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# eoRealVectorBounds.h

    00001 // -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
    00002
    00003 //-----------------------------------------------------------------------------
    00004 // eoRealVectorBounds.h
    00005 // (c) Marc Schoenauer 2001, Maarten Keijzer 2000, GeNeura Team, 1998
    00006 /*
    00007     This library is free software; you can redistribute it and/or
    00008     modify it under the terms of the GNU Lesser General Public
    00009     License as published by the Free Software Foundation; either
    00010     version 2 of the License, or (at your option) any later version.
    00011
    00012     This library is distributed in the hope that it will be useful,
    00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00015     Lesser General Public License for more details.
    00016
    00017     You should have received a copy of the GNU Lesser General Public
    00018     License along with this library; if not, write to the Free Software
    00019     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    00020
    00021     Contact: todos@geneura.ugr.es, http://geneura.ugr.es
    00022              Marc.Schoenauer@polytechnique.fr
    00023              mak@dhi.dk
    00024  */
    00025 //-----------------------------------------------------------------------------
    00026
    00027 #ifndef _eoRealVectorBounds_h
    00028 #define _eoRealVectorBounds_h
    00029
    00030 #include <stdexcept>               // std::exceptions!
    00031 #include <utils/eoRNG.h>
    00032 #include <utils/eoRealBounds.h>
    00033
    00058 class eoRealBaseVectorBounds : public std::vector<eoRealBounds *>
    00059 {
    00060 public:
    00061   // virtual desctructor (to avoid warning?)
    00062   virtual ~eoRealBaseVectorBounds(){}
    00063
    00066   eoRealBaseVectorBounds() : std::vector<eoRealBounds *>(0) {}
    00067
    00070   eoRealBaseVectorBounds(unsigned _dim, eoRealBounds & _bounds) :
    00071     std::vector<eoRealBounds *>(_dim, &_bounds)
    00072   {}
    00073
    00076   eoRealBaseVectorBounds(eoRealBounds & _xbounds, eoRealBounds & _ybounds) :
    00077     std::vector<eoRealBounds *>(0)
    00078   {
    00079         push_back( &_xbounds);
    00080         push_back( &_ybounds);
    00081   }
    00082
    00085   virtual bool isBounded(unsigned _i)
    00086   {
    00087     return (*this)[_i]->isBounded();
    00088   }
    00089
    00092   virtual bool isBounded(void)
    00093   {
    00094     for (unsigned i=0; i<size(); i++)
    00095       if (! (*this)[i]->isBounded())
    00096         return false;
    00097     return true;
    00098   }
    00099
    00102   virtual bool hasNoBoundAtAll(unsigned _i)
    00103   {
    00104     return (*this)[_i]->hasNoBoundAtAll();
    00105   }
    00106
    00109   virtual bool hasNoBoundAtAll(void)
    00110   {
    00111     for (unsigned i=0; i<size(); i++)
    00112       if (! (*this)[i]->hasNoBoundAtAll())
    00113         return false;
    00114     return true;
    00115   }
    00116
    00117   virtual bool isMinBounded(unsigned _i)
    00118   { return (*this)[_i]->isMinBounded();} ;
    00119
    00120   virtual bool isMaxBounded(unsigned _i)
    00121   { return (*this)[_i]->isMaxBounded();} ;
    00122
    00125   virtual void foldsInBounds(unsigned _i, double & _r)
    00126   {
    00127     (*this)[_i]->foldsInBounds(_r);
    00128   }
    00129
    00132   virtual void foldsInBounds(std::vector<double> & _v)
    00133   {
    00134    for (unsigned i=0; i<size(); i++)
    00135      {
    00136        (*this)[i]->foldsInBounds(_v[i]);
    00137      }
    00138   }
    00139
    00142   virtual void truncate(unsigned _i, double & _r)
    00143   {
    00144     (*this)[_i]->truncate(_r);
    00145   }
    00146
    00149   virtual void truncate(std::vector<double> & _v)
    00150   {
