NTuple.cxx

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00001 
00012 #ifdef _MSC_VER
00013 #include "msdevstudio/MSconfig.h"
00014 #endif
00015 
00016 #include "NTuple.h"
00017 
00018 #include "axes/Range.h"
00019 #include "pattern/Observer.h"
00020 #include "pattern/string_convert.h"
00021 
00022 #include <algorithm>
00023 #include <functional>
00024 #include <numeric>
00025 #include <stdexcept>
00026 
00027 #include <cassert>
00028 
00029 #ifdef ITERATOR_MEMBER_DEFECT
00030 using namespace std;
00031 #else
00032 using std::back_insert_iterator;
00033 using std::distance;
00034 using std::runtime_error;
00035 using std::string;
00036 using std::vector;
00037 using std::find;
00038 using std::min_element;
00039 using std::max_element;
00040 #endif
00041 
00042 using namespace hippodraw;
00043 
00044 NTuple::NTuple ( const std::string & name )
00045   : DataSource ( name ),
00046     m_i_count ( 1 ),
00047     m_i_current ( 0 ),
00048     m_i_enabled ( false )
00049 {
00050 }
00051 NTuple::NTuple ( const char * name )
00052   : DataSource ( name ),
00053     m_i_count ( 1 ),
00054     m_i_current ( 0 ),
00055     m_i_enabled ( false )
00056 {
00057 }
00058 
00059 NTuple::NTuple ( const std::vector< std::string >  & labels )
00060   : DataSource ( labels ),
00061     m_i_count ( 1 ),
00062     m_i_current ( 0 ),
00063     m_i_enabled ( false )
00064 {
00065   std::size_t size = labels.size ();
00066   for ( std::size_t i = 0; i < size; i++ ) {
00067     vector< double > * vp = new vector< double > ();
00068     m_data.push_back ( vp );
00069   }
00070 }
00071 
00072 NTuple::NTuple ( const NTuple & nt )
00073   : DataSource ( nt ),
00074     m_i_count ( nt.m_i_count ),
00075     m_i_current ( nt.m_i_current ),
00076     m_i_enabled ( nt.m_i_enabled )
00077 {
00078   copy( nt );
00079 }
00080 
00081 NTuple::
00082 NTuple ( const DataSource * ds )
00083   : DataSource ( *ds ),
00084     m_i_count ( 1 ),
00085     m_i_current ( 0 ),
00086     m_i_enabled ( false )
00087 {
00088   copy ( *ds );
00089 }
00090 
00091 NTuple::NTuple ( unsigned int n )
00092   : DataSource ( ),
00093     m_i_count ( 1 ),
00094     m_i_current ( 0 ),
00095     m_i_enabled ( false )
00096 {
00097   vector < string > labels;
00098   for ( unsigned int i = 0; i < n; i++ ) {
00099     vector<double> * v = new vector<double> ();
00100     m_data.push_back( v );
00101     labels.push_back ( string ( "nil" ) );
00102   }
00103 
00104   setLabels ( labels );
00105 }
00106 
00107 NTuple::NTuple ()
00108   : DataSource ( ),
00109     m_i_count ( 1 ),
00110     m_i_current ( 0 ),
00111     m_i_enabled ( false ){
00112 }
00113 
00114 NTuple::
00115 NTuple ( bool yes )
00116   : DataSource ( yes ),
00117     m_i_count ( 1 ),
00118     m_i_current ( 0 ),
00119     m_i_enabled ( false )
00120 {
00121 }
00122 
00123 NTuple::~NTuple()
00124 {
00125   Observable::notifyObservers ( &hippodraw::Observer::willDelete );
00126 
00127   vector< vector<double> *>::iterator it = m_data.begin();
00128   for ( ; it != m_data.end(); ++it ) {
00129     delete *it;
00130   }
00131 }
00132 
00133 void NTuple::resizeColumns ( size_t new_size )
00134 {
00135   size_t old_size = m_data.size ();
00136 
00137   if ( new_size > old_size ) {
00138     for ( ; old_size < new_size; old_size++ ) {
00139       vector< double > * v = new vector<double> ();
00140       m_data.push_back ( v );
00141     }
00142   }
00143   else {
00144     m_data.erase ( m_data.begin() + new_size, m_data.end() );
00145   }
00146 
00147 }
00148 
00149 void
00150 NTuple::
00151 copy ( const DataSource  & rhs )
00152 {
00153   DataSource::copyPrivate ( rhs );
00154   m_data.clear ();
00155   try {
00156     const NTuple & ntuple = dynamic_cast < const NTuple & > ( rhs );
00157 
