1# Copyright (C) 2007-2020 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program. If not, see <http://www.gnu.org/licenses/>. 15 16# This file was written by Wu Zhou. (woodzltc@cn.ibm.com) 17 18# This file is part of the gdb testsuite. It contains test for evaluating 19# simple decimal floating point (DFP) expression. 20 21proc test_dfp_literals_accepted {} { 22 23 # Test various dfp values, covering 32-bit, 64-bit and 128-bit ones 24 25 # _Decimal32 constants, which can support up to 7 digits 26 gdb_test "p 1.2df" " = 1.2" 27 gdb_test "p -1.2df" " = -1.2" 28 gdb_test "p 1.234567df" " = 1.234567" 29 gdb_test "p -1.234567df" " = -1.234567" 30 gdb_test "p 1234567.df" " = 1234567" 31 gdb_test "p -1234567.df" " = -1234567" 32 33 gdb_test "p 1.2E1df" " = 12" 34 gdb_test "p 1.2E10df" " = 1.2E\\+10" 35 gdb_test "p 1.2E-10df" " = 1.2E-10" 36 37 # The largest exponent for 32-bit dfp value is 96. 38 gdb_test "p 1.2E96df" " = 1.200000E\\+96" 39 40 # _Decimal64 constants, which can support up to 16 digits 41 gdb_test "p 1.2dd" " = 1.2" 42 gdb_test "p -1.2dd" " = -1.2" 43 gdb_test "p 1.234567890123456dd" " = 1.234567890123456" 44 gdb_test "p -1.234567890123456dd" " = -1.234567890123456" 45 gdb_test "p 1234567890123456.dd" " = 1234567890123456" 46 gdb_test "p -1234567890123456.dd" " = -1234567890123456" 47 48 gdb_test "p 1.2E1dd" " = 12" 49 gdb_test "p 1.2E10dd" " = 1.2E\\+10" 50 gdb_test "p 1.2E-10dd" " = 1.2E-10" 51 52 # The largest exponent for 64-bit dfp value is 384. 53 gdb_test "p 1.2E384dd" " = 1.200000000000000E\\+384" 54 55 # _Decimal128 constants, which can support up to 34 digits 56 gdb_test "p 1.2dl" " = 1.2" 57 gdb_test "p -1.2dl" " = -1.2" 58 gdb_test "p 1.234567890123456789012345678901234dl" " = 1.234567890123456789012345678901234" 59 gdb_test "p -1.234567890123456789012345678901234dl" " = -1.234567890123456789012345678901234" 60 gdb_test "p 1234567890123456789012345678901234.dl" " = 1234567890123456789012345678901234" 61 gdb_test "p -1234567890123456789012345678901234.dl" " = -1234567890123456789012345678901234" 62 63 gdb_test "p 1.2E1dl" " = 12" 64 gdb_test "p 1.2E10dl" " = 1.2E\\+10" 65 gdb_test "p 1.2E-10dl" " = 1.2E-10" 66 67 # The largest exponent for 128-bit dfp value is 6144. 68 gdb_test "p 1.2E6144dl" " = 1.200000000000000000000000000000000E\\+6144" 69} 70 71proc test_dfp_arithmetic_expressions {} { 72 73 # _Decimal32 operands. 74 gdb_test "p 1.4df + 1.2df" " = 2.6" 75 gdb_test "p 1.4df - 1.2df" " = 0.2" 76 gdb_test "p 1.4df * 1.2df" " = 1.68" 77 gdb_test "p 1.4df / 1.2df" " = 1.166667" 78 79 # _Decimal64 operands. 80 gdb_test "p 1.4dd + 1.2dd" " = 2.6" 81 gdb_test "p 1.4dd - 1.2dd" " = 0.2" 82 gdb_test "p 1.4dd * 1.2dd" " = 1.68" 83 gdb_test "p 1.4dd / 1.2dd" " = 1.166666666666667" 84 85 # _Decimal128 operands. 86 gdb_test "p 1.4dl + 1.2dl" " = 2.6" 87 gdb_test "p 1.4dl - 1.2dl" " = 0.2" 88 gdb_test "p 1.4dl * 1.2dl" " = 1.68" 89 gdb_test "p 1.4dl / 1.2dl" " = 1.166666666666666666666666666666667" 90 91 # Test type of operation result. 92 gdb_test "ptype 2.df + 2.df" "= _Decimal32" 93 gdb_test "ptype 2.dd + 2.dd" "= _Decimal64" 94 gdb_test "ptype 2.dl + 2.dl" "= _Decimal128" 95 96 # Mixture of different _Decimal sizes. 