scalbn,
scalbnf
[scale by integer]
SYNOPSIS
#include <math.h> double scalbn(double x, int y); float scalbnf(float x, int y);
DESCRIPTION
scalbn
and scalbnf
scale x
by n,
returning x
times 2 to the power, n.
The result is computed by manipulating the exponent, rather than by actually
performing an exponentiation or multiplication.
RETURNS
x
times 2 to the power n.
COMPLIANCE
Neither scalbn
nor scalbnf
is required by ANSI C or by the System
V Interface Definition (Issue 2).