◄Summary► ◄Example► ◄Up► ◄Contents► ◄Index► ◄Back► ──────────────────────────────────────────────────────────────────────────── The ldexp function calculates and returns the value of <x>*2^<exp>. The ldexpl function uses the 80-bit long double form of arguments and return values. In all other respects, it is identical to ldexp. Return Value The return value is noted above. If an overflow results, the functions return ± HUGE_VAL (depending on the sign of <x>) and set errno to ERANGE. -♦-