diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-96/s_llroundl.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-96/s_llroundl.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/sysdeps/ieee754/ldbl-96/s_llroundl.c b/sysdeps/ieee754/ldbl-96/s_llroundl.c deleted file mode 100644 index f113fabd1a..0000000000 --- a/sysdeps/ieee754/ldbl-96/s_llroundl.c +++ /dev/null @@ -1,89 +0,0 @@ -/* Round long double value to long long int. - 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. - - 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 <fenv.h> -#include <limits.h> -#include <math.h> - -#include <math_private.h> - - -long long int -__llroundl (long double x) -{ - int32_t j0; - u_int32_t se, i1, i0; - long long int result; - int sign; - - GET_LDOUBLE_WORDS (se, i0, i1, x); - j0 = (se & 0x7fff) - 0x3fff; - sign = (se & 0x8000) != 0 ? -1 : 1; - - if (j0 < 31) - { - if (j0 < 0) - return j0 < -1 ? 0 : sign; - else - { - u_int32_t j = i0 + (0x40000000 >> j0); - if (j < i0) - { - j >>= 1; - j |= 0x80000000; - ++j0; - } - - result = j >> (31 - j0); - } - } - else if (j0 < (int32_t) (8 * sizeof (long long int)) - 1) - { - if (j0 >= 63) - result = (((long long int) i0 << 32) | i1) << (j0 - 63); - else - { - u_int32_t j = i1 + (0x80000000 >> (j0 - 31)); - - result = (long long int) i0; - if (j < i1) - ++result; - - if (j0 > 31) - { - result = (result << (j0 - 31)) | (j >> (63 - j0)); -#ifdef FE_INVALID - if (sign == 1 && result == LLONG_MIN) - /* Rounding brought the value out of range. */ - feraiseexcept (FE_INVALID); -#endif - } - } - } - else - { - /* The number is too large. It is left implementation defined - what happens. */ - return (long long int) x; - } - - return sign * result; -} - -weak_alias (__llroundl, llroundl) |