This document is a Mac OS X manual page. Manual pages are a command-line technology for providing documentation. You can view these manual pages locally using the man(1) command. These manual pages come from many different sources, and thus, have a variety of writing styles.

For more information about the manual page format, see the manual page for manpages(5).

LDEXP(3)                 BSD Library Functions Manual                 LDEXP(3)

NAME
     ldexp -- multiply by integer power of 2

SYNOPSIS
     #include <math.h>

     double
     ldexp(double x, int n);

     long double
     ldexpl(long double x, int n);

     float
     ldexpf(float x, int n);

DESCRIPTION
     The ldexp() functions multiply x by 2 to the power n.

SPECIAL VALUES
     ldexp(+-0, n) returns +-0.

     ldexp(x, 0) returns x.

     ldexp(+-infinity, n) returns +-infinity.

SEE ALSO
     math(3), scalbn(3)

STANDARDS
     The ldexp() functions conform to ISO/IEC 9899:1999(E).

BSD                              July 22, 2003                             BSD