Actual source code: ALE_containers.hh

petsc-3.3-p7 2013-05-11
  1: #ifndef included_ALE_containers_hh
  2: #define included_ALE_containers_hh
  3: // This should be included indirectly -- only by including ALE.hh

  5: #include <boost/multi_index_container.hpp>
  6: #include <boost/multi_index/member.hpp>
  7: #include <boost/multi_index/ordered_index.hpp>
  8: #include <boost/multi_index/composite_key.hpp>

 10: #include <iostream>
 11: #include <map>
 12: #include <set>
 13: #include <vector>

 15: #ifndef  included_ALE_exception_hh
 16: #include <sieve/ALE_exception.hh>
 17: #endif
 18: #ifndef  included_ALE_mem_hh
 19: #include <sieve/ALE_mem.hh>
 20: #endif
 21: #ifndef  included_ALE_log_hh
 22: #include <sieve/ALE_log.hh>
 23: #endif

 25: namespace ALE {
 26:   class ParallelObject {
 27:   protected:
 28:     int         _debug;
 29:     MPI_Comm    _comm;
 30:     int         _commRank;
 31:     int         _commSize;
 32:     std::string _name;
 33:     std::string _className;
 34:   protected:
 35:     void __init(MPI_Comm comm) {

 38:       this->_comm = comm;
 39:       MPI_Comm_rank(this->_comm, &this->_commRank);CHKERROR(ierr, "Error in MPI_Comm_rank");
 40:       MPI_Comm_size(this->_comm, &this->_commSize);CHKERROR(ierr, "Error in MPI_Comm_size");
 41:       const char *class_name = ALE::getClassName(this);
 42:       this->_className = class_name;
 43:       ALE::restoreClassName(this, class_name);
 44:     };
 45:   public:
 46:     ParallelObject(MPI_Comm comm = PETSC_COMM_SELF, const int debug = 0) : _debug(debug) {__init(comm);}
 47:     ~ParallelObject() {};
 48:   public:
 49:     int                debug()    const {return this->_debug;};
 50:     void               setDebug(const int debug) {this->_debug = debug;};
 51:     MPI_Comm           comm()     const {return this->_comm;};
 52:     int                commSize() const {return this->_commSize;};
 53:     int                commRank() const {return this->_commRank;}
 54:     const std::string& getName() const {return this->_name;};
 55:     void               setName(const std::string& name) {this->_name = name;};
 56:     const std::string& getClassName() const {return this->_className;};
 57:     void               setClassName(const std::string& name) {this->_className = name;};
 58:   public:
 59:     void view(const std::string& name, MPI_Comm comm = MPI_COMM_NULL) const {
 60:       ostringstream txt;
 61:       int           rank;

 63:       if (comm == MPI_COMM_NULL) {
 64:         comm = this->comm();
 65:         rank = this->commRank();
 66:       } else {
 67:         MPI_Comm_rank(comm, &rank);
 68:       }
 69:       if (name == "") {
 70:         if(rank == 0) {
 71:           txt << "viewing a " << this->getClassName() << std::endl;
 72:         }
 73:       } else {
 74:         if(rank == 0) {
 75:           txt << "viewing " << this->getClassName() << " '" << name << "'" << std::endl;
 76:         }
 77:       }
 78:       PetscSynchronizedPrintf(comm, txt.str().c_str());
 79:       PetscSynchronizedFlush(comm);
 80:     };
 81:   };

 83:   // Use for ArrowSections
 84:   template<typename Source_, typename Target_>
 85:   struct MinimalArrow {
 86:     typedef Source_ source_type;
 87:     typedef Target_ target_type;
 88:     source_type source;
 89:     target_type target;
 90:     MinimalArrow() {};
 91:     MinimalArrow(const source_type& source, const target_type& target) : source(source), target(target) {};
 92:     MinimalArrow(const MinimalArrow& a) : source(a.source), target(a.target) {};
 93:     friend std::ostream& operator<<(std::ostream& os, const MinimalArrow& a) {
 94:       os << a.source << " ----> " << a.target;
 95:       return os;
 96:     }
 97:     // Comparisons
 98:     class less_than {
 99:     public:
100:       bool operator()(const MinimalArrow& p, const MinimalArrow& q) const {
101:         return((p.source < q.source) || ((p.source == q.source) && (p.target < q.target)));
102:       };
103:     };
104:     typedef less_than Cmp;
105:     bool operator==(const MinimalArrow& q) const {
106:       return((this->source == q.source) && (this->target == q.target));
107:     };
108:     bool operator!=(const MinimalArrow& q) const {
109:       return((this->source != q.source) || (this->target != q.target));
110:     };
111:     bool operator<(const MinimalArrow& q) const {
112:       return((this->source < q.source) || ((this->source == q.source) && (this->target < q.target)));
113:     };
114:   };

