mirror of
				https://sourceware.org/git/glibc.git
				synced 2025-10-30 10:45:40 +03:00 
			
		
		
		
	1999-12-29 Ulrich Drepper <drepper@cygnus.com> * soft-fp/*: Tons of new files to implement floating-point arithmetic in software. Contributed by Richard Henderson, Jakub Jelinek and others.
		
			
				
	
	
		
			43 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			43 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Software floating-point emulation.
 | |
|    Return 0 iff a == b, 1 otherwise
 | |
|    Copyright (C) 1997,1999 Free Software Foundation, Inc.
 | |
|    This file is part of the GNU C Library.
 | |
|    Contributed by Richard Henderson (rth@cygnus.com) and
 | |
| 		  Jakub Jelinek (jj@ultra.linux.cz).
 | |
| 
 | |
|    The GNU C Library is free software; you can redistribute it and/or
 | |
|    modify it under the terms of the GNU Library General Public License as
 | |
|    published by the Free Software Foundation; either version 2 of the
 | |
|    License, or (at your option) any later version.
 | |
| 
 | |
|    The GNU C Library is distributed in the hope that it will be useful,
 | |
|    but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 | |
|    Library General Public License for more details.
 | |
| 
 | |
|    You should have received a copy of the GNU Library General Public
 | |
|    License along with the GNU C Library; see the file COPYING.LIB.  If
 | |
|    not, write to the Free Software Foundation, Inc.,
 | |
|    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 | |
| 
 | |
| #include "soft-fp.h"
 | |
| #include "quad.h"
 | |
| 
 | |
| int __eqtf2(long double a, long double b)
 | |
| {
 | |
|   FP_DECL_EX;
 | |
|   FP_DECL_Q(A); FP_DECL_Q(B);
 | |
|   int r;
 | |
| 
 | |
|   FP_UNPACK_RAW_Q(A, a);
 | |
|   FP_UNPACK_RAW_Q(B, b);
 | |
|   FP_CMP_EQ_Q(r, A, B);
 | |
|   if (r && (FP_ISSIGNAN_Q(A) || FP_ISSIGNAN_Q(B)))
 | |
|     FP_SET_EXCEPTION(FP_EX_INVALID);
 | |
|   FP_HANDLE_EXCEPTIONS;
 | |
| 
 | |
|   return r;
 | |
| }
 | |
| 
 | |
| strong_alias(__eqtf2, __netf2);
 |