00158     vector< vector<double> *>::const_iterator it = ntuple.m_data.begin();
00159     for ( ; it != ntuple.m_data.end(); ++it ) {
00160       vector<double> * v = new vector<double> ( **it );
00161       m_data.push_back( v );
00162     }
00163     m_i_count = ntuple.m_i_count;
00164     m_i_current = ntuple.m_i_current;
00165     m_i_enabled = ntuple.m_i_enabled;
00166   }
00167   catch ( ... ) {
00168     unsigned int columns = rhs.columns ();
00169 
00170     for ( unsigned int i = 0; i < columns; i++ ) {
00171       vector < double > * vec = new vector < double >;
00172       m_data.push_back ( vec );
00173     }
00174 
00175     unsigned int size = rhs.rows ();
00176     for ( unsigned int i = 0; i < size; i++ ) {
00177       const vector < double > & src = rhs.getRow ( i );
00178       for ( unsigned int j = 0; j < columns; j++ ) {
00179         vector < double > & d = *m_data[j];
00180         d.push_back ( src[j] );
00181       }
00182     }
00183   }
00184 
00185 }
00186 
00187 void
00188 NTuple::
00189 append ( const DataSource * source ) 
00190 {
00191   checkWidth ( source ); // might throw 
00192 
00193   const NTuple * ntuple = dynamic_cast < const NTuple * > ( source );
00194   if ( ntuple != 0 ) {
00195     vector < vector < double > * >::const_iterator src 
00196       = ntuple -> m_data.begin ();
00197     vector < vector < double > * >::iterator dst = m_data.begin();
00198     while ( dst != m_data.end() ) {
00199       vector < double > & dst_vec = *(*dst++);
00200       vector < double > & src_vec = *(*src++);
00201       std::copy ( src_vec.begin(),
00202                   src_vec.end(),
00203                   back_insert_iterator < vector <double > > ( dst_vec) );
00204     }
00205   }
00206   else {
00207     DataSource::append ( source );
00208   }
00209 }
00210 
00211 void NTuple::clear()
00212 {
00213   vector< vector<double> *>::iterator it = m_data.begin();
00214   for ( ; it < m_data.end(); ++it ) {
00215     (*it)->clear();
00216   }
00217 
00218   notifyObservers ();
00219 }
00220 
00221 bool
00222 NTuple::
00223 empty () const
00224 {
00225   return m_data.empty () ? true : m_data[0] -> empty ();
00226 }
00227 
00228 unsigned int
00229 NTuple::
00230 rows () const
00231 {
00232   unsigned int count = 0;
00233 
00234   if ( m_data.empty() == false &&
00235        m_data[0] -> empty () == false ) {
00236     count = m_data[0] -> size ();
00237   }
00238 
00239   return count;
00240 }
00241 
00242 void
00243 NTuple::
00244 replaceRow ( unsigned int i, const std::vector < double > & v )
00245 {
00246   if ( ! ( i < rows () ) ) {
00247     const string what ( "NTuple::replaceRow: index invalid" );
00248     throw runtime_error ( what );
00249   }
00250 
00251   throwIfInvalidRowSize ( v );
00252 
00253   vector < vector < double > * >:: iterator first = m_data.begin ();
00254   vector < double > :: const_iterator d = v.begin();
00255   while ( first != m_data.end () ) {
00256     vector < double > * column = *first++;
00257     column->operator[] ( i ) = *d++;
00258   }
00259 
00260   notifyObservers ();
00261 }
00262 
00263 // note: Using index is twice as fast as using iterators
00264 void
00265 NTuple::
00266 addRow ( const std::vector < double > & v )
00267 {
00268   throwIfInvalidRowSize ( v );
00269 
00270   unsigned int size = m_data.size ();
00271   for ( unsigned int i = 0; i < size; i++ ) {
00272     vector < double > & column = *m_data[i];
00273     column.push_back ( v[i] );
00274   }
00275   notifyObservers ();
00276 }
00277 
00278 void
00279 NTuple::
00280 insertRow ( unsigned int index, const std::vector < double > & v )
00281 {
00282   if ( m_data.size() != v.size() ) {
00283     const string what ( "NTuple: Attempt to insert a row whose size"
