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ldexp

Usage


   #include <math.h>
   double ldexp(double x,int exp);

   ANSI

Description

   The function ldexp multiplies a floating point number by an integral
   power of two.

Example 

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

   int main()
   {
       double x,y;
       int exp;
       x = 1.5;

       exp = 5;
       y = ldexp(x,exp);
       printf("The ldexp (%f exp %d) = %f\n",x,exp,y);
       return EXIT_SUCCESS;
   }

Return Value

   ldexp returns x* 2 raised to the power exp.

See Also

   exp, frexp, log, log10, modf