116:   //
117:   // This is a set of classes and class templates describing an interface to point containers.
118:   //
119: 
120:   // Basic object
121:   class Point {
122:   public:
123:     typedef ALE_ALLOCATOR<Point> allocator;
124:     typedef int32_t prefix_type;
125:     typedef int32_t index_type;
126:     prefix_type prefix;
127:     index_type  index;
128:     // Constructors
129:     Point() : prefix(0), index(0){};
130:     Point(int p) : prefix(p), index(0){};
131:     Point(int p, int i) : prefix(p), index(i){};
132:     Point(const Point& p) : prefix(p.prefix), index(p.index){};
133:     // Comparisons
134:     class less_than {
135:     public:
136:       bool operator()(const Point& p, const Point& q) const {
137:         return( (p.prefix < q.prefix) || ((p.prefix == q.prefix) && (p.index < q.index)));
138:       };
139:     };
140:     typedef less_than Cmp;
141: 
142:     bool operator==(const Point& q) const {
143:       return ( (this->prefix == q.prefix) && (this->index == q.index) );
144:     };
145:     bool operator!=(const Point& q) const {
146:       return ( (this->prefix != q.prefix) || (this->index != q.index) );
147:     };
148:     bool operator<(const Point& q) const {
149:       return( (this->prefix < q.prefix) || ((this->prefix == q.prefix) && (this->index < q.index)));
150:     };
151:     void operator+=(const Point& q) {
152:       this->prefix += q.prefix;
153:       this->index  += q.index;
154:     };
155:     // Printing
156:     friend std::ostream& operator<<(std::ostream& os, const Point& p) {
157:       os << "(" << p.prefix << ", "<< p.index << ")";
158:       return os;
159:     };
160:     // Reading
161:     friend std::istream& operator>>(std::istream& is, Point& p) {
162:       // Read "("
163:       char tmp = '\0';

165:       while (tmp != '(') {is.get(tmp);}
166:       is >> p.prefix;
167:       // Read ","
168:       while (tmp != ',') {is.get(tmp);}
169:       is >> p.index;
170:       // Read ")"
171:       while (tmp != ')') {is.get(tmp);}
172:       return is;
173:     };
174:   };
175:   template<typename FirstType, typename SecondType>
176:   class Pair {
177:   public:
178:     typedef FirstType  first_type;
179:     typedef SecondType second_type;
180:     first_type  first;
181:     second_type second;
182:     // Constructors
183:     Pair() : first(0), second(0) {};
184:     Pair(FirstType f) : first(f), second(0) {};
185:     Pair(FirstType f, SecondType s) : first(f), second(s) {};
186:     Pair(const Pair& p) : first(p.first), second(p.second) {};
187:     // Comparisons
188:     class less_than {
189:     public:
190:       bool operator()(const Pair& p, const Pair& q) const {
191:         return( (p.first < q.first) || ((p.first == q.first) && (p.second < q.second)));
192:       };
193:     };
194:     typedef less_than Cmp;
195: 
196:     bool operator==(const Pair& q) const {
197:       return((this->first == q.first) && (this->second == q.second));
198:     };
199:     bool operator!=(const Pair& q) const {
200:       return((this->first != q.first) || (this->second != q.second));
201:     };
202:     bool operator<(const Pair& q) const {
203:       return((this->first < q.first) || ((this->first == q.first) && (this->second < q.second)));
204:     };
205:     void operator+=(const Pair& q) {
206:       this->first  += q.first;
207:       this->second += q.second;
208:     };
209:     // Printing
210:     friend std::ostream& operator<<(std::ostream& os, const Pair& p) {
211:       os << "(" << p.first << ", "<< p.second << ")";
212:       return os;
213:     };
214:   };

216:   template <typename Element_>
217:   class array : public std::vector<Element_, ALE_ALLOCATOR<Element_> > {
218:   public:
219:     array()             : std::vector<Element_, ALE_ALLOCATOR<Element_> >(){};
220:     array(int32_t size) : std::vector<Element_, ALE_ALLOCATOR<Element_> >(size){};
221:     //
222:     template <typename ostream_type>
223:     void view(ostream_type& os, const char *name = NULL) {
224:       os << "Viewing array";
225:       if(name != NULL) {
226:         os << " " << name;
227:       }
228:       os << " of size " << (int) this->size() << std::endl;
229:       os << "[";
230:       for(unsigned int cntr = 0; cntr < this->size(); cntr++) {
231:         Element_ e = (*this)[cntr];
232:         os << e;
233:       }
234:       os << " ]" << std::endl;
235: 
236:     }
237:   };


