/* ----------------------------------------------------------------------
//  Figure 8.6:  Floating point underflow.                             
// ----------------------------------------------------------------------
//      This program continually divides a number by 100 until the result  
//      is too small to store as a normalized float.
*/ 
#include <stdio.h>                                   

void main( void )                                                      
{   
    int N;      
    float frac = 1.0;  

    puts( "\n Dividing by 10; frac=1/(10 to the Nth power) \n" );  
    for (N = 0; N < 25; ++N) {     
        printf( " N=%3i   frac= %13.8g    1+frac= %13.8g\n", N, frac, 1+frac );  
        frac = frac / 10;                                  
    }                                                   
}