/******************************************************************************
  Demonstrate use of "finite" to detect IEEE double precision Infinity
    and Not-a-Number

  Translation:  g++ project04.demo.cpp
******************************************************************************/

using namespace std;

#include <iostream>
#include <iomanip>
#include <cmath>

void test( double );

int main()
{
  cout << endl << setiosflags( ios::fixed ) << setprecision(8);

  test( 7.625 );

  test( 0.0 );

  test( INFINITY );

  test( NAN );
}

void test( double val )
{
  if (finite( val ))
  {
    cout << "Value is a finite number: " << val << endl << endl;
  }
  else
  {
    cout << "Value is Infinity or Not-A-Number: " << val << endl << endl;
  }
  return;
}