glibc/sysdeps/generic/libm-alias-float.h

36 lines
1.5 KiB
C

/* 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
/* 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exist for _FloatN types, not for implementation-namespace exported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)
/* Likewise, but without the R suffix. */
#define libm_alias_float(from, to) libm_alias_float_r (from, to, )
#endif