ldexp(3) -- Linux man page
NAME
ldexp, ldexpf, ldexpl - multiply floating-point number by integral power of 2
SYNOPSIS
#include <math.h>
double ldexp(double x, int exp);
float ldexp(float x, int exp);
long double ldexp(long double x, int exp);
DESCRIPTION
The
ldexp()
function returns the result of multiplying the floating-point number
x
by 2 raised to the power
exp.
CONFORMING TO
SVID 3, POSIX, BSD 4.3, ISO 9899.
The float and the long double variants are C99 requirements.
SEE ALSO
frexp(3),
modf(3)
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