Correct unsigned to float conversions, add license, adjust style.
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petrov
parent
9ec14301ad
commit
12784e54c3
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@ -1,4 +1,37 @@
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/* $NetBSD: qp.c,v 1.3 2002/03/27 03:43:39 jmc Exp $ */
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/* $NetBSD: qp.c,v 1.4 2003/02/06 20:23:35 petrov Exp $ */
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/*-
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* Copyright (c) 2002, 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#include <memory.h>
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@ -8,16 +41,42 @@
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void _Qp_add(float128 *c, float128 *a, float128 *b);
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int _Qp_cmp(float128 *a, float128 *b);
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int _Qp_cmpe(float128 *a, float128 *b);
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void _Qp_div(float128 *c, float128 *a, float128 *b);
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void _Qp_dtoq(float128 *c, double a);
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int _Qp_feq(float128 *a, float128 *b);
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int _Qp_fge(float128 *a, float128 *b);
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int _Qp_fgt(float128 *a, float128 *b);
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int _Qp_fle(float128 *a, float128 *b);
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int _Qp_flt(float128 *a, float128 *b);
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int _Qp_fne(float128 *a, float128 *b);
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void _Qp_itoq(float128 *c, int a);
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void _Qp_mul(float128 *c, float128 *a, float128 *b);
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void _Qp_neg(float128 *c, float128 *a);
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double _Qp_qtod(float128 *a);
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int _Qp_qtoi(float128 *a);
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float _Qp_qtos(float128 *a);
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unsigned int _Qp_qtoui(float128 *a);
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unsigned long _Qp_qtoux(float128 *a);
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long _Qp_qtox(float128 *a);
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void _Qp_sqrt(float128 *c, float128 *a);
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void _Qp_stoq(float128 *c, float a);
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void _Qp_sub(float128 *c, float128 *a, float128 *b);
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void _Qp_uitoq(float128 *c, unsigned int a);
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void _Qp_uxtoq(float128 *c, unsigned long a);
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void _Qp_xtoq(float128 *c, long a);
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void _Qp_add(float128 *c, float128 *a, float128 *b)
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void
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_Qp_add(float128 *c, float128 *a, float128 *b)
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{
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*c = float128_add(*a, *b);
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}
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int _Qp_cmp(float128 *a, float128 *b);
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int _Qp_cmp(float128 *a, float128 *b)
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int
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_Qp_cmp(float128 *a, float128 *b)
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{
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if (float128_eq(*a, *b))
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@ -33,115 +92,100 @@ int _Qp_cmp(float128 *a, float128 *b)
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/*
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* XXX
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*/
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int _Qp_cmpe(float128 *a, float128 *b);
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int _Qp_cmpe(float128 *a, float128 *b)
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int
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_Qp_cmpe(float128 *a, float128 *b)
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{
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return _Qp_cmp(a, b);
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}
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void _Qp_div(float128 *c, float128 *a, float128 *b);
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void _Qp_div(float128 *c, float128 *a, float128 *b)
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void
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_Qp_div(float128 *c, float128 *a, float128 *b)
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{
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*c = float128_div(*a, *b);
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}
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void _Qp_dtoq(float128 *c, double a);
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void _Qp_dtoq(float128 *c, double a)
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void
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_Qp_dtoq(float128 *c, double a)
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{
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float64 _b;
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memcpy (&_b, &a, sizeof(float64));
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*c = float64_to_float128(_b);
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}
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int _Qp_feq(float128 *a, float128 *b);
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int _Qp_feq(float128 *a, float128 *b)
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int
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_Qp_feq(float128 *a, float128 *b)
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{
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return float128_eq(*a, *b);
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}
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int _Qp_fge(float128 *a, float128 *b);
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int _Qp_fge(float128 *a, float128 *b)
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int
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_Qp_fge(float128 *a, float128 *b)
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{
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return float128_le(*b, *a);
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}
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int _Qp_fgt(float128 *a, float128 *b);
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int _Qp_fgt(float128 *a, float128 *b)
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int
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_Qp_fgt(float128 *a, float128 *b)
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{
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return float128_lt(*b, *a);
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}
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int _Qp_fle(float128 *a, float128 *b);
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int _Qp_fle(float128 *a, float128 *b)
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int
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_Qp_fle(float128 *a, float128 *b)
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{
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return float128_le(*a, *b);
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}
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int _Qp_flt(float128 *a, float128 *b);
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int _Qp_flt(float128 *a, float128 *b)
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int
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_Qp_flt(float128 *a, float128 *b)
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{
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return float128_lt(*a, *b);
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}
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int _Qp_fne(float128 *a, float128 *b);
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int _Qp_fne(float128 *a, float128 *b)
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int
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_Qp_fne(float128 *a, float128 *b)
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{
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return !float128_eq(*a, *b);
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}
