coriolis/crlcore/src/ccore/Histogram.cpp

290 lines
7.6 KiB
C++

// -*- C++ -*-
//
// This file is part of the Coriolis Software.
// Copyright (c) Sorbonne Universite 2008-2019, All Rights Reserved
//
// +-----------------------------------------------------------------+
// | C O R I O L I S |
// | Alliance / Hurricane Interface |
// | |
// | Author : Jean-Paul CHAPUT |
// | E-mail : Jean-Paul.Chaput@lip6.fr |
// | =============================================================== |
// | C++ Module : "./Histogram.cpp" |
// +-----------------------------------------------------------------+
#include <cmath>
#include <sstream>
#include <fstream>
#include <iomanip>
#include "vlsisapd/utilities/Path.h"
#include "crlcore/Histogram.h"
namespace CRL {
using std::string;
using std::ostream;
using std::ofstream;
using std::ostringstream;
using std::setprecision;
using std::setw;
using std::setfill;
using std::vector;
using std::cerr;
using std::endl;
using Hurricane::Record;
Histogram::Histogram ( double range, double step, size_t nbSets )
: _range (range)
, _step (step)
, _mainTitle ()
, _titles (nbSets)
, _colors (nbSets)
, _indents (nbSets)
, _sets (nbSets)
, _totalSamples (nbSets)
, _fileExtension()
{
if (_range != 0.0) {
size_t binSize = (size_t)rint( _range / _step );
for ( size_t iset=0 ; iset<nbSets ; ++iset ) {
_sets[iset] = vector<float>( binSize );
}
}
}
Histogram::~Histogram ()
{ }
void Histogram::addSample ( double sample, size_t iset )
{
if (iset >= _sets.size()) return;
size_t binIndex = (size_t)rint( sample / _step );
if (_range != 0.0) {
if (binIndex >= _sets.front().size()) binIndex = _sets.front().size() - 1;
} else {
while ( _sets.front().size() < binIndex + 1) {
for ( vector<float>& rset : _sets ) rset.push_back( 0.0 );
}
}
_sets [iset][binIndex] += 1.0;
_totalSamples[iset]++;
}
float Histogram::getYRange () const
{
float yrange = 0.0;
for ( size_t iset=0 ; iset<_sets.size() ; ++iset ) {
for ( size_t i=0 ; i<_sets[iset].size() ; ++i )
yrange = std::max ( yrange, _sets[iset][i] );
}
return ceil(yrange*10.0) / 10.0;
}
void Histogram::normalize ( size_t iset )
{
if ( iset > _sets.size() ) return;
for ( size_t i=0 ; i<_sets[iset].size() ; ++i ) _sets[iset][i] /= (float)_totalSamples[iset];
}
void Histogram::toStream ( ostream& o )
{
o << setprecision(3);
for ( size_t i=0 ; i<_sets.front().size() ; ++i ) {
for ( size_t iset=0 ; iset<_sets.size() ; ++iset ) {
o << _sets[iset][i] << " ";
}
o << "\n";
}
}
string Histogram::toString ( size_t iset )
{
if (iset >= _sets.size()) return "";
ostringstream s;
size_t titleWidth = _titles[iset].size();
string hline = _indents[iset] + "+-" + string(titleWidth,'-') + "-+-------------+-----+\n";
string tline = _indents[iset] + "| " + _titles[iset] + " | Count | % |\n";
s << hline << tline << hline;
for ( size_t i=0 ; i<_sets[iset].size() ; ++i ) {
float value = _sets[iset][i];
if ((value == 0.0) and (_range == 0.0)) continue;
size_t percent = value*100.0 / _totalSamples[iset];
s << _indents[iset]
<< "| " << setw(titleWidth) << (size_t)(_step*i)
<< " | " << setw(11) << (size_t)(value)
<< " | " << setw( 3) << percent
<< " | " << string( percent/2, '*' )
<< "\n";
}
s << hline;
return s.str();
}
void Histogram::toFile ( string path )
{
ofstream fd ( path.c_str() );
toStream ( fd );
fd.close ();
}
