/**
 * float - read a float from the command line.  Intended mostly as
 * sample code.
 */

// +---------+--------------------------------------------------------
// | Headers |
// +---------+

#include <stdio.h>	// For printf
#include <stdlib.h>	// For atof


// +---------+--------------------------------------------------------
// | Helpers |
// +---------+

int
f2i (float f)
{
  return *((int *) &f);
} // f2i

void
print_bits (int n)
{
  unsigned int pos = 1;
  for (pos = pos << 31; pos != 0; pos = pos >> 1)
    {
      if (pos & n)
        putchar ('1');
      else
        putchar ('0');
    } // while
} // print_bits


// +------+-----------------------------------------------------------
// | Main |
// +------+

int
main (int argc, char *argv[])
{
  float f;
  int i;

  // Error checking?  We don't need any error checking!

  // Read the command-line argument and convert it to a float.
  f = (float) atof (argv[1]);

  // Do a bitwise conversion to an int.
  i = f2i (f);

  // Print it out
  printf ("f = %f\n", f);
  printf ("i = %d\n", i);
  printf ("bits: ");
  print_bits (i);
  printf ("\n");

  // And we're done.
  return 0;
} // main