CentOS 4.8

GNU/Linux	CentOS 4.8	i386
	ldexp(3)

LDEXP

NAME

ldexp, ldexpf, ldexpl − multiply floating-point number by integral power of 2

#include <math.h>

double ldexp(double x, int exp);

float ldexp(float x, int exp);

long double ldexp(long double x, int exp);

The ldexp() function returns the result of multiplying the floating-point number x by 2 raised to the power exp.

SVID 3, POSIX, BSD 4.3, ISO 9899. The float and the long double variants are C99 requirements.