1 /* Test of logbl() function. 2 Copyright (C) 2010-2021 Free Software Foundation, Inc. 3 4 This program is free software: you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 3 of the License, or 7 (at your option) any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 16 17 /* Written by Bruno Haible <bruno@clisp.org>, 2010. */ 18 19 #include <config.h> 20 21 #include <math.h> 22 23 #include "signature.h" 24 SIGNATURE_CHECK (logbl, long double, (long double)); 25 26 #include <float.h> 27 28 #include "minus-zero.h" 29 #include "macros.h" 30 31 #define DOUBLE long double 32 #define VOLATILE 33 #define HUGEVAL HUGE_VALL 34 #define L_(literal) literal##L 35 #define MINUS_ZERO minus_zerol 36 #define MAX_EXP LDBL_MAX_EXP 37 #define MIN_EXP LDBL_MIN_EXP 38 /* On MIPS IRIX machines, LDBL_MIN_EXP is -1021, but the smallest reliable 39 exponent for 'long double' is -964. Similarly, on PowerPC machines, 40 LDBL_MIN_EXP is -1021, but the smallest reliable exponent for 'long double' 41 is -968. For exponents below that, the precision may be truncated to the 42 precision used for 'double'. */ 43 #ifdef __sgi 44 # define MIN_NORMAL_EXP (LDBL_MIN_EXP + 57) 45 #elif defined __ppc || defined __ppc__ || defined __powerpc || defined __powerpc__ 46 # define MIN_NORMAL_EXP (LDBL_MIN_EXP + 53) 47 #else 48 # define MIN_NORMAL_EXP LDBL_MIN_EXP 49 #endif 50 #define LOGB logbl 51 #define RANDOM randoml 52 #include "test-logb.h" 53 54 int 55 main () /* */ 56 { 57 test_function (); 58 59 return 0; 60 }