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
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.