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54 lines
2.2 KiB
C
54 lines
2.2 KiB
C
/* Define aliases for libm float functions.
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Copyright (C) 2017-2020 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_FLOAT_H
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#define _LIBM_ALIAS_FLOAT_H
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#include <bits/floatn.h>
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/* Define _FloatN / _FloatNx aliases for a float libm function that
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has internal name FROM ## f ## R and public names TO ## suffix ## R
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for each suffix of a supported _FloatN / _FloatNx floating-point
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type with the same format as float. */
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#if __HAVE_FLOAT32 && !__HAVE_DISTINCT_FLOAT32
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# define libm_alias_float_other_r(from, to, r) \
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weak_alias (from ## f ## r, to ## f32 ## r)
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#else
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# define libm_alias_float_other_r(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_float_other(from, to) \
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libm_alias_float_other_r (from, to, )
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/* Define aliases for a float libm function that has internal name
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FROM ## f ## R and public names TO ## suffix ## R for each suffix
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of a supported floating-point type with the same format as float.
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This should only be used for functions where such public names
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exist for _FloatN types, not for implementation-namespace exported
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names (where there is one name per format, not per type) or for
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obsolescent functions not provided for _FloatN types. */
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#define libm_alias_float_r(from, to, r) \
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weak_alias (from ## f ## r, to ## f ## r); \
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libm_alias_float_other_r (from, to, r)
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/* Likewise, but without the R suffix. */
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#define libm_alias_float(from, to) libm_alias_float_r (from, to, )
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#endif
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