| /* s_fabsl.c -- long double version of s_fabs.c. |
| * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz. |
| */ |
| |
| /* |
| * ==================================================== |
| * 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> |
| |
| long double __fabsl(long double x) |
| { |
| u_int64_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; |
| } |
| long_double_symbol (libm, __fabsl, fabsl); |
