diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/s_getpayloadl.c')
-rw-r--r-- | sysdeps/ieee754/ldbl-128/s_getpayloadl.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/sysdeps/ieee754/ldbl-128/s_getpayloadl.c b/sysdeps/ieee754/ldbl-128/s_getpayloadl.c deleted file mode 100644 index d384645532..0000000000 --- a/sysdeps/ieee754/ldbl-128/s_getpayloadl.c +++ /dev/null @@ -1,57 +0,0 @@ -/* Get NaN payload. ldbl-128 version. - Copyright (C) 2016-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <math.h> -#include <math_private.h> -#include <stdint.h> - -_Float128 -getpayloadl (const _Float128 *x) -{ - uint64_t hx, lx; - GET_LDOUBLE_WORDS64 (hx, lx, *x); - hx &= 0x7fffffffffffULL; - /* Construct the representation of the return value directly, since - 128-bit integers may not be available. */ - int lz; - if (hx == 0) - { - if (lx == 0) - return 0.0L; - else - lz = __builtin_clzll (lx) + 64; - } - else - lz = __builtin_clzll (hx); - int shift = lz - 15; - if (shift >= 64) - { - hx = lx << (shift - 64); - lx = 0; - } - else - { - /* 2 <= SHIFT <= 63. */ - hx = (hx << shift) | (lx >> (64 - shift)); - lx <<= shift; - } - hx = (hx & 0xffffffffffffULL) | ((0x3fffULL + 127 - lz) << 48); - _Float128 ret; - SET_LDOUBLE_WORDS64 (ret, hx, lx); - return ret; -} |