Computes a real number from the mantissa and exponent.

#include <math.h>

double ldexp (double x, int exp);

Parameters

x

Mantissa value.

exp

Integer exponent.

Return Values

• Returns x * 2exp.
• +/-HUGE_VAL (depending on the sign of x) on overflow, and the function sets errno to ERANGE.
• This function does not return standard ANSI domain or range errors.

Requirements

See Also

frexp, modf