maxRecorder.h

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#ifndef DLR_NUMERIC_MAXRECORDER_H
#define DLR_NUMERIC_MAXRECORDER_H

#include <limits>

namespace dlr {

  namespace numeric {
    
    template<class Type, class Payload>
    class MaxRecorder {
    public:

      MaxRecorder() : m_max(), m_payload() {this->reset();}


      bool
      test(const Type& value, const Payload& payload) {
        if(value > m_max) {
          m_max = value;
          m_payload = payload;
          return true;
        }
        return false;
      }


      const Type&
      getMax() {return m_max;}


      const Payload&
      getPayload() {return m_payload;}


      void
      reset() {
        if(std::numeric_limits<Type>::is_signed) {
          m_max = -std::numeric_limits<Type>::max();
        } else {
          m_max = std::numeric_limits<Type>::min();
        }
      }

    private:

      Type m_max;
      Payload m_payload;

    };

  } // namespace numeric

} // namespace dlr

#endif // #ifdef DLR_NUMERIC_MAXRECORDER_H