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EXP2(3) 		   Linux Programmers Manual		      EXP2(3)



NAME
       exp2, exp2f, exp2l - base-2 exponential function

SYNOPSIS
       #include 

       double exp2(double x);
       float exp2f(float x);
       long double exp2l(long double x);

       Link with -lm.

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

       exp2(), exp2f(), exp2l(): _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE; or
       cc -std=c99

DESCRIPTION
       The exp2() function returns the value of 2 raised to the power of x.

CONFORMING TO
       SVr4, POSIX.1-2001, 4.3BSD, C89, C99.  The float and long double  vari
       ants are C99 requirements.

SEE ALSO
       cbrt(3), cexp2(3), exp(3), exp10(3), sqrt(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/.



				  2007-07-26			       EXP2(3)




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