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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_llrintf.c | |
parent | 86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff) | |
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Update.
Diffstat (limited to 'sysdeps/libm-ieee754/s_llrintf.c')
-rw-r--r-- | sysdeps/libm-ieee754/s_llrintf.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/sysdeps/libm-ieee754/s_llrintf.c b/sysdeps/libm-ieee754/s_llrintf.c deleted file mode 100644 index a812377d19..0000000000 --- a/sysdeps/libm-ieee754/s_llrintf.c +++ /dev/null @@ -1,78 +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 double two23[2] = -{ - 8.3886080000e+06, /* 0x4B000000 */ - -8.3886080000e+06, /* 0xCB000000 */ -}; - - -long long int -__llrintf (float x) -{ - int32_t j0; - u_int32_t i0; - volatile float w; - float t; - long long int result; - int sx; - - GET_FLOAT_WORD (i0, x); - - sx = i0 >> 31; - j0 = ((i0 >> 23) & 0xff) - 0x7f; - i0 &= 0x7fffff; - i0 |= 0x800000; - - if (j0 < (int32_t) (sizeof (long long int) * 8) - 1) - { - if (j0 < -1) - return 0; - else if (j0 >= 23) - result = (long long int) i0 << (j0 - 23); - else - { - w = two23[sx] + x; - t = w - two23[sx]; - GET_FLOAT_WORD (i0, t); - j0 = ((i0 >> 23) & 0xff) - 0x7f; - i0 &= 0x7fffff; - i0 |= 0x800000; - - result = i0 >> (23 - 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 (__llrintf, llrintf) |