diff options
Diffstat (limited to 'sysdeps/m68k/m680x0/fpu/s_frexp.c')
-rw-r--r-- | sysdeps/m68k/m680x0/fpu/s_frexp.c | 55 |
1 files changed, 2 insertions, 53 deletions
diff --git a/sysdeps/m68k/m680x0/fpu/s_frexp.c b/sysdeps/m68k/m680x0/fpu/s_frexp.c index 009b1e3223..be8db3875a 100644 --- a/sysdeps/m68k/m680x0/fpu/s_frexp.c +++ b/sysdeps/m68k/m680x0/fpu/s_frexp.c @@ -1,53 +1,2 @@ -/* Copyright (C) 1996-2017 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, see - <http://www.gnu.org/licenses/>. */ - -#include <math.h> - -#ifndef FUNC -#define FUNC frexp -#endif -#ifndef float_type -#define float_type double -#endif - -#define __CONCATX(a,b) __CONCAT(a,b) - -float_type -__CONCATX(__,FUNC) (float_type value, int *expptr) -{ - float_type mantissa, exponent; - int iexponent; - unsigned long fpsr; - - __asm ("ftst%.x %1\n" - "fmove%.l %/fpsr, %0" - : "=dm" (fpsr) : "f" (value)); - if (fpsr & (7 << 24)) - { - /* Not finite or zero. */ - *expptr = 0; - return value; - } - __asm ("fgetexp%.x %1, %0" : "=f" (exponent) : "f" (value)); - iexponent = (int) exponent + 1; - *expptr = iexponent; - __asm ("fscale%.l %2, %0" - : "=f" (mantissa) - : "0" (value), "dmi" (-iexponent)); - return mantissa; -} -weak_alias (__CONCATX(__,FUNC), FUNC) +#include <math-type-macros-double.h> +#include <s_frexp_template.c> |