240:   template <typename Element_>
241:   class set : public std::set<Element_, typename Element_::less_than,  ALE_ALLOCATOR<Element_> > {
242:   public:
243:     // Encapsulated types
244:     typedef std::set<Element_, typename Element_::less_than, ALE_ALLOCATOR<Element_> > super;
245:     typedef typename super::iterator                                                   iterator;
246:     typedef Element_                                                                   element_type;
247:     typedef element_type                                                               value_type;
248:     //
249:     // Basic interface
250:     //
251:     set()        : super(){};
252:     // FIX: this is a little weird that there is a specific constructor with Point
253:     set(Point p) : super(){insert(p);};
254:     //
255:     set(const element_type& e) : super() {insert(e);}
256:     //
257:     template<typename ElementSequence_>
258:     set(const ElementSequence_& eseq) : super(eseq.begin(), eseq.end()){}
259:     //
260:     // Standard interface
261:     //
262:     // Redirection:
263:     // FIX: it is a little weird that 'insert' methods aren't inherited
264:     //      but perhaps can be fixed by calling insert<Element_> (i.e., insert<Point> etc)?
265:         std::pair<iterator, bool>
266:     inline insert(const Element_& e) { return super::insert(e); };
267:     //
268:     iterator
269:     inline insert(iterator position, const Element_& e) {return super::insert(position,e);};
270:     //
271:     template <class InputIterator>
272:     void
273:     inline insert(InputIterator b, InputIterator e) { return super::insert(b,e);}
274:     //
275:     // Extended interface
276:     //
277:     inline iterator last() {
278:       return this->rbegin();
279:     };// last()
280:     //
281:     inline bool contains(const Element_& e) {return (this->find(e) != this->end());};
282:     //
283:     inline void join(Obj<set> s) {
284:       for(iterator s_itor = s->begin(); s_itor != s->end(); s_itor++) {
285:         this->insert(*s_itor);
286:       }
287:     };
288:     //
289:     inline void meet(Obj<set> s) {// this should be called 'intersect' (the verb)
290:       set removal;
291:       for(iterator self_itor = this->begin(); self_itor != this->end(); self_itor++) {
292:         Element_ e = *self_itor;
293:         if(!s->contains(e)){
294:           removal.insert(e);
295:         }
296:       }
297:       for(iterator rem_itor = removal.begin(); rem_itor != removal.end(); rem_itor++) {
298:         Element_ ee = *rem_itor;
299:         this->erase(ee);
300:       }
301:     };
302:     //
303:     inline void subtract(Obj<set> s) {
304:       set removal;
305:       for(iterator self_itor = this->begin(); self_itor != this->end(); self_itor++) {
306:         Element_ e = *self_itor;
307:         if(s->contains(e)){
308:           removal.insert(e);
309:         }
310:       }
311:       for(iterator rem_itor = removal.begin(); rem_itor != removal.end(); rem_itor++) {
312:         Element_ ee = *rem_itor;
313:         this->erase(ee);
314:       }
315:     };
316:     //
317:     template <typename ostream_type>
318:     void view(ostream_type& os, const char *name = NULL) {
319:       os << "Viewing set";
320:       if(name != NULL) {
321:         os << " " << name;
322:       }
323:       os << " of size " << (int) this->size() << std::endl;
324:       os << "[";
325:       for(iterator s_itor = this->begin(); s_itor != this->end(); s_itor++) {
326:         Element_ e = *s_itor;
327:         os << e;
328:       }
329:       os << " ]" << std::endl;
330:     }
331:   };

333:   template <typename X>
334:   struct singleton {
335:     X first;
336:     //
337:     singleton(const X& x)         : first(x) {};
338:     singleton(const singleton& s) : first(s.first) {};
339:   };

341:   template <typename X, typename Y>
342:   struct pair : public std::pair<X,Y> {
343:     pair() : std::pair<X,Y>(){};
344:     pair(const pair& p) : std::pair<X,Y>(p.first, p.second) {};
345:     pair(const X& x, const Y& y) : std::pair<X,Y>(x,y) {};
346:     ~pair(){};
347:     friend std::ostream& operator<<(std::ostream& os, const pair& p) {
348:       os << "<" << p.first << ", "<< p.second << ">";
349:       return os;
350:     };
351:   };// struct pair

