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/* $OpenBSD: fabs.c,v 1.9 2011/07/08 22:28:33 martynas Exp $ */
/*
* Copyright (c) 2006 Miodrag Vallat.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice, this permission notice, and the disclaimer below
* appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/cdefs.h>
#if !defined(__SH4__) || defined(__SH4_NOFPU__)
#include <sys/types.h>
#include <machine/ieee.h>
#endif /* !defined(__SH4__) || defined(__SH4_NOFPU__) */
#include <math.h>
double
fabs(double d)
{
#if defined(__SH4__) && !defined(__SH4_NOFPU__)
__asm__ __volatile__("fabs %0" : "+f" (d));
#else
struct ieee_double *p = (struct ieee_double *)&d;
p->dbl_sign = 0;
#endif
return (d);
}
__weak_alias(fabsl, fabs);
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