diff options
Diffstat (limited to 'sysdeps/m68k/fpu/logb.c')
-rw-r--r-- | sysdeps/m68k/fpu/logb.c | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/sysdeps/m68k/fpu/logb.c b/sysdeps/m68k/fpu/logb.c deleted file mode 100644 index 8619c908c8..0000000000 --- a/sysdeps/m68k/fpu/logb.c +++ /dev/null @@ -1,46 +0,0 @@ -/* Copyright (C) 1991, 1992, 1993, 1994, 1995 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 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., 675 Mass Ave, -Cambridge, MA 02139, USA. */ - -#include <ansidecl.h> -#include <math.h> - -#ifdef __GNUC__ - -/* Return the base 2 signed integral exponent of X. */ - -double -DEFUN(__logb, (x), double x) -{ - if (__isnan (x)) - return x; - if (__isinf (x)) - return fabs (x); - - if (x == 0.0) - asm ("flog2%.x %0, %0" : "=f" (x) : "0" (x)); - else - asm ("fgetexp%.x %0, %0" : "=f" (x) : "0" (x)); - - return x; -} - -weak_alias (__logb, logb) - -#else -#include <sysdeps/ieee754/logb.c> -#endif |