SCALBN(3) BSD Library Functions Manual SCALBN(3)NAME
scalbn, scalbln
SYNOPSIS
#include <math.h>
double
scalbn(double x, int n);
float
scalbnf(float x, int n);
double
scalbln(double x, long int n);
float
scalblnf(float x, long int n);
DESCRIPTION
The scalbn() , scalbnf() , scalbln() , and scalblnf() 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 ALSOmath(3), ldexp(3)STANDARDS
The scalbn() , scalbnf() , scalbln() , and scalblnf() functions conform
to ISO/IEC 9899:1999(E).
BSD July 23, 2003 BSD