SCALBN(3)

NAME
scalbn, scalbln

SYNOPSIS
#include <math.h>
double
scalbn(double x, int n);
long double
scalbnl(long double x, int n);
float
scalbnf(float x, int n);
double
scalbln(double x, long int n);
long double
scalblnl(long double x, long int n);
float
scalblnf(float x, long int n);

DESCRIPTION
The scalbn() , and scalbln() functions return x*(2**n) computed by exponent manipulation.

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

scalbn(x, 0) returns x.

scalbn(±infinity, n) returns ±infinity.

scalbln() has the same special values.

SEE ALSO
math(3), ldexp(3)

STANDARDS
The scalbn() , and scalbln() functions conform to ISO/IEC 9899:1999(E).