1 /* Round long double to integer away from zero.
2 Copyright (C) 1997, 1999 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
5 Jakub Jelinek <jj@ultra.linux.cz>, 1999.
7 The GNU C Library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or (at your option) any later version.
12 The GNU C Library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public
18 License along with the GNU C Library; if not, write to the Free
19 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 #include "quadmath-imp.h"
24 static const __float128 huge = 1.0E4930Q;
33 GET_FLT128_WORDS64 (i0, i1, x);
34 j0 = ((i0 >> 48) & 0x7fff) - 0x3fff;
41 i0 &= 0x8000000000000000ULL;
43 i0 |= 0x3fff000000000000LL;
49 uint64_t i = 0x0000ffffffffffffLL >> j0;
50 if (((i0 & i) | i1) == 0)
55 /* Raise inexact if x != 0. */
56 i0 += 0x0000800000000000LL >> j0;
72 uint64_t i = -1ULL >> (j0 - 48);
79 /* Raise inexact if x != 0. */
80 uint64_t j = i1 + (1LL << (111 - j0));
88 SET_FLT128_WORDS64 (x, i0, i1);