ilogb: returns the exponent of num : ilogb « math.h « C / ANSI-C






ilogb: returns the exponent of num


    

//Declaration: int ilogbf(float num); 
               int ilogb(double num); 
               int ilogbl(long double num);  
 

    
  

  #include <math.h>
  #include <stdio.h>

  int main(void)
  {

     int e;

     e = ilogbl(4);
 
     printf("%d", e);
 
  }

         
        /*2*/ 

           
       








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