diff options
Diffstat (limited to 'REORG.TODO/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c')
| -rw-r--r-- | REORG.TODO/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c b/REORG.TODO/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c new file mode 100644 index 0000000000..c801c97065 --- /dev/null +++ b/REORG.TODO/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c @@ -0,0 +1,44 @@ +/* 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); |