diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/s_roundl.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/s_roundl.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/sysdeps/ieee754/ldbl-128/s_roundl.c b/sysdeps/ieee754/ldbl-128/s_roundl.c deleted file mode 100644 index 078d9b9c45..0000000000 --- a/sysdeps/ieee754/ldbl-128/s_roundl.c +++ /dev/null @@ -1,80 +0,0 @@ -/* Round long double to integer away from zero. - Copyright (C) 1997-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and - Jakub Jelinek <jj@ultra.linux.cz>, 1999. - - 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> - - -_Float128 -__roundl (_Float128 x) -{ - int32_t j0; - u_int64_t i1, i0; - - GET_LDOUBLE_WORDS64 (i0, i1, x); - j0 = ((i0 >> 48) & 0x7fff) - 0x3fff; - if (j0 < 48) - { - if (j0 < 0) - { - i0 &= 0x8000000000000000ULL; - if (j0 == -1) - i0 |= 0x3fff000000000000LL; - i1 = 0; - } - else - { - u_int64_t i = 0x0000ffffffffffffLL >> j0; - if (((i0 & i) | i1) == 0) - /* X is integral. */ - return x; - - i0 += 0x0000800000000000LL >> j0; - i0 &= ~i; - i1 = 0; - } - } - else if (j0 > 111) - { - if (j0 == 0x4000) - /* Inf or NaN. */ - return x + x; - else - return x; - } - else - { - u_int64_t i = -1ULL >> (j0 - 48); - if ((i1 & i) == 0) - /* X is integral. */ - return x; - - u_int64_t j = i1 + (1LL << (111 - j0)); - if (j < i1) - i0 += 1; - i1 = j; - i1 &= ~i; - } - - SET_LDOUBLE_WORDS64 (x, i0, i1); - return x; -} -weak_alias (__roundl, roundl) |