patch-2.4.20 linux-2.4.20/arch/mips64/math-emu/ieee754dp.h
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- Lines: 84
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
linux-2.4.19/arch/mips64/math-emu/ieee754dp.h
- Orig date:
Mon Jul 2 13:56:41 2001
diff -urN linux-2.4.19/arch/mips64/math-emu/ieee754dp.h linux-2.4.20/arch/mips64/math-emu/ieee754dp.h
@@ -1,83 +0,0 @@
-/*
- * IEEE754 floating point
- * double precision internal header file
- */
-/*
- * MIPS floating point support
- * Copyright (C) 1994-2000 Algorithmics Ltd. All rights reserved.
- * http://www.algor.co.uk
- *
- * ########################################################################
- *
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * ########################################################################
- */
-
-
-#include "ieee754int.h"
-
-#define assert(expr) ((void)0)
-
-/* 3bit extended double precision sticky right shift */
-#define XDPSRS(v,rs) \
- ((rs > (DP_MBITS+3))?1:((v) >> (rs)) | ((v) << (64-(rs)) != 0))
-
-#define XDPSRSX1() \
- (xe++, (xm = (xm >> 1) | (xm & 1)))
-
-#define XDPSRS1(v) \
- (((v) >> 1) | ((v) & 1))
-
-/* convert denormal to normalized with extended exponent */
-#define DPDNORMx(m,e) \
- while( (m >> DP_MBITS) == 0) { m <<= 1; e--; }
-#define DPDNORMX DPDNORMx(xm,xe)
-#define DPDNORMY DPDNORMx(ym,ye)
-
-static __inline ieee754dp builddp(int s, int bx, unsigned long long m)
-{
- ieee754dp r;
-
- assert((s) == 0 || (s) == 1);
- assert((bx) >= DP_EMIN - 1 + DP_EBIAS
- && (bx) <= DP_EMAX + 1 + DP_EBIAS);
- assert(((m) >> DP_MBITS) == 0);
-
- r.parts.sign = s;
- r.parts.bexp = bx;
- r.parts.mant = m;
- return r;
-}
-
-extern int ieee754dp_isnan(ieee754dp);
-extern int ieee754dp_issnan(ieee754dp);
-extern int ieee754si_xcpt(int, const char *, ...);
-extern long long ieee754di_xcpt(long long, const char *, ...);
-extern ieee754dp ieee754dp_xcpt(ieee754dp, const char *, ...);
-extern ieee754dp ieee754dp_nanxcpt(ieee754dp, const char *, ...);
-extern ieee754dp ieee754dp_bestnan(ieee754dp, ieee754dp);
-extern ieee754dp ieee754dp_format(int, int, unsigned long long);
-
-
-#define DPNORMRET2(s,e,m,name,a0,a1) \
-{ \
- ieee754dp V = ieee754dp_format(s,e,m); \
- if(TSTX()) \
- return ieee754dp_xcpt(V,name,a0,a1); \
- else \
- return V; \
-}
-
-#define DPNORMRET1(s,e,m,name,a0) DPNORMRET2(s,e,m,name,a0,a0)
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