1 /* Round argument to nearest integral value according to current rounding
3 Copyright (C) 1997 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5 Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7 The GNU C Library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Library General Public License as
9 published by the Free Software Foundation; either version 2 of the
10 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 Library General Public License for more details.
17 You should have received a copy of the GNU Library General Public
18 License along with the GNU C Library; see the file COPYING.LIB. If not,
19 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
23 #include "math_private.h"
32 x = __m81_u(__rint) (x);
34 /* We could use __fixxfdi from libgcc, but here we can take advantage of
35 the known floating point format. */
36 EXTRACT_WORDS (h, l, x);
38 e = ((h >> 20) & 0x7ff) - 0x3ff;
52 result = ((long long int) h << 32) | l;
59 result = ((long long int) h << 32) | l;
62 result = h >> (20 - e);
67 /* The number is too large or not finite. The standard leaves it
68 undefined what to return when the number is too large to fit in a
75 weak_alias (__llrint, llrint)