/* Round argument to nearest integral value according to current rounding direction. Copyright (C) 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Schwab The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define __LIBC_M81_MATH_INLINES #include #include "math_private.h" long long int __rinttoll (long double x) { int32_t se, sx; u_int32_t h, l; long long int result; x = __m81_u(__rintl) (x); /* We could use __fixxfdi from libgcc, but here we can take advantage of the known floating point format. */ GET_LDOUBLE_WORDS (se, h, l, x); sx = se & (1 << 15); se = (se ^ sx) - 0x3fff; if (se < 64) { if (se > 31) result = (((long long int) (h >> (63 - se)) << 32) | (l >> (63 - se)) | (h << (se - 31))); else result = h >> (31 - se); if (sx) result = -result; } else /* Too large. The number is either +-inf or NaN or it is too large to be effected by rounding. The standard leaves it undefined what to return when the number is too large to fit in a `long long int'. */ result = -1LL; return result; } weak_alias (__rinttoll, rinttoll)