mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-15 04:20:28 +08:00
afbdca978d
definitions... * sysdeps/m68k/fpu/mathimpl.h: ... here. New file. * sysdeps/m68k/fpu/e_acos.c: Include "mathimpl.h". * sysdeps/m68k/fpu/e_atan2.c: Likewise. * sysdeps/m68k/fpu/e_fmod.c: Likewise. * sysdeps/m68k/fpu/e_pow.c: Likewise. * sysdeps/m68k/fpu/e_scalb.c: Likewise. * sysdeps/m68k/fpu/s_ccos.c: Likewise. * sysdeps/m68k/fpu/s_ccosh.c: Likewise. * sysdeps/m68k/fpu/s_cexp.c: Likewise. * sysdeps/m68k/fpu/s_csin.c: Likewise. * sysdeps/m68k/fpu/s_csinh.c: Likewise. * sysdeps/m68k/fpu/s_ilogb.c: Likewise. * sysdeps/m68k/fpu/s_llrint.c: Likewise. * sysdeps/m68k/fpu/s_llrintf.c: Likewise. * sysdeps/m68k/fpu/s_llrintl.c: Likewise. * sysdeps/m68k/fpu/s_modf.c: Likewise.
52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/* Copyright (C) 1996, 1997, 1999 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., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <math.h>
|
|
#include "mathimpl.h"
|
|
|
|
#ifndef SUFF
|
|
#define SUFF
|
|
#endif
|
|
#ifndef float_type
|
|
#define float_type double
|
|
#endif
|
|
|
|
#define CONCATX(a,b) __CONCAT(a,b)
|
|
#define s(name) CONCATX(name,SUFF)
|
|
#define m81(func) __m81_u(s(func))
|
|
|
|
int
|
|
s(__ilogb) (float_type x)
|
|
{
|
|
float_type result;
|
|
unsigned long x_cond;
|
|
|
|
x_cond = __m81_test (x);
|
|
/* We must return consistent values for zero and NaN. */
|
|
if (x_cond & __M81_COND_ZERO)
|
|
return FP_ILOGB0;
|
|
if (x_cond & (__M81_COND_NAN | __M81_COND_INF))
|
|
return FP_ILOGBNAN;
|
|
|
|
__asm ("fgetexp%.x %1, %0" : "=f" (result) : "f" (x));
|
|
return (int) result;
|
|
}
|
|
|
|
#define weak_aliasx(a,b) weak_alias(a,b)
|
|
weak_aliasx (s(__ilogb), s(ilogb))
|