1 /* Multiple versions of log2f. 2 Copyright (C) 2017-2021 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 #include <libm-alias-float.h> 20 #include <libm-alias-finite.h> 21 22 extern float __redirect_log2f (float); 23 24 #define SYMBOL_NAME log2f 25 #include "ifunc-fma.h" 26 27 libc_ifunc_redirected (__redirect_log2f, __log2f, IFUNC_SELECTOR ()); 28 29 #ifdef SHARED 30 __hidden_ver1 (__log2f, __GI___log2f, __redirect_log2f) 31 __attribute__ ((visibility ("hidden"))); 32 33 versioned_symbol (libm, __ieee754_log2f, log2f, GLIBC_2_27); 34 libm_alias_float_other (__log2, log2) 35 #else 36 libm_alias_float (__log2, log2) 37 #endif 38 39 strong_alias (__log2f, __ieee754_log2f) 40 libm_alias_finite (__log2f, __log2f) 41 42 #define __log2f __log2f_sse2 43 #include <sysdeps/ieee754/flt-32/e_log2f.c> 44