    00151    for (unsigned i=0; i<size(); i++)
    00152      {
    00153        (*this)[i]->truncate(_v[i]);
    00154      }
    00155   }
    00156
    00159   virtual bool isInBounds(unsigned _i, double _r)
    00160   { return (*this)[_i]->isInBounds(_r); }
    00161
    00164   virtual bool isInBounds(std::vector<double> _v)
    00165   {
    00166     for (unsigned i=0; i<size(); i++)
    00167       if (! isInBounds(i, _v[i]))
    00168         return false;
    00169     return true;
    00170   }
    00171
    00174   virtual double minimum(unsigned _i) {return (*this)[_i]->minimum();}
    00175   virtual double maximum(unsigned _i) {return (*this)[_i]->maximum();}
    00176   virtual double range(unsigned _i) {return (*this)[_i]->range();}
    00177
    00181   virtual double averageRange()
    00182   {
    00183     double r=0.0;
    00184     for (unsigned i=0; i<size(); i++)
    00185       r += range(i);
    00186     return r/size();
    00187   }
    00188
    00192   virtual double uniform(unsigned _i, eoRng & _rng = eo::rng)
    00193   {
    00194     double r= (*this)[_i]->uniform();
    00195     return r;
    00196   }
    00197
    00201   void uniform(std::vector<double> & _v, eoRng & _rng = eo::rng)
    00202   {
    00203     _v.resize(size());
    00204     for (unsigned i=0; i<size(); i++)
    00205       {
    00206       _v[i] = uniform(i, _rng);
    00207       }
    00208   }
    00209
    00214   virtual void printOn(std::ostream& _os) const
    00215   {
    00216     for (unsigned i=0; i<size(); i++)
    00217       {
    00218         operator[](i)->printOn(_os);
    00219         _os << ";";
    00220       }
    00221   }
    00222 };
    00223
    00225
    00228 class eoRealVectorBounds : public eoRealBaseVectorBounds, public eoPersistent
    00229 {
    00230 public:
    00233   eoRealVectorBounds():eoRealBaseVectorBounds() {}
    00234
    00237   eoRealVectorBounds(unsigned _dim, eoRealBounds & _bounds) :
    00238     eoRealBaseVectorBounds(_dim, _bounds), factor(1,_dim), ownedBounds(0)
    00239   {}
    00240
    00243   eoRealVectorBounds(eoRealBounds & _xbounds, eoRealBounds & _ybounds) :
    00244     eoRealBaseVectorBounds(_xbounds, _ybounds), factor(2,1), ownedBounds(0)
    00245   {}
    00246
    00249   eoRealVectorBounds(unsigned _dim, double _min, double _max) :
    00250     eoRealBaseVectorBounds(), factor(1, _dim), ownedBounds(0)
    00251   {
    00252     if (_max-_min<=0)
    00253       throw std::logic_error("Void range in eoRealVectorBounds");
    00254     eoRealBounds *ptBounds = new eoRealInterval(_min, _max);
    00255     // handle memory once
    00256     ownedBounds.push_back(ptBounds);
    00257     // same bound for everyone
    00258     for (unsigned int i=0; i<_dim; i++)
    00259       push_back(ptBounds);
    00260   }
    00261
    00264   eoRealVectorBounds(std::vector<double> _min, std::vector<double> _max) :
    00265     factor(_min.size(), 1), ownedBounds(0)
    00266   {
    00267     if (_max.size() != _min.size())
    00268       throw std::logic_error("Dimensions don't match in eoRealVectorBounds");
    00269     // the bounds
    00270     eoRealBounds *ptBounds;
    00271     for (unsigned i=0; i<_min.size(); i++)
    00272       {
    00273         ptBounds = new eoRealInterval(_min[i], _max[i]);
    00274         ownedBounds.push_back(ptBounds);
    00275         push_back(ptBounds);
    00276       }
    00277   }
    00278
    00282   eoRealVectorBounds(std::string _s) : eoRealBaseVectorBounds()
    00283   {
    00284     readFrom(_s);
    00285   }
    00286
    00288   virtual ~eoRealVectorBounds()
    00289   {
    00290 //     std::cout << "Dtor, avec size = " << ownedBounds.size() << std::endl;
    00291 //     for (unsigned i = 0; i < ownedBounds.size(); ++i)
    00292 //     {
    00293 //         delete ownedBounds[i];
    00294 //     }
    00295 }
