diff options
Diffstat (limited to 'sysdeps/libm-ieee754/s_roundf.c')
| -rw-r--r-- | sysdeps/libm-ieee754/s_roundf.c | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/sysdeps/libm-ieee754/s_roundf.c b/sysdeps/libm-ieee754/s_roundf.c deleted file mode 100644 index 5dc0e368ff..0000000000 --- a/sysdeps/libm-ieee754/s_roundf.c +++ /dev/null @@ -1,73 +0,0 @@ -/* Round float to integer away from zero. - 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 float huge = 1.0e30; - - -float -__roundf (float x) -{ - int32_t i0, j0; - - GET_FLOAT_WORD (i0, x); - j0 = ((i0 >> 23) & 0xff) - 0x7f; - if (j0 < 23) - { - if (j0 < 0) - { - if (huge + x > 0.0F) - { - i0 &= 0x80000000; - if (j0 == -1) - i0 |= 0x3f800000; - } - } - else - { - u_int32_t i = 0x007fffff >> j0; - if ((i0 & i) == 0) - /* X is integral. */ - return x; - if (huge + x > 0.0F) - { - /* Raise inexact if x != 0. */ - i0 += 0x00400000 >> j0; - i0 &= ~i; - } - } - } - else - { - if (j0 == 0x80) - /* Inf or NaN. */ - return x + x; - else - return x; - } - - SET_FLOAT_WORD (x, i0); - return x; -} -weak_alias (__roundf, roundf) |