SCALBN(3) BSD Library Functions Manual SCALBN(3)
NAME
scalbln, scalblnf, scalblnl, scalbn, scalbnf, scalbnl -- adjust exponent
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
#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 x*(2**n) computed by exponent manipulation.
SEE ALSO
ieee(3), math(3)
STANDARDS
These routines conform to ISO/IEC 9899:1999 (``ISO C99''), and they implement the Scalb function recommended by IEEE Std 754-1985.
HISTORY
The scalbn() and scalbnf() functions appeared in 4.3BSD and FreeBSD 2.0, respectively. The scalbln() and scalblnf() functions first appeared
in FreeBSD 5.3, and scalblnl() and scalbln() in FreeBSD 6.0.
BSD
March 4, 2005 BSD
