diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-96/s_llrintl.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-96/s_llrintl.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/sysdeps/ieee754/ldbl-96/s_llrintl.c b/sysdeps/ieee754/ldbl-96/s_llrintl.c deleted file mode 100644 index 53d33c3999..0000000000 --- a/sysdeps/ieee754/ldbl-96/s_llrintl.c +++ /dev/null @@ -1,91 +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. - - 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> - -static const long double two63[2] = -{ - 9.223372036854775808000000e+18, /* 0x403E, 0x00000000, 0x00000000 */ - -9.223372036854775808000000e+18 /* 0xC03E, 0x00000000, 0x00000000 */ -}; - - -long long int -__llrintl (long double x) -{ - int32_t se,j0; - u_int32_t i0, i1; - long long int result; - long double w; - long double t; - int sx; - - GET_LDOUBLE_WORDS (se, i0, i1, x); - - sx = (se >> 15) & 1; - j0 = (se & 0x7fff) - 0x3fff; - - if (j0 < (int32_t) (8 * sizeof (long long int)) - 1) - { - if (j0 >= 63) - result = (((long long int) i0 << 32) | i1) << (j0 - 63); - else - { -#if defined FE_INVALID || defined FE_INEXACT - /* X < LLONG_MAX + 1 implied by J0 < 63. */ - if (x > (long double) 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 = two63[sx] + x; - t = w - two63[sx]; - } - GET_LDOUBLE_WORDS (se, i0, i1, t); - j0 = (se & 0x7fff) - 0x3fff; - - if (j0 < 0) - result = 0; - else if (j0 <= 31) - result = i0 >> (31 - j0); - else - result = ((long long int) i0 << (j0 - 31)) | (i1 >> (63 - j0)); - } - } - else - { - /* The number is too large. It is left implementation defined - what happens. */ - return (long long int) x; - } - - return sx ? -result : result; -} - -weak_alias (__llrintl, llrintl) |