testProfile.cpp

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#include <iostream>
#include "DGtal/base/Common.h"
#include "ConfigTest.h"
#include "DGtalCatch.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/math/Profile.h"
 
using namespace std;
using namespace DGtal;

// Functions for testing class Profile.
 
struct LogFct{
  double operator()(const double &a) const {
    return log(a);
  }
};
 
TEST_CASE( "Testing Profile" )
{
 
  Profile<LogFct> sp(Profile<LogFct>::MEAN);
  sp.init(5);
 
  SECTION("Testing basic add of Profile")
    {
      sp.addValue(0, 10.0);
      sp.addValue(1, 10.0);
      sp.addValue(2, 10.0);
      sp.addValue(3, 10.0);
      sp.addValue(4, 10.0);
      std::vector<double> x;
      std::vector<double> y;
      sp.getProfile(x, y);
      REQUIRE( x[3] == Approx(log(4)) );
      REQUIRE( y[3] == Approx(log(10.0)) );
    }
 
  Profile<> sp2(Profile<>::MAX);
  sp2.init(3, true);
 
  SECTION("Testing Profile (with max/median)")
    {
      sp2.addValue(0, 1);
      sp2.addValue(0, 3);
      sp2.addValue(0, 2);
      sp2.addValue(1, 13);
      sp2.addValue(1, 2);
      sp2.addValue(1, 1);
      sp2.addValue(2, 4);
      std::vector<double> x;
      std::vector<double> y;
      sp2.getProfile(x, y);
      REQUIRE( x[0] == 1 );
      REQUIRE( y[0] == 3);
      sp2.setType(Profile<>::MIN);
      x.clear();
      y.clear();
      sp2.getProfile(x, y);
      REQUIRE( x[1] == 2 );
      REQUIRE( y[1] == 1);
      sp2.setType(Profile<>::MEDIAN);
      x.clear();
      y.clear();
      sp2.getProfile(x, y);
      REQUIRE( x[0] == 1 );
      REQUIRE( y[0] == 2);
    }
 
}