1 /* Auxiliary definitions for <float.h>. 2 Copyright (C) 2011-2021 Free Software Foundation, Inc. 3 Written by Bruno Haible <bruno@clisp.org>, 2011. 4 5 This file is free software: you can redistribute it and/or modify 6 it under the terms of the GNU Lesser General Public License as 7 published by the Free Software Foundation; either version 2.1 of the 8 License, or (at your option) any later version. 9 10 This file 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 13 GNU Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public License 16 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 17 18 #include <config.h> 19 20 /* Specification. */ 21 #include <float.h> 22 23 #if (defined _ARCH_PPC || defined _POWER) && (defined _AIX || defined __linux__) && (LDBL_MANT_DIG == 106) && defined __GNUC__ 24 const union gl_long_double_union gl_LDBL_MAX = 25 { { DBL_MAX, DBL_MAX / (double)134217728UL / (double)134217728UL } }; 26 #elif defined __i386__ 27 const union gl_long_double_union gl_LDBL_MAX = 28 { { 0xFFFFFFFF, 0xFFFFFFFF, 32766 } }; 29 #else 30 /* This declaration is solely to ensure that after preprocessing 31 this file is never empty. */ 32 typedef int dummy; 33 #endif 34