00284                         " is not equal to other rows." );
00285 //     throw DataSourceException ( what );
00286     throw runtime_error ( what );
00287   }
00288 
00289   if ( index > rows () ) {
00290     const string what ( "NTuple::insertRow: index out of range" );
00291 //     throw DataSourceException ( what );
00292     throw runtime_error ( what );
00293   }
00294 
00295   vector<double>::const_iterator vit = v.begin();
00296   vector< vector<double> *>::iterator it = m_data.begin();
00297   for ( ; it != m_data.end(); ++it ) {
00298     vector < double > * p = *it;
00299     vector < double > :: iterator where = p->begin() + index;
00300     p->insert ( where, *vit++ );
00301   }
00302 
00303   notifyObservers ();
00304 }
00305 
00306 void
00307 NTuple::
00308 eraseRow ( unsigned int index )
00309 {
00310   if ( index >= rows () ) {
00311     const string what ( "NTuple::insertRow: index out of range" );
00312     throw runtime_error ( what );
00313   }
00314 
00315   vector< vector<double> *>::iterator it = m_data.begin();
00316   for ( ; it != m_data.end(); ++it ) {
00317     vector < double > * p = *it;
00318     vector < double > :: iterator where = p->begin() + index;
00319     p->erase ( where);
00320   }
00321 
00322   notifyObservers ();
00323 }
00324 
00325 // note: clearing and using push_back was twice as fast as
00326 // resizing and using operator[]
00327 const std::vector < double > & NTuple::getRow ( unsigned int row ) const
00328 {
00329   if ( row >= rows () ) {
00330     string what ( "NTuple::getRow: argument out of range" );
00331 //     throw DataSourceException ( what );
00332     throw runtime_error ( what );
00333   }
00334   unsigned int cols = columns ();
00335   m_row.clear ();
00336 
00337   for ( unsigned int i = 0; i < cols; i++ ) {
00338     const vector < double > & column = *m_data[i];
00339     m_row.push_back ( column[row] );
00340   }
00341 
00342   return m_row;
00343 }
00344 
00345 double
00346 NTuple::
00347 operator [] ( std::vector < unsigned int > & indices ) const
00348 {
00349   unsigned int rank = getRank ();
00350   assert ( indices.size() == rank );
00351 
00352 
00353 if ( rank == 1 ) {
00354     unsigned int size = m_data.size();
00355     unsigned int row = indices[0] / size;
00356     unsigned int col = indices[0] % size;
00357     const vector < double > & column = *m_data[col];
00358     return column[row];
00359   }
00360 
00361   if ( rank == 2 ) {
00362     unsigned int col = indices[1];
00363     unsigned int row = indices[0];
00364     const vector < double > & column = *m_data[col];
00365     return column[row];
00366   }
00367 
00368   if ( rank == 3 ) {
00369     unsigned int size = m_data.size();
00370     unsigned int col = indices[2];
00371     unsigned int j = indices[1];
00372     unsigned int i = indices[0];
00373 
00374     assert ( col < size );
00375     assert ( j < m_shape[1] );
00376     assert ( i < m_shape[0] );
00377 
00378     unsigned int row = j + i * m_shape[1];
00379     const vector < double > & column = *m_data[col];
00380     return column[row];
00381   }
00382   return 0.0;
00383 }
00384 
00385 double
00386 NTuple::
00387 valueAt ( unsigned int row, unsigned int column ) const
00388 {
00389   //return (*m_data[column])[row];
00390   vector < double > * v = m_data [ column ];
00391   return v -> operator [] ( row );
00392 }
00393 
00394 void NTuple::reserve ( unsigned int count )
00395 {
00396   vector < vector < double > * >::iterator it = m_data.begin();
00397   for ( ; it != m_data.end(); ++it ) {
00398     (*it)->reserve ( count );
00399   }
00400 }
00401 
00402 int
00403 NTuple::
00404 addColumn ( const std::string & label,
00405             const std::vector< double > & col )
00406 {
00407   // Check if label already exists.
