testLabels.cpp File Reference

#include <cstdio>
#include <cmath>
#include <iostream>
#include <algorithm>
#include <vector>
#include <bitset>
#include "DGtal/base/Common.h"
#include "DGtal/base/Labels.h"

Go to the source code of this file.

Functions
template<typename Container1 , typename Container2 >
bool	isEqual (Container1 &c1, Container2 &c2)
template<typename VContainer1 , typename LContainer2 >
void	insert (VContainer1 &c1, LContainer2 &c2, unsigned int idx)
template<typename VContainer1 , typename LContainer2 >
bool	checkInsert (VContainer1 &v, LContainer2 &l, unsigned int nb)
template<typename VContainer1 , typename LContainer2 >
void	erase (VContainer1 &c1, LContainer2 &c2, unsigned int idx)
template<typename VContainer1 , typename LContainer2 >
bool	checkErase (VContainer1 &v, LContainer2 &l, unsigned int nb)
int	main ()

Detailed Description

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Author

Jacques-Olivier Lachaud (jacqu.nosp@m.es-o.nosp@m.livie.nosp@m.r.la.nosp@m.chaud.nosp@m.@uni.nosp@m.v-sav.nosp@m.oie..nosp@m.fr ) Laboratory of Mathematics (CNRS, UMR 5807), University of Savoie, France

Date

2012/07/02

This file is part of the DGtal library

Definition in file testLabels.cpp.

Function Documentation

checkErase()

template<typename VContainer1 , typename LContainer2 >

bool checkErase	(	VContainer1 &	v,
		LContainer2 &	l,
		unsigned int	nb
	)

Definition at line 88 of file testLabels.cpp.

{
  for ( unsigned int i = 0; i < nb; ++i )
    {
      unsigned int idx = rand() % ( l.size() );
      erase( v, l, idx );
    }
  return isEqual( v, l );
}

References erase(), and isEqual().

Referenced by main().

checkInsert()

template<typename VContainer1 , typename LContainer2 >

bool checkInsert	(	VContainer1 &	v,
		LContainer2 &	l,
		unsigned int	nb
	)

Definition at line 68 of file testLabels.cpp.

{
  for ( unsigned int i = 0; i < nb; ++i )
    {
      unsigned int idx = rand() % ( l.size() );
      insert( v, l, idx );
    }
  return isEqual( v, l );
}

References insert(), and isEqual().

Referenced by main().

erase()

template<typename VContainer1 , typename LContainer2 >

void erase	(	VContainer1 &	c1,
		LContainer2 &	c2,
		unsigned int	idx
	)

Definition at line 80 of file testLabels.cpp.

{
  c1.reset( idx );
  c2.reset( idx );
}

Referenced by checkErase(), and main().

insert()

template<typename VContainer1 , typename LContainer2 >

void insert	(	VContainer1 &	c1,
		LContainer2 &	c2,
		unsigned int	idx
	)

Definition at line 60 of file testLabels.cpp.

{
  c1.set( idx );
  c2.set( idx );
}

Referenced by checkInsert(), and main().

isEqual()

template<typename Container1 , typename Container2 >

bool isEqual	(	Container1 &	c1,
		Container2 &	c2
	)

Definition at line 45 of file testLabels.cpp.

{
  if ( c1.size() == c2.size() )
    {
      for ( unsigned int i = 0; i < c1.size(); ++i )
        {
          if ( c1.test( i ) != c2.test( i ) )
            return false;
        }
      return true;
    }
  return false;
}

Referenced by checkErase(), checkInsert(), and main().

main()

int main

(

void

)

Definition at line 100 of file testLabels.cpp.

{
  typedef Labels<80, DGtal::uint32_t> MyLabels;
  typedef MyLabels::ConstIterator LabelsConstIterator;
  typedef std::bitset<80> MyBitset;
 
  BOOST_CONCEPT_ASSERT(( boost::ForwardIterator< LabelsConstIterator > ));
 
  unsigned int nb = 0;
  unsigned int nbok = 0;
  trace.beginBlock ( "Testing Labels" );
  MyLabels l;
  MyBitset v;
  ++nb; nbok += isEqual( v, l ) ? 1 : 0;
  std::cout << "(" << nbok << "/" << nb << ") l=" << l << std::endl; 
  insert( v, l, 15 );
  insert( v, l, 4 );
  ++nb; nbok += isEqual( v, l ) ? 1 : 0;
  std::cout << "(" << nbok << "/" << nb << ") l=" << l << std::endl; 
  insert( v, l, 62 );
  insert( v, l, 4 );
  insert( v, l, 78 );
  insert( v, l, 31 );
  insert( v, l, 32 );
  ++nb; nbok += isEqual( v, l ) ? 1 : 0;
  std::cout << "(" << nbok << "/" << nb << ") l=" << l << std::endl; 
  checkInsert( v, l, 40 );
  ++nb; nbok += isEqual( v, l ) ? 1 : 0;
  std::cout << "(" << nbok << "/" << nb << ") l=" << l << std::endl; 
  checkErase( v, l, 200 );
  ++nb; nbok += isEqual( v, l ) ? 1 : 0;
  std::cout << "(" << nbok << "/" << nb << ") l=" << l << std::endl;
  for ( LabelsConstIterator it = l.begin(), it_end = l.end();
        it != it_end; ++it )
    std::cout << " " << *it;
  std::cout << std::endl;
 
  trace.endBlock();
 
  // Test related to pull request #971 & #972
  typedef Labels<32, DGtal::uint32_t> MySmallLabels;
  typedef MySmallLabels::ConstIterator SmallLabelsConstIterator;
  typedef std::bitset<32> MySmallBitset;
  
  trace.beginBlock ( "Testing one word long Labels" );
  MySmallLabels ll;
  MySmallBitset vv;
 
  ++nb; nbok += isEqual( vv, ll ) ? 1 : 0;
  std::cout << "(" << nbok << "/" << nb << ") small_l=" << ll << std::endl; 
 
  insert( vv, ll, 15 );
  insert( vv, ll, 4 );
  insert( vv, ll, 31 );
  ++nb; nbok += isEqual( vv, ll ) ? 1 : 0;
  std::cout << "(" << nbok << "/" << nb << ") small_l=" << ll << std::endl; 
 
  erase( vv, ll, 15 );
  ++nb; nbok += isEqual( vv, ll ) ? 1 : 0;
  std::cout << "(" << nbok << "/" << nb << ") small_l=" << ll << std::endl; 
  
  // Check insertion at index 0
  insert( vv, ll, 0 );
  ++nb; nbok += isEqual( vv, ll ) ? 1 : 0;
  std::cout << "(" << nbok << "/" << nb << ") small_l=" << ll << std::endl; 
 
  // Check bit count computation
  ++nb; nbok += ll.count() == 3 ? 1 : 0;
  std::cout << "(" << nbok << "/" << nb << ") small_l.count()=" << ll.count() << std::endl;
 
  // Compare with size computed with iterators
  unsigned int cnt = 0;
  for ( SmallLabelsConstIterator it = ll.begin(), it_end = ll.end(); it != it_end; ++cnt, ++it) {}
  ++nb; nbok += cnt == 3 ? 1 : 0;
  std::cout << "(" << nbok << "/" << nb << ") small_l bit count with iterators=" << cnt << std::endl;
  
  trace.endBlock();
 
  return ( nb == nbok ) ? 0 : 1;
}

References DGtal::Trace::beginBlock(), checkErase(), checkInsert(), cnt, DGtal::Trace::endBlock(), erase(), insert(), isEqual(), and DGtal::trace.