(Space& home, bool share, CachedView<View>& y) {
00271     lubCache.update(home,y.lubCache);
00272     glbCache.update(home,y.glbCache);
00273     DerivedView<View>::update(home,share,y);
00274   }
00275 
00276   /*
00277    * Cache operations
00278    *
00279    */
00280   template<class View>
00281   void
00282   CachedView<View>::initCache(Space& home,
00283                               const IntSet& glb, const IntSet& lub) {
00284      glbCache.init(home);
00285      IntSetRanges gr(glb);
00286      glbCache.includeI(home,gr);
00287      lubCache.init(home);
00288      IntSetRanges lr(lub);
00289      lubCache.intersectI(home,lr);
00290    }
00291 
00292   template<class View>
00293   forceinline void
00294   CachedView<View>::cacheGlb(Space& home) {
00295     GlbRanges<View> gr(DerivedView<View>::base());
00296     glbCache.includeI(home,gr);
00297   }
00298 
00299   template<class View>
00300   forceinline void
00301   CachedView<View>::cacheLub(Space& home) {
00302     LubRanges<View> lr(DerivedView<View>::base());
00303     lubCache.intersectI(home,lr);
00304   }
00305 
00306   template<class View>
00307   forceinline bool
00308   CachedView<View>::glbModified(void) const {
00309     return glbCache.size() != glbSize();
00310   }
00311 
00312   template<class View>
00313   forceinline bool
00314   CachedView<View>::lubModified(void) const {
00315     return lubCache.size() != lubSize();
00316   }
00317 
00322   template<class View>
00323   class LubRanges<CachedView<View> > : public LubRanges<View> {
00324   public:
00326 
00327 
00328     LubRanges(void) {}
00330     LubRanges(const CachedView<View>& x);
00332     void init(const CachedView<View>& x);
00334   };
00335 
00336   template<class View>
00337   forceinline
00338   LubRanges<CachedView<View> >::LubRanges(const CachedView<View>& s)
00339     : LubRanges<View>(s.base()) {}
00340 
00341   template<class View>
00342   forceinline void
00343   LubRanges<CachedView<View> >::init(const CachedView<View>& s) {
00344     LubRanges<View>::init(s.base());
00345   }
00346 
00351   template<class View>
00352   class GlbRanges<CachedView<View> > : public GlbRanges<View> {
00353   public:
00355 
00356 
00357     GlbRanges(void) {}
00359     GlbRanges(const CachedView<View> & x);
00361     void init(const CachedView<View> & x);
00363   };
00364 
00365   template<class View>
00366   forceinline
00367   GlbRanges<CachedView<View> >::GlbRanges(const CachedView<View> & s)
00368     : GlbRanges<View>(s.base()) {}
00369 
00370   template<class View>
00371   forceinline void
00372   GlbRanges<CachedView<View> >::init(const CachedView<View> & s) {
00373     GlbRanges<View>::init(s.base());
00374   }
00375 
00376   template<class Char, class Traits, class View>
00377   std::basic_ostream<Char,Traits>&
00378   operator <<(std::basic_ostream<Char,Traits>& os,
00379               const CachedView<View>& x) {
00380     return os << x.base();
00381   }
00382 
00383   template<class View>
00384   forceinline
00385   GlbDiffRanges<View>::GlbDiffRanges(const CachedView<View>& x)
00386     : gr(x.base()), cr(x.glbCache) {
00387     Iter::Ranges::Diff<GlbRanges<View>,BndSetRanges>::init(gr,cr);
00388   }
00389 
00390   template<class View>
00391   forceinline
00392   LubDiffRanges<View>::LubDiffRanges(const CachedView<View>& x)
00393     : cr(x.lubCache), lr(x.base()) {
00394     Iter::Ranges::Diff<BndSetRanges,LubRanges<View> >::init(cr,lr);
00395   }
00396 
00397 }}
00398 
00399 // STATISTICS: set-var