floatingpoint man page on SunOS

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FLOATINGPOINT(3F)					     FLOATINGPOINT(3F)

NAME
       floatingpoint - FORTRAN IEEE floating-point definitions

SYNOPSIS
	#include "floatingpoint.h"

DESCRIPTION
       This file defines constants and types used to implement standard float‐
       ing-point according to ANSI/IEEE Standard  754-1985.   Use  these  con‐
       stants  and  types to write more easily understood .F source files that
       will undergo automatic preprocessing prior to compilation.

       IEEE Rounding Modes:

       fp_direction_type   The type of the IEEE rounding direction mode.   The
			   order of enumeration varies according to hardware.

       fp_precision_type   The type of the IEEE rounding precision mode.  Only
			   for systems with extended precision such as	Sun-3s
			   with 68881s.

       SIGFPE Handling:

       sigfpe_code_type	   The type of a SIGFPE code.

       sigfpe_handler_type The	type of a user-definable SIGFPE exception han‐
			   dler called to handle a particular SIGFPE code.

       SIGFPE_DEFAULT	   A macro indicating  the  default  SIGFPE  exception
			   handling,  namely  for  IEEE exceptions to continue
			   with a default  result,  and	 to  abort  for	 other
			   SIGFPE codes.

       SIGFPE_IGNORE	   A  macro  indicating	 an alternate SIGFPE exception
			   handling, namely to ignore and continue execution.

       SIGFPE_ABORT	   A macro indicating an  alternate  SIGFPE  exception
			   handling, namely to abort with a core dump.

       IEEE Exception Handling:

       N_IEEE_EXCEPTION	   The	number	of distinct IEEE floating-point excep‐
			   tions.

       fp_exception_type   The type of the N_IEEE_EXCEPTION exceptions.	  Each
			   exception is given a bit number.

       fp_exception_field_type
			   The type intended to hold at least N_IEEE_EXCEPTION
			   bits corresponding to the IEEE exceptions  numbered
			   by  fp_exception_type.  Thus fp_inexact corresponds
			   to the least significant bit, and fp_invalid to the
			   fifth  least	 significant bit.  Some operations may
			   set more than one exception.

       IEEE Classification:

       fp_class_type	   A list of the classes of IEEE floating-point values
			   and symbols.

SEE ALSO
       ieee_flags(3M), ieee_handler(3M), ieee_environment(3F)

				  2002/02/08		     FLOATINGPOINT(3F)
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