testMultiStatistics.cpp File Reference

#include <iostream>
#include "DGtal/base/Common.h"
#include "ConfigTest.h"
#include "DGtalCatch.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/math/MultiStatistics.h"

Go to the source code of this file.

Functions
	TEST_CASE ("Testing MultiStatistics")

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

Bertrand Kerautret (kerau.nosp@m.tre@.nosp@m.loria.nosp@m..fr ) LORIA (CNRS, UMR 7503), University of Nancy, France

Date

2015/11/10

Functions for testing class MultiStatistics.

This file is part of the DGtal library.

Definition in file testMultiStatistics.cpp.

Function Documentation

TEST_CASE()

TEST_CASE

(

"Testing MultiStatistics"

)

Definition at line 46 of file testMultiStatistics.cpp.

{  
  MultiStatistics stats (100, false);
  for(unsigned int i = 0; i< 100; i++)
    {
      for(unsigned int j = 0; j<= i; j++)
        {
          stats.addValue(i, j);
        }
    }
  stats.terminate();
    
  SECTION("Testing multiStatics estimated quantities without saving the data")
    {
      unsigned int val = 50;
      REQUIRE( stats.max(val) == val );      
      REQUIRE( stats.min(val) == 0 );      
      REQUIRE( stats.mean(val) == val/2.0  );      
      val = 31;
      REQUIRE( stats.max(val) == val );      
      REQUIRE( stats.min(val) == 0 );      
      REQUIRE( stats.mean(val) == val/2.0  );      
    }
 
  MultiStatistics stats2 (100, true);
  for(unsigned int i = 0; i< 100; i++)
    {
      for(unsigned int j = 0; j<= i; j++)
        {
          stats2.addValue(i, j);
        }
    }
  stats2.terminate();
 
  SECTION("Testing multiStatics estimated quantities with saving the data")
    {
      unsigned int val = 12;
      REQUIRE( stats2.max(val) == val );      
      REQUIRE( stats2.min(val) == 0 );      
      REQUIRE( stats2.mean(val) == val/2.0  );      
      REQUIRE( stats2.median(val) == ((val+1)/2)  );      
      val = 33;
      REQUIRE( stats2.max(val) == val );      
      REQUIRE( stats2.min(val) == 0 );      
      REQUIRE( stats2.mean(val) == val/2.0  );      
      REQUIRE( stats2.median(val) == ((val+1)/2) );            
    }
 
 
  MultiStatistics stats3 (100, true);
  for(unsigned int i = 0; i< 100; i++)
    {
      std::vector<double> vectValues; 
      for(unsigned int j = 0; j<= i; j++)
        {
          vectValues.push_back(j);
        }
      stats3.addValues(i, vectValues.begin(), vectValues.end());
    }
  stats3.terminate();
 
  SECTION("Testing feature math of MultiStatistics with saving data")
    {
      unsigned int val = 12;
      REQUIRE( stats3.max(val) == val );      
      REQUIRE( stats3.min(val) == 0 );      
      REQUIRE( stats3.mean(val) == val/2.0  );      
      REQUIRE( stats3.median(val) == ((val+1)/2)  );      
      val = 33;
      REQUIRE( stats3.max(val) == val );      
      REQUIRE( stats3.min(val) == 0 );      
      REQUIRE( stats3.mean(val) == val/2.0  );      
      REQUIRE( stats3.median(val) == ((val+1)/2) );            
    }
 
 
}

References DGtal::MultiStatistics::addValue(), DGtal::MultiStatistics::addValues(), DGtal::MultiStatistics::max(), DGtal::MultiStatistics::mean(), DGtal::MultiStatistics::median(), DGtal::MultiStatistics::min(), REQUIRE(), SECTION(), and DGtal::MultiStatistics::terminate().