diff options
Diffstat (limited to 'sysdeps/m68k/s_isinfl.c')
-rw-r--r-- | sysdeps/m68k/s_isinfl.c | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/sysdeps/m68k/s_isinfl.c b/sysdeps/m68k/s_isinfl.c deleted file mode 100644 index 2502039087..0000000000 --- a/sysdeps/m68k/s_isinfl.c +++ /dev/null @@ -1,42 +0,0 @@ -/* Copyright (C) 1991, 1992, 1995, 1997, 2002 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <math.h> -#include "ieee754.h" - -/* Return 0 if VALUE is finite or NaN, +1 if it - is +Infinity, -1 if it is -Infinity. */ -int -__isinfl (long double value) -{ - union ieee854_long_double u; - - u.d = value; - - /* An IEEE 854 infinity has an exponent with the - maximum possible value and a zero mantissa. - In Motorola's interpretation the integer bit is ignored. */ - if ((u.ieee.exponent & 0x7fff) == 0x7fff && - (u.ieee.mantissa0 & 0x7fffffff) == 0 && u.ieee.mantissa1 == 0) - return u.ieee.negative ? -1 : 1; - - return 0; -} - -hidden_def (__isinfl) -weak_alias (__isinfl, isinfl); |