C Programming on the IBM PC (C Programmers Reference Guide Series)

2017-07-07 02:10:07

ldexp

#include <cmath>float ldexp(float num, int exp);double ldexp(double num, int exp); long double ldexp(long double num, int exp);

The ldexp( ) returns the value of num * 2^exp.If overflow occurs, HUGE_VAL is returned^.

Related functions are frexp( ) and modf( ).