fe_dec_setround man page on HP-UX

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fe_dec_setround(3M)					   fe_dec_setround(3M)

       fe_dec_setround() - set decimal floating-point rounding direction mode

       The  function establishes the decimal rounding direction represented by
       its argument round.  The round argument must equal one  of  the	macros
       (defined	 in  and  If  the  argument  does not match a decimal rounding
       direction macro, the decimal rounding direction is not changed.

       The default decimal rounding direction mode is round  to	 nearest  with
       half-way cases away from zero

       These  math  functions  are supported for HP-UX 11i Version 3 September
       2008 Update and forward.

       To use this function, compile with the option.

       Make sure your program defines and then includes

       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 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.

       Link in the math library by specifying or on the linking command line.

       For more information, see the at the following site:

       The  function returns a zero value if and only if the argument is equal
       to a decimal rounding direction macro.

       fe_dec_getround(3M), fenv(5).

       This function conforms to ISO/IEC TR 24732, "Extension for the program‐
       ming language C to support decimal floating-point arithmetic".


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