GlobalFunctions.h

#pragma once

#if defined(GlobalFunctions_RECURSES)
#error Recursive header files inclusion detected in GlobalFunctions.h
#else // defined(GlobalFunctions_RECURSES)

#define GlobalFunctions_RECURSES

#if !defined GlobalFunctions_h

#define GlobalFunctions_h

// Inclusions
#include <algorithm>
#include <functional>
#include "DGtal/base/Common.h"

namespace DGtal 
{
  
  template<typename T>
  T minDGtal(const T & a, const T & b)
  {
    BOOST_CONCEPT_ASSERT((boost::EqualityComparable<T>));
    BOOST_CONCEPT_ASSERT((boost::LessThanComparable<T>));
    if (a<=b) 
      return a;
    else
      return b;
  }
  
  template<typename T>
  T maxDGtal(const T & a, const T & b)
  {
    BOOST_CONCEPT_ASSERT((boost::EqualityComparable<T>));
    BOOST_CONCEPT_ASSERT((boost::LessThanComparable<T>));
    if (a>=b) 
      return a;
    else
      return b;
  }
  
  template<typename T>
  T abs(const T & a)
  {
    BOOST_CONCEPT_ASSERT((boost::LessThanComparable<T>));
    if (a<0) 
      return -a;
    else
      return a;
  }
  
  
}

#endif // !defined GlobalFunctions_h

#undef GlobalFunctions_RECURSES
#endif // else defined(GlobalFunctions_RECURSES)