diff options
Diffstat (limited to 'arch/mips/math-emu/sp_modf.c')
| -rw-r--r-- | arch/mips/math-emu/sp_modf.c | 79 | 
1 files changed, 0 insertions, 79 deletions
diff --git a/arch/mips/math-emu/sp_modf.c b/arch/mips/math-emu/sp_modf.c deleted file mode 100644 index 25a0fbaa055..00000000000 --- a/arch/mips/math-emu/sp_modf.c +++ /dev/null @@ -1,79 +0,0 @@ -/* IEEE754 floating point arithmetic - * single precision - */ -/* - * MIPS floating point support - * Copyright (C) 1994-2000 Algorithmics Ltd. - * - * ######################################################################## - * - *  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" - -/* modf function is always exact for a finite number -*/ -ieee754sp ieee754sp_modf(ieee754sp x, ieee754sp *ip) -{ -	COMPXSP; - -	CLEARCX; - -	EXPLODEXSP; - -	switch (xc) { -	case IEEE754_CLASS_SNAN: -	case IEEE754_CLASS_QNAN: -	case IEEE754_CLASS_INF: -	case IEEE754_CLASS_ZERO: -		*ip = x; -		return x; -	case IEEE754_CLASS_DNORM: -		/* far to small */ -		*ip = ieee754sp_zero(xs); -		return x; -	case IEEE754_CLASS_NORM: -		break; -	} -	if (xe < 0) { -		*ip = ieee754sp_zero(xs); -		return x; -	} -	if (xe >= SP_MBITS) { -		*ip = x; -		return ieee754sp_zero(xs); -	} -	/* generate ipart mantissa by clearing bottom bits -	 */ -	*ip = buildsp(xs, xe + SP_EBIAS, -		      ((xm >> (SP_MBITS - xe)) << (SP_MBITS - xe)) & -		      ~SP_HIDDEN_BIT); - -	/* generate fpart mantissa by clearing top bits -	 * and normalizing (must be able to normalize) -	 */ -	xm = (xm << (32 - (SP_MBITS - xe))) >> (32 - (SP_MBITS - xe)); -	if (xm == 0) -		return ieee754sp_zero(xs); - -	while ((xm >> SP_MBITS) == 0) { -		xm <<= 1; -		xe--; -	} -	return buildsp(xs, xe + SP_EBIAS, xm & ~SP_HIDDEN_BIT); -}  | 
