exp2(3M)																  exp2(3M)

NAME

       exp2(), exp2f(), exp2l(), exp2w(), exp2q() - base-2 exponential functions

SYNOPSIS

   HP Integrity Server Only
DESCRIPTION

       returns

   Integrity System Only
       is a version of it takes a argument and returns a result.

       is a version of it takes a argument and returns a result.

       is an version of it takes an argument and returns an result.

       is equivalent to on HP-UX systems.

USAGE

       To use these functions, compile either with the default option or with the and options.

       To use (for Integrity servers) or compile also with the option.

       To use these functions, make sure your program includes and link in the math library by specifying on the compiler or linker command line.

       For more information, see the at the following site:

RETURN VALUE

       returns 1.

       If x is +INFINITY, returns +INFINITY.

       If x is -INFINITY, returns zero.

       If x is NaN, returns NaN.

       returns infinity (equal to in lieu of a value whose magnitude is too large, and raises the overflow and inexact exceptions.

       raises  the underflow and inexact exceptions whenever a result is tiny (essentially denormal or zero) and thereby suffers loss of accuracy,
       and may raise those exceptions if the result is merely tiny.

       raises the inexact exception whenever a rounded result does not equal the mathematical result.

ERRORS

   Integrity Server Only
       If the correct value would overflow, sets to [ERANGE].

       HP-UX functions on Integrity servers do not set by default.  For setting, compile with the option.

SEE ALSO

       cbrt(3M), exp(3M), exp10(3M), expm1(3M), log2(3M), pow(3M), sqrt(3M), math(5).

STANDARDS CONFORMANCE

       : ISO/IEC C99 (including Annex F, ``IEC 60559 floating-point arithmetic'')

																	  exp2(3M)