41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <math.h>
|
|
#include "math_private.h"
|
|
|
|
#ifndef FUNC
|
|
#define FUNC cos
|
|
#endif
|
|
#ifndef float_type
|
|
#define float_type double
|
|
#endif
|
|
|
|
#define __CONCATX(a,b) __CONCAT(a,b)
|
|
|
|
float_type
|
|
__CONCATX(__kernel_,FUNC) (x, y)
|
|
float_type x;
|
|
float_type y;
|
|
{
|
|
float_type sin_x, cos_x, sin_y, cos_y;
|
|
__asm__ __volatile__ ("fsincosx %2,%0:%1" : "=f" (cos_x), "=f" (sin_x)
|
|
: "f" (x));
|
|
__asm__ __volatile__ ("fsincosx %2,%0:%1" : "=f" (cos_y), "=f" (sin_y)
|
|
: "f" (y));
|
|
return cos_x * cos_y - sin_x * sin_y;
|
|
}
|