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void _Qp_itoq(float128 *c, int a);
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void _Qp_itoq(float128 *c, int a)
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void
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_Qp_itoq(float128 *c, int a)
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{
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*c = int32_to_float128(a);
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}
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void _Qp_mul(float128 *c, float128 *a, float128 *b);
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void _Qp_mul(float128 *c, float128 *a, float128 *b)
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void
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_Qp_mul(float128 *c, float128 *a, float128 *b)
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{
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*c = float128_mul(*a, *b);
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}
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/*
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* XXX easy way to do this, softfloat function
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* XXX need corresponding softfloat function
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*/
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void _Qp_neg(float128 *c, float128 *a);
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static float128 __zero = {0x4034000000000000, 0x00000000};
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void _Qp_neg(float128 *c, float128 *a)
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void
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_Qp_neg(float128 *c, float128 *a)
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{
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*c = float128_sub(__zero, *a);
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}
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double _Qp_qtod(float128 *a);
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double _Qp_qtod(float128 *a)
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double
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_Qp_qtod(float128 *a)
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{
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float64 _c;
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double c;
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@ -154,17 +198,15 @@ double _Qp_qtod(float128 *a)
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}
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int _Qp_qtoi(float128 *a);
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int _Qp_qtoi(float128 *a)
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int
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_Qp_qtoi(float128 *a)
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{
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return float128_to_int32(*a);
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}
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float _Qp_qtos(float128 *a);
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float _Qp_qtos(float128 *a)
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float
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_Qp_qtos(float128 *a)
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{
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float c;
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float32 _c;
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@ -177,43 +219,36 @@ float _Qp_qtos(float128 *a)
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}
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unsigned int _Qp_qtoui(float128 *a);
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unsigned int _Qp_qtoui(float128 *a)
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unsigned int
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_Qp_qtoui(float128 *a)
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{
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return (unsigned int)float128_to_int32(*a);
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}
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unsigned long _Qp_qtoux(float128 *a);
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unsigned long _Qp_qtoux(float128 *a)
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unsigned long
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_Qp_qtoux(float128 *a)
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{
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return (unsigned long)float128_to_int64(*a);
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}
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long _Qp_qtox(float128 *a);
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long _Qp_qtox(float128 *a)
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long
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_Qp_qtox(float128 *a)
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{
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return (long)float128_to_int64(*a);
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}
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void _Qp_sqrt(float128 *c, float128 *a);
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void _Qp_sqrt(float128 *c, float128 *a)
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void
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_Qp_sqrt(float128 *c, float128 *a)
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{
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*c = float128_sqrt(*a);
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}
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void _Qp_stoq(float128 *c, float a);
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void _Qp_stoq(float128 *c, float a)
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void
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_Qp_stoq(float128 *c, float a)
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{
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float32 _a;
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@ -223,33 +258,35 @@ void _Qp_stoq(float128 *c, float a)
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}
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void _Qp_sub(float128 *c, float128 *a, float128 *b);
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void _Qp_sub(float128 *c, float128 *a, float128 *b)
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void
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_Qp_sub(float128 *c, float128 *a, float128 *b)
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{
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*c = float128_sub(*a, *b);
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}
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void _Qp_uitoq(float128 *c, unsigned int a);
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void _Qp_uitoq(float128 *c, unsigned int a)
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{
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*c = int32_to_float128(a);
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}
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void _Qp_uxtoq(float128 *c, unsigned long a);
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void _Qp_uxtoq(float128 *c, unsigned long a)
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void
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_Qp_uitoq(float128 *c, unsigned int a)
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{
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*c = int64_to_float128(a);
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}
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void _Qp_xtoq(float128 *c, long a);
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void
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_Qp_uxtoq(float128 *c, unsigned long a)
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{
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void _Qp_xtoq(float128 *c, long a)
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if (a & 0x8000000000000000ULL) {
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a = (a >> 1) | (a & 1);
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*c = int64_to_float128(a);
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*c = float128_add(*c, *c);
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} else
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*c = int64_to_float128(a);
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}
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void
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_Qp_xtoq(float128 *c, long a)
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{
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*c = int64_to_float128(a);
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}
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