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LDEXP(3)                   Linux Programmer's Manual                  LDEXP(3)



NAME
       ldexp,  ldexpf,  ldexpl  -  multiply  floating-point number by integral
       power of 2

SYNOPSIS
       #include <&lt;math.h>&gt;

       double ldexp(double x, int exp);
       float ldexpf(float x, int exp);
       long double ldexpl(long double x, int exp);

       Link with -lm.

DESCRIPTION
       The ldexp() function returns the result of  multiplying  the  floating-
       point number x by 2 raised to the power exp.

CONFORMING TO
       SVr4, 4.3BSD, C89.  The float and long double variants are C99 require-
       ments.

SEE ALSO
       frexp(3), modf(3), scalb(3)

COLOPHON
       This page is part of release 3.05 of the Linux  man-pages  project.   A
       description  of  the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.



                                  2004-10-31                          LDEXP(3)