Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Correct unsigned to float conversions, add license, adjust style.

This commit is contained in:
petrov 2003-02-06 20:23:35 +00:00
parent 9ec14301ad
commit 12784e54c3
1 changed files with 124 additions and 87 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

211
lib/libc/arch/sparc64/softfloat/qp.c
View File

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