// 20 Oct 2006, Jeff Ondich
// A toy program for investigating the 32-bit IEEE 754 floating point format.
//
// For those of you who have not worked with C++, compile this like so:
//
//    g++ -o floatformat floatformat.cpp
//
// and then run simply by typing the name of the executable:
//
//    floatformat
//

#include <iostream>
using namespace std;

void printfloat( float x )
{
    cout << x
         << ", "
         << "0x"
         << hex
         << (*((int *)&x))
         << endl << endl;
}


int main()
{
    float x, y, z;

    x = 0.0;
    y = 0.0;

    z = x / y;
    cout << "Should be not-a-number" << endl;
    printfloat( z );

    z = 5.0 / x;
    cout << "Should be positive infinity" << endl;
    printfloat( z );

    z = -5.0 / x;
    cout << "Should be negative infinity" << endl;
    printfloat( z );

    z = -6.5;
    cout << "Should be -6.5" << endl;
    printfloat( z );

    return 0;
}