Skip site navigation (1)Skip section navigation (2)

FreeBSD Man Pages

Man Page or Keyword Search:
Man Architecture
Apropos Keyword Search (all sections) Output format
home | help
SCALBN(3)              FreeBSD 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 5.5.

FreeBSD 11.0-PRERELEASE          March 4, 2005         FreeBSD 11.0-PRERELEASE

NAME | LIBRARY | SYNOPSIS | DESCRIPTION | SEE ALSO | STANDARDS | HISTORY

Want to link to this manual page? Use this URL:
<https://www.freebsd.org/cgi/man.cgi?query=scalbn&sektion=3&manpath=FreeBSD+6.0-RELEASE>

home | help