isgreater man page on Archlinux

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ISGREATER(3P)		   POSIX Programmer's Manual		 ISGREATER(3P)

       This  manual  page is part of the POSIX Programmer's Manual.  The Linux
       implementation of this interface may differ (consult the	 corresponding
       Linux  manual page for details of Linux behavior), or the interface may
       not be implemented on Linux.

       isgreater — test if x greater than y

       #include <math.h>

       int isgreater(real-floating x, real-floating y);

       The functionality described on this reference page is aligned with  the
       ISO C  standard.	 Any  conflict between the requirements described here
       and the ISO C standard is unintentional. This  volume  of  POSIX.1‐2008
       defers to the ISO C standard.

       The  isgreater()	 macro	shall  determine whether its first argument is
       greater than its second argument. The value of isgreater(x, y) shall be
       equal  to  (x) > (y);  however, unlike (x) > (y), isgreater(x, y) shall
       not raise the  invalid  floating-point  exception  when	x  and	y  are

       Upon  successful	 completion,  the  isgreater()	macro shall return the
       value of (x) > (y).

       If x or y is NaN, 0 shall be returned.

       No errors are defined.

       The following sections are informative.


       The relational and equality operators support  the  usual  mathematical
       relationships  between  numeric values. For any ordered pair of numeric
       values, exactly one of the relationships (less, greater, and equal)  is
       true.  Relational operators may raise the invalid floating-point excep‐
       tion when argument values are NaNs. For a NaN and a numeric  value,  or
       for  two NaNs, just the unordered relationship is true. This macro is a
       quiet (non-floating-point exception raising) version  of	 a  relational
       operator.  It facilitates writing efficient code that accounts for NaNs
       without suffering the invalid floating-point exception. In the SYNOPSIS
       section,	 real-floating indicates that the argument shall be an expres‐
       sion of real-floating type.



       isgreaterequal(),     isless(),	   islessequal(),     islessgreater(),

       The Base Definitions volume of POSIX.1‐2008, <math.h>

       Portions	 of  this text are reprinted and reproduced in electronic form
       from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology
       --  Portable  Operating	System	Interface (POSIX), The Open Group Base
       Specifications Issue 7, Copyright (C) 2013 by the Institute of Electri‐
       cal  and	 Electronics  Engineers,  Inc  and  The	 Open Group.  (This is
       POSIX.1-2008 with the 2013 Technical Corrigendum	 1  applied.)  In  the
       event of any discrepancy between this version and the original IEEE and
       The Open Group Standard, the original IEEE and The Open Group  Standard
       is  the	referee document. The original Standard can be obtained online
       at .

       Any typographical or formatting errors that appear  in  this  page  are
       most likely to have been introduced during the conversion of the source
       files to man page format. To report such errors,	 see  https://www.ker‐ .

IEEE/The Open Group		     2013			 ISGREATER(3P)

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