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 This should only be used for functions where such public names exist for _FloatN types, not for implementation-namespace exported names (where there is one name per format, not per type) or for obsolescent functions not provided for _FloatN types.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