LDEXP(3)

NAME
ldexp - multiply by integer power of 2

SYNOPSIS
#include <math.h>
double
ldexp(double x, int n);
long double
ldexpl(long double x, int n);
float
ldexpf(float x, int n);

DESCRIPTION
The ldexp() functions multiply x by 2 to the power n.

SPECIAL VALUES
ldexp(±0, n) returns ±0.

ldexp(x, 0) returns x.

ldexp(±infinity, n) returns ±infinity.

SEE ALSO
math(3), scalbn(3)

STANDARDS
The ldexp() functions conform to ISO/IEC 9899:1999(E).