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/* s_fabsl.c -- long double version of s_fabs.c.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: $";
#endif
/*
* fabsl(x) returns the absolute value of x.
*/
#include <math.h>
#include <math_private.h>
#include <math_ldbl_opt.h>
#include <math-use-builtins.h>
long double __fabsl(long double x)
{
#if USE_FABSL_BUILTIN
return __builtin_fabsl (x);
#else
uint64_t hx, lx;
double xhi, xlo;
ldbl_unpack (x, &xhi, &xlo);
EXTRACT_WORDS64 (hx, xhi);
EXTRACT_WORDS64 (lx, xlo);
lx = lx ^ ( hx & 0x8000000000000000LL );
hx = hx & 0x7fffffffffffffffLL;
INSERT_WORDS64 (xhi, hx);
INSERT_WORDS64 (xlo, lx);
x = ldbl_pack (xhi, xlo);
return x;
#endif
}
long_double_symbol (libm, __fabsl, fabsl);
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