    00296
    00297
    00298   // methods from eoPersistent
    00304   virtual void readFrom(std::istream& _is) ;
    00305
    00310   virtual void readFrom(std::string _s) ;
    00311
    00313   virtual void printOn(std::ostream& _os) const
    00314   {
    00315     if (factor[0]>1)
    00316       _os << factor[0] ;
    00317     operator[](0)->printOn(_os);
    00318
    00319     // other bounds
    00320     unsigned int index=factor[0];
    00321     if (factor.size()>1)
    00322       for (unsigned i=1; i<factor.size(); i++)
    00323         {
    00324           _os << ";";
    00325           if (factor[i] > 1)
    00326             _os << factor[i];
    00327           operator[](index)->printOn(_os);
    00328           index += factor[i];
    00329         }
    00330   }
    00331
    00333   void adjust_size(unsigned _dim);
    00334
    00337   eoRealVectorBounds(const eoRealVectorBounds &);
    00338
    00339 private:// WARNING: there is no reason for both std::vector below
    00340         //to be synchronized in any manner
    00341   std::vector<unsigned int> factor;        // std::list of nb of "grouped" bounds
    00342   std::vector<eoRealBounds *> ownedBounds;
    00343 // keep this one private
    00344   eoRealVectorBounds& operator=(const eoRealVectorBounds&);
    00345   };
    00346
    00348
    00352 class eoRealVectorNoBounds: public eoRealVectorBounds
    00353 {
    00354 public:
    00355   // virtual desctructor (to avoid warning?)
    00356   virtual ~eoRealVectorNoBounds(){}
    00357
    00361   eoRealVectorNoBounds(unsigned _dim) :
    00362     eoRealVectorBounds( (_dim?_dim:1), eoDummyRealNoBounds)
    00363   {}
    00364
    00365
    00366   virtual bool isBounded(unsigned)  {return false;}
    00367   virtual bool isBounded(void)   {return false;}
    00368
    00369   virtual bool hasNoBoundAtAll(unsigned)  {return true;}
    00370   virtual bool hasNoBoundAtAll(void)  {return true;}
    00371
    00372   virtual bool isMinBounded(unsigned)   {return false;}
    00373   virtual bool isMaxBounded(unsigned)   {return false;}
    00374
    00375   virtual void foldsInBounds(unsigned, double &) {return;}
    00376   virtual void foldsInBounds(std::vector<double> &) {return;}
    00377
    00378   virtual void truncate(unsigned, double &) {return;}
    00379   virtual void truncate(std::vector<double> &) {return;}
    00380
    00381   virtual bool isInBounds(unsigned, double) {return true;}
    00382   virtual bool isInBounds(std::vector<double>) {return true;}
    00383
    00384   // accessors
    00385   virtual double minimum(unsigned)
    00386   {
    00387     throw std::logic_error("Trying to get minimum of eoRealVectorNoBounds");
    00388   }
    00389   virtual double maximum(unsigned)
    00390   {
    00391     throw std::logic_error("Trying to get maximum of eoRealVectorNoBounds");
    00392   }
    00393   virtual double range(unsigned)
    00394   {
    00395     throw std::logic_error("Trying to get range of eoRealVectorNoBounds");
    00396   }
    00397
    00398   virtual double averageRange()
    00399   {
    00400     throw std::logic_error("Trying to get average range of eoRealVectorNoBounds");
    00401   }
    00402
    00403   // random generators
    00404   virtual double uniform(unsigned, eoRng & _rng = eo::rng)
    00405   {
    00406     throw std::logic_error("No uniform distribution on eoRealVectorNoBounds");
    00407   }
    00408
    00409   // fills a std::vector with uniformly chosen variables in bounds
    00410   void uniform(std::vector<double> &, eoRng & _rng = eo::rng)
    00411   {
    00412     throw std::logic_error("No uniform distribution on eoRealVectorNoBounds");
    00413   }
    00414
    00415 };
    00416
    00417
    00418
    00419 // one object for all - see eoRealBounds.cpp
    00420 extern eoRealVectorNoBounds eoDummyVectorNoBounds;
    00421 #endif