void Histogram::toGnuplot ( string basename )
{
Utilities::Path datFile ( basename+_fileExtension+".dat" );
toFile ( datFile.toString() );
Utilities::Path pltFile ( basename+_fileExtension+".plt" );
ofstream fd ( pltFile.toString().c_str() );
if ( not _mainTitle.empty() )
fd << "set title \"" << _mainTitle << "\"\n";
fd << "set grid\n";
fd << "set grid noxtics\n";
fd << "set xrange [-0.5:9.5]\n";
fd << "set xtics ( ";
for ( size_t i=0 ; i<10 ; ++i ) {
fd << ((i) ? " ," : "") << "\"<" << ((i+1)*10) << "%%\" " << i;
}
fd << " )\n";
fd << "set yrange [0:" << setprecision(3) << getYRange() << "]\n";
fd << "set ytics ( ";
for ( float i=0.0 ; i<=40.0 ; i+=10.0 ) {
fd << ((i != 0.0) ? " ," : "") << "\"" << i << "%%\" " << (i/100.0);
}
fd << " )\n";
fd << "set style histogram cluster gap 1\n";
fd << "set style fill solid noborder\n";
fd << "set boxwidth 1\n";
for ( size_t iset=0 ; iset<_sets.size() ; ++iset ) {
fd << ((iset) ? " " : "plot ");
fd << "\"" << datFile.toString() << "\" using " << (iset+1);
if ( not _titles[iset].empty() ) fd << " title \"" << _titles[iset] << "\"";
fd << " with histogram";
if ( not _colors[iset].empty() ) fd << " linecolor rgb \"" << _colors[iset] << "\"";
fd << ((iset+1==_sets.size()) ? "\n" : ", \\\n");
}
fd.close ();
}
string Histogram::_getString () const
{
ostringstream s;
s << "<Histogram " << ((_mainTitle.empty()) ? "Anonymous" : _mainTitle) << ">";
return s.str();
}
Record* Histogram::_getRecord () const
{
Record* record = new Record ( _getString() );
if ( record ) {
record->add ( getSlot("_mainTitle",_mainTitle) );
for ( size_t iset=0 ; iset<_sets.size() ; ++iset ) {
ostringstream attributeName;
attributeName << "_titles[" << iset << "]";
record->add ( getSlot(attributeName.str(),&_titles[iset]) );
attributeName.str("");
attributeName << "_colors[" << iset << "]";
record->add ( getSlot(attributeName.str(),&_colors[iset]) );
attributeName.str("");
attributeName << "_sets[" << iset << "]";
record->add ( getSlot(attributeName.str(),&_sets[iset]) );
}
record->add ( getSlot("_fileExtension",_fileExtension) );
}
return record;
}
Measure<Histogram>::Measure ( const Name& name )
: BaseMeasure(name,0)
, _datas ()
{ }
Measure<Histogram>::~Measure ()
{ for ( auto item : _datas ) delete item.second; }
bool Measure<Histogram>::isSimpleData () const
{ return false; }
Histogram* Measure<Histogram>::getData ( size_t index ) const
{ return (index < _datas.size()) ? _datas[index].second : NULL; }
void Measure<Histogram>::setData ( size_t index, Histogram* data )
{
while ( _datas.size() <= index ) _datas.push_back( std::make_pair(0,(Histogram*)NULL) );
delete _datas[index].second;
_datas[index].second = data;
_datas[index].first |= BaseMeasure::Set;
}
std::string Measure<Histogram>::toString ( size_t ) const
{ return "Unsupported"; }
void Measure<Histogram>::toGnuplot ( size_t index, const std::string& basename ) const
{
Histogram* h = getData( index );
ostringstream passName;
passName << basename << "." << setw(2) << setfill('0') << index;
if (h) h->toGnuplot( passName.str() );
}
std::string Measure<Histogram>::_getString () const
{ return "<Measure Histogram>"; }
Record* Measure<Histogram>::_getRecord () const
{
Record* record = new Record ( _getString() );
if ( record ) {
record->add ( getSlot("_datas",_datas) );
}
return record;
}
} // End of CRL namespace.