00408   int index = indexOf ( label );
00409   if ( index >= 0 ) {
00410     string what ( "NTuple: Attempt to add a column with label `");
00411     what += label;
00412     what += "' which duplicates existing label.";
00413     throw runtime_error ( what );
00414   }
00415 
00416   // Check if column has right size.
00417   if ( m_data.empty () == false ) {
00418     unsigned int size = rows ();
00419     unsigned int rows = col.size();
00420     if ( size != 0 && size != rows ) {
00421       string what ( "NTuple: Attempt to add a column of `" );
00422       what += String::convert ( rows );
00423       what += "' rows to DataSource with `";
00424       what += String ::convert ( size );
00425       what += "' rows.";
00426       throw runtime_error ( what );
00427     }
00428   }
00429 
00430   vector < double > * vec = new vector < double > ( col );
00431   m_data.push_back ( vec );
00432   addLabel ( label );
00433 
00434   return m_data.size() - 1;
00435 }
00436 
00437 void
00438 NTuple::
00439 replaceColumn ( unsigned int col, const std::vector< double > & data )
00440 {
00441   unsigned int size = columns ();
00442   if ( col >= size ) {
00443     string what ( "NTuple: Attempt to replace column `");
00444     what += String::convert ( col );
00445     what += "' of data source with only `";
00446     what += String::convert ( size );
00447     what += "' columns.";
00448     throw runtime_error ( what );
00449   }
00450 
00451   size = rows();
00452   unsigned int new_size = data.size ();
00453   if ( size != 0 && size != new_size ) {
00454     string what ( "NTuple:: Attempt to replace column with size `" );
00455     what += String::convert ( size );
00456     what += "' with one of size `";
00457     what += String::convert ( new_size );
00458     what += "'.";
00459     throw runtime_error ( what );
00460   }
00461   m_data[col]->resize ( data.size() );
00462   // need std:: below, else conflicts with NTuple::copy()
00463   std:: copy ( data.begin (), data.end(), m_data[col]->begin() );
00464 
00465   notifyObservers ();
00466 }
00467 
00468 void
00469 NTuple::
00470 setLabels ( const std::vector< std::string > & v )
00471 {
00472   if ( rows () == 0 ) {
00473     resizeColumns ( v.size () );
00474   }
00475   else {
00476     unsigned int vsize = v.size ();
00477     if ( vsize  != columns () ) {
00478       string what ( "NTuple: Attempt to set " );
00479       what += String::convert ( vsize );
00480       what += " labels with data source of ";
00481       what += String::convert ( columns() );
00482       what += " columns.";
00483       throw runtime_error ( what );
00484     }
00485   }
00486 
00487   DataSource::setLabels ( v );
00488 }
00489 
00490 const vector<double> &
00491 NTuple::
00492 getColumn ( unsigned int i ) const
00493 {
00494   isValidColumn ( i ); // will throw exception if bad
00495 
00496   return *m_data[i];
00497 }
00498 
00499 vector<double> & NTuple::getColumn ( unsigned int i )
00500 {
00501   unsigned int size = columns();
00502   if ( i >= size ) {
00503     const string what ( "NTuple::getColumn argument out of range" );
00504     throw runtime_error ( what );