353:   //
354:   // Arrow definitions
355:   //
356:   template<typename Source_, typename Target_, typename Color_>
357:   struct  Arrow { //: public ALE::def::Arrow<Source_, Target_, Color_> {
358:     typedef Arrow   arrow_type;
359:     typedef Source_ source_type;
360:     typedef Target_ target_type;
361:     typedef Color_  color_type;
362:     source_type source;
363:     target_type target;
364:     color_type  color;
365:     // Arrow modifiers
366:     struct sourceChanger {
367:       sourceChanger(const source_type& newSource) : _newSource(newSource) {};
368:       void operator()(arrow_type& a) {a.source = this->_newSource;}
369:     private:
370:       source_type _newSource;
371:     };
372: 
373:     struct targetChanger {
374:       targetChanger(const target_type& newTarget) : _newTarget(newTarget) {};
375:       void operator()(arrow_type& a) { a.target = this->_newTarget;}
376:     private:
377:       const target_type _newTarget;
378:     };
379:     // Flipping
380:     template <typename OtherSource_, typename OtherTarget_, typename OtherColor_>
381:     struct rebind {
382:       typedef Arrow<OtherSource_, OtherTarget_, OtherColor_> type;
383:     };
384:     struct flip {
385:       typedef Arrow<target_type, source_type, color_type> type;
386:       type arrow(const arrow_type& a) { return type(a.target, a.source, a.color);};
387:     };
388:   public:
389:     //
390:     // Basic interface
391:     Arrow(const source_type& s, const target_type& t, const color_type& c) : source(s), target(t), color(c) {};
392:     Arrow(const Arrow& a) : source(a.source), target(a.target), color(a.color) {};
393:     ~Arrow(){};
394:     //
395:     // Extended interface
396:     // Printing
397:     template <typename Stream_>
398:     friend Stream_& operator<<(Stream_& os, const Arrow& a) {
399:       os << a.source << " --(" << a.color << ")--> " << a.target;
400:       return os;
401:     }
402:   };// struct Arrow

404:   // Defines a sequence representing a subset of a multi_index container Index_.
405:   // A sequence defines output (input in std terminology) iterators for traversing an Index_ object.
406:   // Upon dereferencing values are extracted from each result record using a ValueExtractor_ object.
407:   template <typename Index_, typename ValueExtractor_ = ::boost::multi_index::identity<typename Index_::value_type> >
408:   struct IndexSequence {
409:     typedef Index_                                   index_type;
410:     typedef ValueExtractor_                          extractor_type;
411:     //
412:     template <typename Sequence_ = IndexSequence>
413:     class iterator {
414:     public:
415:       // Parent sequence type
416:       typedef Sequence_                              sequence_type;
417:       // Standard iterator typedefs
418:       typedef std::input_iterator_tag                iterator_category;
419:       typedef typename extractor_type::result_type   value_type;
420:       typedef int                                    difference_type;
421:       typedef value_type*                            pointer;
422:       typedef value_type&                            reference;
423:       // Underlying iterator type
424:       typedef typename index_type::iterator          itor_type;
425:     protected:
426:       // Parent sequence
427:       sequence_type&  _sequence;
428:       // Underlying iterator
429:       itor_type      _itor;
430:       // Member extractor
431:       extractor_type _ex;
432:     public:
433:       iterator(sequence_type& sequence, itor_type itor)       : _sequence(sequence),_itor(itor) {};
434:       iterator(const iterator& iter)                          : _sequence(iter._sequence),_itor(iter._itor) {}
435:       virtual ~iterator() {};
436:       virtual bool              operator==(const iterator& iter) const {return this->_itor == iter._itor;};
437:       virtual bool              operator!=(const iterator& iter) const {return this->_itor != iter._itor;};
438:       // FIX: operator*() should return a const reference, but it won't compile that way, because _ex() returns const value_type
439:       virtual const value_type  operator*() const {return _ex(*(this->_itor));};
440:       virtual iterator   operator++() {++this->_itor; return *this;};
441:       virtual iterator   operator++(int n) {iterator tmp(*this); ++this->_itor; return tmp;};
442:     };// class iterator
443:   protected:
444:     index_type& _index;
445:   public:
446:     //
447:     // Basic interface
448:     //
449:     IndexSequence(const IndexSequence& seq)  : _index(seq._index) {};
450:     IndexSequence(index_type& index)         : _index(index) {};
451:     virtual ~IndexSequence() {};
452:     //
453:     // Extended interface
454:     //
455:     virtual bool         empty() {return this->_index.empty();};

457:     virtual typename index_type::size_type  size()  {
458:       typename index_type::size_type sz = 0;
459:       for(typename index_type::iterator itor = this->_index.begin(); itor != this->_index.end(); itor++) {
460:         ++sz;
461:       }
462:       return sz;
463:     };
464:     template<typename ostream_type>
465:     void view(ostream_type& os, const char* label = NULL){
466:       if(label != NULL) {
467:         os << "Viewing " << label << " sequence:" << std::endl;
468:       }
469:       os << "[";
470:       for(iterator<> i = this->_index.begin(); i != this->_index.end(); i++) {
471:         os << " "<< *i;
472:       }
473:       os << " ]" << std::endl;
474:     }
475:   };// class IndexSequence

477: } // namespace ALE


480: #endif