#include <math.h> double
scalbln (double x long n); float
scalblnf (float x long n); long double
scalblnl (long double x long n); double
scalbn (double x int n); float
scalbnf (float x int n); long double
scalbnl (long double x int n);
DESCRIPTION
These routines return
Fa x Ns *(2** Ns Fa n )
computed by exponent manipulation.
These routines conform to
St -isoC-99 ,
and they implement the Scalb function recommended by
St -ieee754 .
HISTORY
The
scalbn ();
and
scalbnf ();
functions appeared in
BSD 4.3
and
Fx 2.0 ,
respectively.
The
scalbln ();
and
scalblnf ();
functions first appeared in
Fx 5.3 ,
and
scalblnl ();
and
scalbln ();
in
Fx 6.0 .