glibc/sysdeps/generic/libm-alias-float128.h

56 lines
2.3 KiB
C

/* Define aliases for libm _Float128 functions.
Copyright (C) 2017-2020 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
<https://www.gnu.org/licenses/>. */
#ifndef _LIBM_ALIAS_FLOAT128_H
#define _LIBM_ALIAS_FLOAT128_H
#include <bits/floatn.h>
/* Define _FloatN / _FloatNx aliases (other than that for _Float128)
for a _Float128 libm function that has internal name FROM ## f128
## R and public names TO ## suffix ## R for each suffix of a
supported _FloatN / _FloatNx floating-point type with the same
format as _Float128. */
#if __HAVE_FLOAT64X && !__HAVE_FLOAT64X_LONG_DOUBLE
# define libm_alias_float128_other_r(from, to, r) \
weak_alias (from ## f128 ## r, to ## f64x ## r)
#else
# define libm_alias_float128_other_r(from, to, r)
#endif
/* Likewise, but without the R suffix. */
#define libm_alias_float128_other(from, to) \
libm_alias_float128_other_r (from, to, )
/* Define aliases for a _Float128 libm function that has internal name
FROM ## f128 ## R and public names TO ## suffix ## R for each
suffix of a supported floating-point type with the same format as
_Float128. This should only be used for functions where such
public names exist for _FloatN types, not for
implementation-namespace exported names (where there is one name
per format, not per type) or for obsolescent functions not provided
for _FloatN types. */
#define libm_alias_float128_r(from, to, r) \
weak_alias (from ## f128 ## r, to ## f128 ## r); \
libm_alias_float128_other_r (from, to, r)
/* Likewise, but without the R suffix. */
#define libm_alias_float128(from, to) libm_alias_float128_r (from, to, )
#endif