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/* Compute sine and cosine of argument.
Copyright (C) 1997, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. 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"
void
__sincos (double x, double *sinx, double *cosx)
{
int32_t ix;
/* High word of x. */
GET_HIGH_WORD (ix, x);
/* |x| ~< pi/4 */
ix &= 0x7fffffff;
if (ix>=0x7ff00000)
{
/* sin(Inf or NaN) is NaN */
*sinx = *cosx = x - x;
}
else
{
*sinx = sin (x);
*cosx = cos (x);
}
}
weak_alias (__sincos, sincos)
#ifdef NO_LONG_DOUBLE
strong_alias (__sincos, __sincosl)
weak_alias (__sincos, sincosl)
#endif
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