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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 9899:2011.

BSD                            December 11, 2006                           BSD

Mac OS X 10.9.1 - Generated Wed Jan 8 07:28:41 CST 2014
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