patch-2.4.20 linux-2.4.20/arch/mips64/math-emu/dp_fsp.c
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- Lines: 71
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
linux-2.4.19/arch/mips64/math-emu/dp_fsp.c
- Orig date:
Mon Jul 2 13:56:40 2001
diff -urN linux-2.4.19/arch/mips64/math-emu/dp_fsp.c linux-2.4.20/arch/mips64/math-emu/dp_fsp.c
@@ -1,70 +0,0 @@
-/* IEEE754 floating point arithmetic
- * double precision: common utilities
- */
-/*
- * 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 "ieee754dp.h"
-
-ieee754dp ieee754dp_fsp(ieee754sp x)
-{
- COMPXSP;
-
- CLEARCX;
-
- EXPLODEXSP;
-
- switch (xc) {
- case IEEE754_CLASS_QNAN:
- case IEEE754_CLASS_SNAN:
- return ieee754dp_nanxcpt(builddp(xs,
- DP_EMAX + 1 + DP_EBIAS,
- ((unsigned long long) xm
- << (DP_MBITS -
- SP_MBITS))), "fsp",
- x);
- case IEEE754_CLASS_INF:
- return ieee754dp_inf(xs);
- case IEEE754_CLASS_ZERO:
- return ieee754dp_zero(xs);
- case IEEE754_CLASS_DNORM:
- /* normalize */
- while ((xm >> SP_MBITS) == 0) {
- xm <<= 1;
- xe--;
- }
- break;
- case IEEE754_CLASS_NORM:
- break;
- }
-
- /* CANT possibly overflow,underflow, or need rounding
- */
-
- /* drop the hidden bit */
- xm &= ~SP_HIDDEN_BIT;
-
- return builddp(xs, xe + DP_EBIAS,
- (unsigned long long) xm << (DP_MBITS - SP_MBITS));
-}
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