97 gdb_test "p 2.1df + 2.7dd" "= 4.8" 98 gdb_test "p 2.1dd + 2.7df" "= 4.8" 99 gdb_test "p 2.6df + 2.7dl" "= 5.3" 100 gdb_test "p 2.6dl + 2.7df" "= 5.3" 101 gdb_test "p 2.3dd + 2.2dl" "= 4.5" 102 gdb_test "p 2.3dl + 2.2dd" "= 4.5" 103 gdb_test "ptype 2.df + 2.dd" "= _Decimal64" 104 gdb_test "ptype 2.df + 2.dl" "= _Decimal128" 105 gdb_test "ptype 2.dd + 2.dl" "= _Decimal128" 106 107 # Mixture of Decimal and integral operands 108 gdb_test "p 1.2df + 1" " = 2.2" 109 gdb_test "p 2 + 1.7dd" " = 3.7" 110 gdb_test "p 3 + 2.1dl" " = 5.1" 111 gdb_test "ptype 1.2df + 1" " = _Decimal32" 112 gdb_test "ptype 2 + 1.7dd" " = _Decimal64" 113 gdb_test "ptype 3 + 2.1dl" " = _Decimal128" 114 115 # Reject operation with integral larger than 32-bits 116 gdb_test "p 1.2dd + 2ll" "= 3.2" 117 gdb_test "p 1.2dd + 2147483648ll" "Conversion of large integer to a decimal floating type is not supported." 118 gdb_test "p 1.2dd + 2147483648ull" "= 2147483649.2" 119 gdb_test "p 1.2dd + 4294967296ull" "Conversion of large integer to a decimal floating type is not supported." 120 121 # Reject operation with DFP and Binary FP 122 gdb_test "p 1.2df + 1.2f" "Mixing decimal floating types with other floating types is not allowed." 123 124 # Test other operations with DFP operands 125 gdb_test "p !0.df" " = 1" 126 gdb_test "p !0.dd" " = 1" 127 gdb_test "p !0.dl" " = 1" 128 gdb_test "p !0.5df" " = 0" 129 gdb_test "p !0.5dd" " = 0" 130 gdb_test "p !0.5dl" " = 0" 131 132 gdb_test "p 1.2df == 1.2df" " = 1" 133 gdb_test "p 1.2df == 1.2dd" " = 1" 134 gdb_test "p 1.2df == 1.2dl" " = 1" 135 gdb_test "p 1.2dd == 1.2df" " = 1" 136 gdb_test "p 1.2dd == 1.2dl" " = 1" 137 gdb_test "p 1.2dl == 1.2df" " = 1" 138 gdb_test "p 1.2dl == 1.2dd" " = 1" 139 gdb_test "p 1.2df == 1.3df" " = 0" 140 gdb_test "p 1.2df == 1.3dd" " = 0" 141 gdb_test "p 1.2df == 1.3dl" " = 0" 142 gdb_test "p 1.2dd == 1.3df" " = 0" 143 gdb_test "p 1.2dd == 1.3dl" " = 0" 144 gdb_test "p 1.2dl == 1.3df" " = 0" 145 gdb_test "p 1.2dl == 1.3dd" " = 0" 146 147 gdb_test "p +1.2df" " = 1.2" 148 gdb_test "p +1.2dd" " = 1.2" 149 gdb_test "p +1.2dl" " = 1.2" 150 151 gdb_test "p 1.2df < 1.3df" " = 1" 152 gdb_test "p 1.2df < 1.3dd" " = 1" 153 gdb_test "p 1.2dl < 1.3df" " = 1" 154 gdb_test "p 1.2dd < 1.3dd" " = 1" 155 gdb_test "p 1.2dd < 1.3dl" " = 1" 156 gdb_test "p 1.2dl < 1.3dl" " = 1" 157 gdb_test "p 1.2dl < 1.3df" " = 1" 158 gdb_test "p 1.2df > 1" " = 1" 159 gdb_test "p 1.2dl > 2" " = 0" 160 gdb_test "p 2 > 1.2dd" " = 1" 161 gdb_test "p 2 > 3.1dl" " = 0" 162} 163 164proc test_dfp_conversions {} { 165 # Test cast to and from DFP values, and between DFPs of different sizes 166 167 gdb_test "p (float) -0.1df" " = -0.(0999.*|1000.*)" 168 gdb_test "p (int) 8.3dd" " = 8" 169 gdb_test "p (_Decimal64) 3.1" " = 3.(0999.*|1000.*)" 170 gdb_test "p (_Decimal128) 3.7df" " = 3.7" 171 gdb_test "p (_Decimal32) 4" " = 4" 172} 173 174# Start with a fresh gdb. 175 176gdb_exit 177gdb_start 178gdb_reinitialize_dir $srcdir/$subdir 179 180test_dfp_literals_accepted 181test_dfp_arithmetic_expressions 182test_dfp_conversions 183