[thirdparty/glibc.git] / sysdeps / x86_64 / fpu / multiarch / e_log2f.c

/* Multiple versions of log2f.
   Copyright (C) 2017-2020 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
   <https://www.gnu.org/licenses/>.  */

#include <libm-alias-float.h>

extern float __redirect_log2f (float);

#define SYMBOL_NAME log2f
#include "ifunc-fma.h"

libc_ifunc_redirected (__redirect_log2f, __log2f, IFUNC_SELECTOR ());

#ifdef SHARED
__hidden_ver1 (__log2f, __GI___log2f, __redirect_log2f)
  __attribute__ ((visibility ("hidden")));

# include <shlib-compat.h>
versioned_symbol (libm, __log2f, log2f, GLIBC_2_27);
libm_alias_float_other (__log2, log2)
#else
libm_alias_float (__log2, log2)
#endif

strong_alias (__log2f, __ieee754_log2f)
strong_alias (__log2f, __log2f_finite)

#define __log2f __log2f_sse2
#include <sysdeps/ieee754/flt-32/e_log2f.c>
Commit	Line	Data
5c7adbd8	1	/* Multiple versions of log2f.
d614a753	2	Copyright (C) 2017-2020 Free Software Foundation, Inc.
5c7adbd8 L	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
5a82c748	17	<https://www.gnu.org/licenses/>. */
5c7adbd8	18
34bb10aa JM	19	#include <libm-alias-float.h>
34bb10aa JM	20
5c7adbd8 L	21	extern float __redirect_log2f (float);
	22
	23	#define SYMBOL_NAME log2f
	24	#include "ifunc-fma.h"
	25
	26	libc_ifunc_redirected (__redirect_log2f, __log2f, IFUNC_SELECTOR ());
	27
	28	#ifdef SHARED
	29	__hidden_ver1 (__log2f, __GI___log2f, __redirect_log2f)
	30	__attribute__ ((visibility ("hidden")));
	31
	32	# include <shlib-compat.h>
	33	versioned_symbol (libm, __log2f, log2f, GLIBC_2_27);
34bb10aa	34	libm_alias_float_other (__log2, log2)
5c7adbd8	35	#else
34bb10aa	36	libm_alias_float (__log2, log2)
5c7adbd8 L	37	#endif
	38
	39	strong_alias (__log2f, __ieee754_log2f)
	40	strong_alias (__log2f, __log2f_finite)
	41
	42	#define __log2f __log2f_sse2
	43	#include <sysdeps/ieee754/flt-32/e_log2f.c>