// Find out precision limits. From
// http://www.thescripts.com/forum/thread59794.html

#include <iostream>
#include <ostream>
#include <limits>

int main()
{
  typedef std::numeric_limits< double > dl;
  typedef std::numeric_limits< float > fl;

  using namespace std;


  cout << "double:\n";
  cout << "\tdigits (bits):\t\t" << dl::digits << endl;
  cout << "\tdigits (decimal):\t" << dl::digits10 << endl;

  cout << endl;

  cout << "float:\n";
  cout << "\tdigits (bits):\t\t" << fl::digits << endl;
  cout << "\tdigits (decimal):\t" << fl::digits10 << endl;
}


// In 32 bits machines we get
// double:
// 	digits (bits):		53
// 	digits (decimal):	15

// float:
// 	digits (bits):		24
// 	digits (decimal):	6