00505   }
00506 
00507   return *m_data[i];
00508 }
00509 
00510 const vector< double > & NTuple::getColumn ( const std::string & name ) const
00511 {
00512   throwIfInvalidLabel ( name );
00513   int index = indexOf ( name );
00514 
00515   return *m_data[index];
00516 }
00517 
00518 unsigned int
00519 NTuple::
00520 indexOfMinElement( unsigned int index ) const
00521 {
00522   const vector< double > & c = getColumn( index );
00523 
00524   vector < double > :: const_iterator first
00525     = min_element ( c.begin(), c.end() );
00526 
00527   return distance ( c.begin(), first );
00528 }
00529 
00530 double
00531 NTuple::
00532 minElement ( unsigned int column ) const
00533 {
00534   vector < double > & v = *m_data[column];
00535 
00536   return *min_element ( v.begin(), v.end() );
00537 }
00538 
00539 unsigned int
00540 NTuple::
00541 indexOfMaxElement ( unsigned int index ) const
00542 {
00543   const vector< double > & c = getColumn( index );
00544 
00545   vector < double > :: const_iterator first
00546     = max_element ( c.begin(), c.end() );
00547 
00548   return distance ( c.begin(), first );
00549 }
00550 
00551 double
00552 NTuple::
00553 maxElement ( unsigned int column ) const
00554 {
00555   vector < double > & v = *m_data[column];
00556 
00557   return *max_element ( v.begin(), v.end() );
00558 }
00559 
00560 double NTuple::columnMin( const std::string & name ) const
00561 {
00562   const vector< double > & c = getColumn( name );
00563   return *min_element( c.begin(), c.end() );
00564 }
00565 
00566 double NTuple::columnMax( const std::string & name ) const
00567 {
00568   const vector< double > & c = getColumn( name );
00569   return *max_element( c.begin(), c.end() );
00570 }
00571 
00572 /* virtual */
00573 void NTuple::notifyObservers ( ) const
00574 {
00575   if ( m_i_enabled == false ) {
00576     Observable::notifyObservers ( );
00577     return;
00578   }
00579 
00580   m_i_current++;
00581 
00582   if ( m_i_current == m_i_count ) {
00583     Observable::notifyObservers ( );
00584     m_i_current = 0;
00585   }
00586 }
00587 
00588 void NTuple::setIntervalEnabled ( bool yes )
00589 {
00590   m_i_enabled = yes;
00591   m_i_current = 0;
00592 
00593   if ( yes == false ) notifyObservers ();
00594 }
00595 
00596 bool NTuple::isIntervalEnabled () const
00597 {
00598   return m_i_enabled;
00599 }
00600 
00601 void NTuple::setIntervalCount ( int number )
00602 {
00603   m_i_count = number;
00604   m_i_current = 0;
00605 }
00606 
00607 unsigned int NTuple::getIntervalCount ( ) const
00608 {
00609   return m_i_count;
00610 }
00611 
00612 bool
00613 NTuple::
00614 fillRange ( unsigned int column, Range & range ) const
00615 {
00616   vector < double > & v = *m_data[column];
00617 
00618   range.setRange ( v.begin(), v.end() );
00619 
00620   return true;
00621 }
00622 
00623 double
00624 NTuple::
00625 sum ( unsigned int column ) const
00626 {
00627   double sum = 0.0;
00628   const vector < double > & data = *m_data[ column ];
00629 
00630   return accumulate ( data.begin(), data.end(), sum );
00631 }

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