#ifndef _utl_Md5Signature_h_
#define _utl_Md5Signature_h_

// $Id$

#include <string>
#include <sstream>
#include <utl/TabulatedFunction.h>
#include <utl/Md5Sum.h>


namespace utl {

  namespace {

    template<typename T>
    inline
    std::string
    Md5SignatureFromSStream(const T& d)
    {
      std::ostringstream os;
      os << d;
      return utl::Md5Sum(os.str()).GetHexDigest();
    }

  }

  std::string Md5Signature(const TabulatedFunction& tf, const unsigned int precision = 6);

  std::string Md5Signature(const double d, const unsigned int precision = 6);

  inline std::string Md5Signature(const bool b)
  { return Md5SignatureFromSStream(b); }

  inline std::string Md5Signature(const int i)
  { return Md5SignatureFromSStream(i); }

}


#endif