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73 lines
2.8 KiB
C
73 lines
2.8 KiB
C
/* Define aliases for libm double 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_DOUBLE_H
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#define _LIBM_ALIAS_DOUBLE_H
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#include <bits/floatn.h>
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#if __HAVE_FLOAT64 && !__HAVE_DISTINCT_FLOAT64
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# define libm_alias_double_other_r_f64(from, to, r) \
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weak_alias (from ## r, to ## f64 ## r)
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#else
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# define libm_alias_double_other_r_f64(from, to, r)
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#endif
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#if __HAVE_FLOAT32X && !__HAVE_DISTINCT_FLOAT32X
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# define libm_alias_double_other_r_f32x(from, to, r) \
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weak_alias (from ## r, to ## f32x ## r)
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#else
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# define libm_alias_double_other_r_f32x(from, to, r)
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#endif
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/* Define _FloatN / _FloatNx aliases for a double libm function that
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has internal name FROM ## R and public names TO ## suffix ## R for
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each suffix of a supported _FloatN / _FloatNx floating-point type
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with the same format as double. */
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#define libm_alias_double_other_r(from, to, r) \
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libm_alias_double_other_r_f64 (from, to, r); \
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libm_alias_double_other_r_f32x (from, to, r)
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/* Likewise, but without the R suffix. */
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#define libm_alias_double_other(from, to) \
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libm_alias_double_other_r (from, to, )
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/* Define aliases for a double libm function that has internal name
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FROM ## R and public names TO ## suffix ## R for each suffix of a
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supported floating-point type with the same format as double. This
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should only be used for functions where such public names exist for
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_FloatN types, not for implementation-namespace exported names
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(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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#ifdef NO_LONG_DOUBLE
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# define libm_alias_double_r(from, to, r) \
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weak_alias (from ## r, to ## r) \
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strong_alias (from ## r, from ## l ## r) \
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weak_alias (from ## r, to ## l ## r); \
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libm_alias_double_other_r (from, to, r)
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#else
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# define libm_alias_double_r(from, to, r) \
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weak_alias (from ## r, to ## r); \
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libm_alias_double_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_double(from, to) libm_alias_double_r (from, to, )
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#endif
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