patch-2.4.20 linux-2.4.20/arch/mips64/math-emu/sp_fdp.c
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- Lines: 70
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
linux-2.4.19/arch/mips64/math-emu/sp_fdp.c
- Orig date:
Mon Jul 2 13:56:41 2001
diff -urN linux-2.4.19/arch/mips64/math-emu/sp_fdp.c linux-2.4.20/arch/mips64/math-emu/sp_fdp.c
@@ -1,69 +0,0 @@
-/* IEEE754 floating point arithmetic
- * single precision
- */
-/*
- * 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 "ieee754sp.h"
-
-ieee754sp ieee754sp_fdp(ieee754dp x)
-{
- COMPXDP;
-
- CLEARCX;
-
- EXPLODEXDP;
-
- switch (xc) {
- case IEEE754_CLASS_QNAN:
- case IEEE754_CLASS_SNAN:
- return ieee754sp_nanxcpt(buildsp(xs,
- SP_EMAX + 1 + SP_EBIAS,
- (unsigned long)
- (xm >>
- (DP_MBITS - SP_MBITS))),
- "fdp", x);
- case IEEE754_CLASS_INF:
- return ieee754sp_inf(xs);
- case IEEE754_CLASS_ZERO:
- return ieee754sp_zero(xs);
- case IEEE754_CLASS_DNORM:
- /* cant possibly be sp representable */
- SETCX(IEEE754_UNDERFLOW);
- return ieee754sp_xcpt(ieee754sp_zero(xs), "fdp", x);
- case IEEE754_CLASS_NORM:
- break;
- }
-
- {
- unsigned long rm;
-
- /* convert from DP_MBITS to SP_MBITS+3 with sticky right shift
- */
- rm = (xm >> (DP_MBITS - (SP_MBITS + 3))) |
- ((xm << (64 - (DP_MBITS - (SP_MBITS + 3)))) != 0);
-
- SPNORMRET1(xs, xe, rm, "fdp", x);
- }
-}
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