patch-2.4.20 linux-2.4.20/arch/mips64/math-emu/ieee754int.h
Next file: linux-2.4.20/arch/mips64/math-emu/ieee754m.c
Previous file: linux-2.4.20/arch/mips64/math-emu/ieee754dp.h
Back to the patch index
Back to the overall index
- Lines: 136
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
linux-2.4.19/arch/mips64/math-emu/ieee754int.h
- Orig date:
Mon Jul 2 13:56:41 2001
diff -urN linux-2.4.19/arch/mips64/math-emu/ieee754int.h linux-2.4.20/arch/mips64/math-emu/ieee754int.h
@@ -1,135 +0,0 @@
-/*
- * IEEE754 floating point
- * common 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 "ieee754.h"
-
-#define DP_EBIAS 1023
-#define DP_EMIN (-1022)
-#define DP_EMAX 1023
-#define DP_MBITS 52
-
-#define SP_EBIAS 127
-#define SP_EMIN (-126)
-#define SP_EMAX 127
-#define SP_MBITS 23
-
-#define DP_MBIT(x) ((unsigned long long)1 << (x))
-#define DP_HIDDEN_BIT DP_MBIT(DP_MBITS)
-#define DP_SIGN_BIT DP_MBIT(63)
-
-#define SP_MBIT(x) ((unsigned long)1 << (x))
-#define SP_HIDDEN_BIT SP_MBIT(SP_MBITS)
-#define SP_SIGN_BIT SP_MBIT(31)
-
-
-#define SPSIGN(sp) (sp.parts.sign)
-#define SPBEXP(sp) (sp.parts.bexp)
-#define SPMANT(sp) (sp.parts.mant)
-
-#define DPSIGN(dp) (dp.parts.sign)
-#define DPBEXP(dp) (dp.parts.bexp)
-#define DPMANT(dp) (dp.parts.mant)
-
-#define CLPAIR(x,y) ((x)*6+(y))
-
-#define CLEARCX \
- (ieee754_csr.cx = 0)
-
-#define SETCX(x) \
- (ieee754_csr.cx |= (x),ieee754_csr.sx |= (x),ieee754_csr.mx & (x))
-
-#define TSTX() \
- (ieee754_csr.cx & ieee754_csr.mx)
-
-
-#define COMPXSP \
- unsigned xm; int xe; int xs; int xc
-
-#define COMPYSP \
- unsigned ym; int ye; int ys; int yc
-
-#define EXPLODESP(v,vc,vs,ve,vm) \
-{\
- vs = SPSIGN(v);\
- ve = SPBEXP(v);\
- vm = SPMANT(v);\
- if(ve == SP_EMAX+1+SP_EBIAS){\
- if(vm == 0)\
- vc = IEEE754_CLASS_INF;\
- else if(vm & SP_MBIT(SP_MBITS-1)) \
- vc = IEEE754_CLASS_QNAN;\
- else \
- vc = IEEE754_CLASS_SNAN;\
- } else if(ve == SP_EMIN-1+SP_EBIAS) {\
- if(vm) {\
- ve = SP_EMIN;\
- vc = IEEE754_CLASS_DNORM;\
- } else\
- vc = IEEE754_CLASS_ZERO;\
- } else {\
- ve -= SP_EBIAS;\
- vm |= SP_HIDDEN_BIT;\
- vc = IEEE754_CLASS_NORM;\
- }\
-}
-#define EXPLODEXSP EXPLODESP(x,xc,xs,xe,xm)
-#define EXPLODEYSP EXPLODESP(y,yc,ys,ye,ym)
-
-
-#define COMPXDP \
-unsigned long long xm; int xe; int xs; int xc
-
-#define COMPYDP \
-unsigned long long ym; int ye; int ys; int yc
-
-#define EXPLODEDP(v,vc,vs,ve,vm) \
-{\
- vm = DPMANT(v);\
- vs = DPSIGN(v);\
- ve = DPBEXP(v);\
- if(ve == DP_EMAX+1+DP_EBIAS){\
- if(vm == 0)\
- vc = IEEE754_CLASS_INF;\
- else if(vm & DP_MBIT(DP_MBITS-1)) \
- vc = IEEE754_CLASS_QNAN;\
- else \
- vc = IEEE754_CLASS_SNAN;\
- } else if(ve == DP_EMIN-1+DP_EBIAS) {\
- if(vm) {\
- ve = DP_EMIN;\
- vc = IEEE754_CLASS_DNORM;\
- } else\
- vc = IEEE754_CLASS_ZERO;\
- } else {\
- ve -= DP_EBIAS;\
- vm |= DP_HIDDEN_BIT;\
- vc = IEEE754_CLASS_NORM;\
- }\
-}
-#define EXPLODEXDP EXPLODEDP(x,xc,xs,xe,xm)
-#define EXPLODEYDP EXPLODEDP(y,yc,ys,ye,ym)
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)