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| 1 | /* Define aliases for libm long double functions. ldbl-opt version. |
|---|---|
| 2 | Copyright (C) 2017-2022 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #ifndef _LIBM_ALIAS_LDOUBLE_H |
| 20 | #define _LIBM_ALIAS_LDOUBLE_H |
| 21 | |
| 22 | #include <bits/floatn.h> |
| 23 | #include <math_ldbl_opt.h> |
| 24 | #include <ldbl-compat-choose.h> |
| 25 | |
| 26 | #if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128 |
| 27 | # define libm_alias_ldouble_other_r_f128(from, to, r) \ |
| 28 | weak_alias (from ## l ## r, to ## f128 ## r) |
| 29 | #else |
| 30 | # define libm_alias_ldouble_other_r_f128(from, to, r) |
| 31 | #endif |
| 32 | |
| 33 | #if __HAVE_FLOAT64X_LONG_DOUBLE |
| 34 | # define libm_alias_ldouble_other_r_f64x(from, to, r) \ |
| 35 | weak_alias (from ## l ## r, to ## f64x ## r) |
| 36 | #else |
| 37 | # define libm_alias_ldouble_other_r_f64x(from, to, r) |
| 38 | #endif |
| 39 | |
| 40 | /* Define _FloatN / _FloatNx aliases for a long double libm function |
| 41 | that has internal name FROM ## l ## R and public names TO ## suffix |
| 42 | ## R for each suffix of a supported _FloatN / _FloatNx |
| 43 | floating-point type with the same format as long double. */ |
| 44 | #define libm_alias_ldouble_other_r(from, to, r) \ |
| 45 | libm_alias_ldouble_other_r_f128 (from, to, r); \ |
| 46 | libm_alias_ldouble_other_r_f64x (from, to, r) |
| 47 | |
| 48 | /* Likewise, but without the R suffix. */ |
| 49 | #define libm_alias_ldouble_other(from, to) \ |
| 50 | libm_alias_ldouble_other_r (from, to, ) |
| 51 | |
| 52 | /* Define aliases for a long double libm function that has internal |
| 53 | name FROM ## l ## R and public names TO ## suffix ## R for each |
| 54 | suffix of a supported floating-point type with the same format as |
| 55 | long double. This should only be used for functions where such |
| 56 | public names exist for _FloatN types, not for |
| 57 | implementation-namespace exported names (where there is one name |
| 58 | per format, not per type) or for obsolescent functions not provided |
| 59 | for _FloatN types. */ |
| 60 | #define libm_alias_ldouble_r(from, to, r) \ |
| 61 | LONG_DOUBLE_COMPAT_CHOOSE_libm_ ## to ## l ## r \ |
| 62 | (long_double_symbol (libm, from ## l ## r, to ## l ## r), \ |
| 63 | weak_alias (from ## l ## r, to ## l ## r)); \ |
| 64 | libm_alias_ldouble_other_r (from, to, r) |
| 65 | |
| 66 | /* Likewise, but without the R suffix. */ |
| 67 | #define libm_alias_ldouble(from, to) libm_alias_ldouble_r (from, to, ) |
| 68 | |
| 69 | #endif |
| 70 |
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