1 /* Round argument to nearest integral value according to current rounding
3 Copyright (C) 1997, 1999 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 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
23 #include "math_private.h"
33 x = __m81_u(__rintf) (x);
35 GET_FLOAT_WORD (i, x);
37 e = ((i >> 23) & 0xff) - 0x7f;
47 result = (long long int) (i << (e - 55)) << 32;
49 result = (((long long int) (i >> (55 - e)) << 32) | (i << (e - 23)));
51 result = i << (e - 23);
53 result = i >> (23 - e);
58 /* The number is too large or not finite. The standard leaves it
59 undefined what to return when the number is too large to fit in a
66 weak_alias (__llrintf, llrintf)