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author | Ulrich Drepper <drepper@redhat.com> | 1999-07-14 00:54:57 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1999-07-14 00:54:57 +0000 |
commit | abfbdde177c3a7155070dda1b2cdc8292054cc26 (patch) | |
tree | e021306b596381fbf8311d2b7eb294e918ff17c8 /sysdeps/libm-ieee754/s_llrintl.c | |
parent | 86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff) | |
download | glibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.tar.gz glibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.tar.xz glibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.zip |
Update.
Diffstat (limited to 'sysdeps/libm-ieee754/s_llrintl.c')
-rw-r--r-- | sysdeps/libm-ieee754/s_llrintl.c | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/sysdeps/libm-ieee754/s_llrintl.c b/sysdeps/libm-ieee754/s_llrintl.c deleted file mode 100644 index 2aeaa1e102..0000000000 --- a/sysdeps/libm-ieee754/s_llrintl.c +++ /dev/null @@ -1,77 +0,0 @@ -/* 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 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 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. */ - -#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; - volatile 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 < -1) - return 0; - else if (j0 >= 63) - result = (((long long int) i0 << 32) | i1) << (j0 - 63); - else - { - w = two63[sx] + x; - t = w - two63[sx]; - GET_LDOUBLE_WORDS (se, i0, i1, t); - j0 = (se & 0x7fff) - 0x3fff; - - 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) |