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scalbn(3M)							    scalbn(3M)

NAME
       scalbn(),  scalbnf(),  scalbnl(), scalbnq(), scalbnw() - scale exponent
       of a radix-independent floating-point number

SYNOPSIS
   HP Integrity Servers Only
DESCRIPTION
       The function returns where r is the radix of  the  machine's  floating-
       point  arithmetic.   When r is 2 (as it is on all PA-RISC and Integrity
       servers), computes the same value as

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

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

       is an version of it takes an first 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.

       Make  sure your program includes 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
       and are equivalent.

       If x zero, or a NaN, returns x.

       returns a properly signed infinity 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.

ERRORS
       No errors are defined.

SEE ALSO
       ilogb(3M), ldexp(3M), logb(3M), scalb(3M), scalbln(3M), math(5).

STANDARDS CONFORMANCE
       :  ISO/IEC  C99	(including  Annex  F, "IEC 60559 floating-point arith‐
       metic")

								    scalbn(3M)

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