1 /* Multiple versions of IEEE 754 log. 2 Copyright (C) 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 <math.h> 20 #include "init-arch.h" 21 #include <libm-alias-finite.h> 22 23 extern double __redirect_ieee754_log (double); 24 25 extern __typeof (log) __log_ppc64 attribute_hidden; 26 #ifdef USE_PPC64_MCPU_POWER10 27 extern __typeof (log) __log_power10 attribute_hidden; 28 #endif 29 30 libc_ifunc_redirected (__redirect_ieee754_log, __ieee754_log, 31 #ifdef USE_PPC64_MCPU_POWER10 32 (hwcap2 & PPC_FEATURE2_ARCH_3_1) 33 ? __log_power10 : 34 #endif 35 __log_ppc64); 36 37 libm_alias_finite (__ieee754_log, __log) 38