feraiseexcept man page on HP-UX

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feraiseexcept(3M)					     feraiseexcept(3M)

       feraiseexcept() - raise floating-point exceptions

   HP Integrity Server Only
   PA-RISC Only
       The  function  raises  the floating-point exceptions represented by its
       argument.  The argument can be constructed  as  a  bitwise  OR  of  the
       exception macros: and represents all the exceptions.

       Any traps enabled for the specified exceptions will be taken.

       To  use	this  function, compile either with the default option or with
       the and options.	 Make sure your program includes

       For Integrity servers, specify on the compiler command  line  or	 place
       the call to this function under the effect of an affirmative pragma:

       If  the	pragma	is  placed  outside of any top-level declarations in a
       file, the pragma will apply to all declarations in the compilation fol‐
       lowing  the pragma until another pragma is encountered or until the end
       of the file is reached.

       If the pragma is placed at the beginning of a  block  (compound	state‐
       ment),  the  pragma  will  apply until another pragma is encountered or
       until the end of the block is reached.

       For PA-RISC, you might need to use the compiler option in order to pre‐
       vent  optimizations  that  can undermine the specified behavior of this

       Link in the math library by specifying on the compiler or  linker  com‐
       mand line.

       For more information, see the at the following site:

   Integrity Server Only
       This  function  always  returns	0,  indicating	that all the specified
       exceptions were successfully raised.

   PA-RISC Only

       No errors are defined.

       Raise the underflow and inexact exceptions:

       Raise all exceptions:

       feclearexcept(3M), fegetexceptflag(3M),	fegettrapenable(3M),  fesetex‐
       ceptflag(3M), fesettrapenable(3M), fetestexcept(3M), fenv(5).

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


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