diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/s_llrintl.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/s_llrintl.c | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/sysdeps/ieee754/ldbl-128/s_llrintl.c b/sysdeps/ieee754/ldbl-128/s_llrintl.c deleted file mode 100644 index d08a90a1b3..0000000000 --- a/sysdeps/ieee754/ldbl-128/s_llrintl.c +++ /dev/null @@ -1,108 +0,0 @@ -/* Round argument to nearest integral value according to current rounding - direction. - 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 and - Jakub Jelinek <jj@ultra.linux.cz>, 1999. - - 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> -#include <fix-fp-int-convert-overflow.h> - -static const _Float128 two112[2] = -{ - L(5.19229685853482762853049632922009600E+33), /* 0x406F000000000000, 0 */ - L(-5.19229685853482762853049632922009600E+33) /* 0xC06F000000000000, 0 */ -}; - -long long int -__llrintl (_Float128 x) -{ - int32_t j0; - u_int64_t i0,i1; - _Float128 w; - _Float128 t; - long long int result; - int sx; - - GET_LDOUBLE_WORDS64 (i0, i1, x); - j0 = ((i0 >> 48) & 0x7fff) - 0x3fff; - sx = i0 >> 63; - i0 &= 0x0000ffffffffffffLL; - i0 |= 0x0001000000000000LL; - - if (j0 < (int32_t) (8 * sizeof (long long int)) - 1) - { -#if defined FE_INVALID || defined FE_INEXACT - /* X < LLONG_MAX + 1 implied by J0 < 63. */ - if (x > (_Float128) LLONG_MAX) - { - /* In the event of overflow we must raise the "invalid" - exception, but not "inexact". */ - t = __nearbyintl (x); - feraiseexcept (t == LLONG_MAX ? FE_INEXACT : FE_INVALID); - } - else -#endif - { - w = two112[sx] + x; - t = w - two112[sx]; - } - GET_LDOUBLE_WORDS64 (i0, i1, t); - j0 = ((i0 >> 48) & 0x7fff) - 0x3fff; - i0 &= 0x0000ffffffffffffLL; - i0 |= 0x0001000000000000LL; - - if (j0 < 0) - result = 0; - else if (j0 <= 48) - result = i0 >> (48 - j0); - else - result = ((long long int) i0 << (j0 - 48)) | (i1 >> (112 - j0)); - } - else - { - /* The number is too large. Unless it rounds to LLONG_MIN, - FE_INVALID must be raised and the return value is - unspecified. */ -#if defined FE_INVALID || defined FE_INEXACT - if (x < (_Float128) LLONG_MIN - && x > (_Float128) LLONG_MIN - 1) - { - /* If truncation produces LLONG_MIN, the cast will not raise - the exception, but may raise "inexact". */ - t = __nearbyintl (x); - feraiseexcept (t == LLONG_MIN ? FE_INEXACT : FE_INVALID); - return LLONG_MIN; - } - else if (FIX_LDBL_LLONG_CONVERT_OVERFLOW && x != (_Float128) LLONG_MIN) - { - feraiseexcept (FE_INVALID); - return sx == 0 ? LLONG_MAX : LLONG_MIN; - } - -#endif - return (long long int) x; - } - - return sx ? -result : result; -} - -weak_alias (__llrintl, llrintl) |