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65 lines
2.7 KiB
C
65 lines
2.7 KiB
C
/* Define aliases for libm _Float128 functions.
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Copyright (C) 2018-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _LIBM_ALIAS_FLOAT128_H
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#define _LIBM_ALIAS_FLOAT128_H
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#include <bits/floatn.h>
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#include <ldbl-128ibm-compat-abi.h>
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/* This macro should be used on all long double functions that are not part of
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the _Float128 API in order to provide *ieee128 symbols without exposing
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internal *f128 symbols. */
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#define libm_alias_float128_other_r_ldbl(from, to, r) \
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strong_alias (from ## f128 ## r, __ ## to ## ieee128 ## r)
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/* Define _FloatN / _FloatNx aliases (other than that for _Float128)
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for a _Float128 libm function that has internal name FROM ## f128
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## R and public names TO ## suffix ## R for each suffix of a
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supported _FloatN / _FloatNx floating-point type with the same
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format as _Float128. */
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#if __HAVE_FLOAT64X && !__HAVE_FLOAT64X_LONG_DOUBLE
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# define libm_alias_float128_other_r(from, to, r) \
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weak_alias (from ## f128 ## r, to ## f64x ## r); \
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libm_alias_float128_other_r_ldbl(from, to, r)
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#else
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# define libm_alias_float128_other_r(from, to, r) \
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libm_alias_float128_other_r_ldbl(from, to, r)
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#endif
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/* Likewise, but without the R suffix. */
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#define libm_alias_float128_other(from, to) \
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libm_alias_float128_other_r (from, to, )
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/* Define aliases for a _Float128 libm function that has internal name
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FROM ## f128 ## R and public names TO ## suffix ## R for each
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suffix of a supported floating-point type with the same format as
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_Float128. This should only be used for functions where such
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public names exist for _FloatN types, not for
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implementation-namespace exported names (where there is one name
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per format, not per type) or for obsolescent functions not provided
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for _FloatN types. */
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#define libm_alias_float128_r(from, to, r) \
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weak_alias (from ## f128 ## r, to ## f128 ## r); \
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libm_alias_float128_other_r (from, to, r)
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/* Likewise, but without the R suffix. */
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#define libm_alias_float128(from, to) libm_alias_float128_r (from, to, )
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#endif
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