# Copyright (C) 2007-2013 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # This file was written by Wu Zhou. (woodzltc@cn.ibm.com) # This file is part of the gdb testsuite. It contains test for evaluating # simple decimal floating point (DFP) expression. proc test_dfp_literals_accepted {} { # Test various dfp values, covering 32-bit, 64-bit and 128-bit ones # _Decimal32 constants, which can support up to 7 digits gdb_test "p 1.2df" " = 1.2" gdb_test "p -1.2df" " = -1.2" gdb_test "p 1.234567df" " = 1.234567" gdb_test "p -1.234567df" " = -1.234567" gdb_test "p 1234567.df" " = 1234567" gdb_test "p -1234567.df" " = -1234567" gdb_test "p 1.2E1df" " = 12" gdb_test "p 1.2E10df" " = 1.2E\\+10" gdb_test "p 1.2E-10df" " = 1.2E-10" # The largest exponent for 32-bit dfp value is 96. gdb_test "p 1.2E96df" " = 1.200000E\\+96" # _Decimal64 constants, which can support up to 16 digits gdb_test "p 1.2dd" " = 1.2" gdb_test "p -1.2dd" " = -1.2" gdb_test "p 1.234567890123456dd" " = 1.234567890123456" gdb_test "p -1.234567890123456dd" " = -1.234567890123456" gdb_test "p 1234567890123456.dd" " = 1234567890123456" gdb_test "p -1234567890123456.dd" " = -1234567890123456" gdb_test "p 1.2E1dd" " = 12" gdb_test "p 1.2E10dd" " = 1.2E\\+10" gdb_test "p 1.2E-10dd" " = 1.2E-10" # The largest exponent for 64-bit dfp value is 384. gdb_test "p 1.2E384dd" " = 1.200000000000000E\\+384" # _Decimal128 constants, which can support up to 34 digits gdb_test "p 1.2dl" " = 1.2" gdb_test "p -1.2dl" " = -1.2" gdb_test "p 1.234567890123456789012345678901234dl" " = 1.234567890123456789012345678901234" gdb_test "p -1.234567890123456789012345678901234dl" " = -1.234567890123456789012345678901234" gdb_test "p 1234567890123456789012345678901234.dl" " = 1234567890123456789012345678901234" gdb_test "p -1234567890123456789012345678901234.dl" " = -1234567890123456789012345678901234" gdb_test "p 1.2E1dl" " = 12" gdb_test "p 1.2E10dl" " = 1.2E\\+10" gdb_test "p 1.2E-10dl" " = 1.2E-10" # The largest exponent for 128-bit dfp value is 6144. gdb_test "p 1.2E6144dl" " = 1.200000000000000000000000000000000E\\+6144" } proc test_dfp_arithmetic_expressions {} { # _Decimal32 operands. gdb_test "p 1.4df + 1.2df" " = 2.6" gdb_test "p 1.4df - 1.2df" " = 0.2" gdb_test "p 1.4df * 1.2df" " = 1.68" gdb_test "p 1.4df / 1.2df" " = 1.166667" # _Decimal64 operands. gdb_test "p 1.4dd + 1.2dd" " = 2.6" gdb_test "p 1.4dd - 1.2dd" " = 0.2" gdb_test "p 1.4dd * 1.2dd" " = 1.68" gdb_test "p 1.4dd / 1.2dd" " = 1.166666666666667" # _Decimal128 operands. gdb_test "p 1.4dl + 1.2dl" " = 2.6" gdb_test "p 1.4dl - 1.2dl" " = 0.2" gdb_test "p 1.4dl * 1.2dl" " = 1.68" gdb_test "p 1.4dl / 1.2dl" " = 1.166666666666666666666666666666667" # Test type of operation result. gdb_test "ptype 2.df + 2.df" "= _Decimal32" gdb_test "ptype 2.dd + 2.dd" "= _Decimal64" gdb_test "ptype 2.dl + 2.dl" "= _Decimal128" # Mixture of different _Decimal sizes. gdb_test "p 2.1df + 2.7dd" "= 4.8" gdb_test "p 2.1dd + 2.7df" "= 4.8" gdb_test "p 2.6df + 2.7dl" "= 5.3" gdb_test "p 2.6dl + 2.7df" "= 5.3" gdb_test "p 2.3dd + 2.2dl" "= 4.5" gdb_test "p 2.3dl + 2.2dd" "= 4.5" gdb_test "ptype 2.df + 2.dd" "= _Decimal64" gdb_test "ptype 2.df + 2.dl" "= _Decimal128" gdb_test "ptype 2.dd + 2.dl" "= _Decimal128" # Mixture of Decimal and integral operands gdb_test "p 1.2df + 1" " = 2.2" gdb_test "p 2 + 1.7dd" " = 3.7" gdb_test "p 3 + 2.1dl" " = 5.1" gdb_test "ptype 1.2df + 1" " = _Decimal32" gdb_test "ptype 2 + 1.7dd" " = _Decimal64" gdb_test "ptype 3 + 2.1dl" " = _Decimal128" # Reject operation with integral larger than 32-bits gdb_test "p 1.2df + 2ll" "Conversion of large integer to a decimal floating type is not supported." # Reject operation with DFP and Binary FP gdb_test "p 1.2df + 1.2f" "Mixing decimal floating types with other floating types is not allowed." # Test other operations with DFP operands gdb_test "p !0.df" " = 1" gdb_test "p !0.dd" " = 1" gdb_test "p !0.dl" " = 1" gdb_test "p !0.5df" " = 0" gdb_test "p !0.5dd" " = 0" gdb_test "p !0.5dl" " = 0" gdb_test "p 1.2df == 1.2df" " = 1" gdb_test "p 1.2df == 1.2dd" " = 1" gdb_test "p 1.2df == 1.2dl" " = 1" gdb_test "p 1.2dd == 1.2df" " = 1" gdb_test "p 1.2dd == 1.2dl" " = 1" gdb_test "p 1.2dl == 1.2df" " = 1" gdb_test "p 1.2dl == 1.2dd" " = 1" gdb_test "p 1.2df == 1.3df" " = 0" gdb_test "p 1.2df == 1.3dd" " = 0" gdb_test "p 1.2df == 1.3dl" " = 0" gdb_test "p 1.2dd == 1.3df" " = 0" gdb_test "p 1.2dd == 1.3dl" " = 0" gdb_test "p 1.2dl == 1.3df" " = 0" gdb_test "p 1.2dl == 1.3dd" " = 0" gdb_test "p +1.2df" " = 1.2" gdb_test "p +1.2dd" " = 1.2" gdb_test "p +1.2dl" " = 1.2" gdb_test "p 1.2df < 1.3df" " = 1" gdb_test "p 1.2df < 1.3dd" " = 1" gdb_test "p 1.2dl < 1.3df" " = 1" gdb_test "p 1.2dd < 1.3dd" " = 1" gdb_test "p 1.2dd < 1.3dl" " = 1" gdb_test "p 1.2dl < 1.3dl" " = 1" gdb_test "p 1.2dl < 1.3df" " = 1" gdb_test "p 1.2df > 1" " = 1" gdb_test "p 1.2dl > 2" " = 0" gdb_test "p 2 > 1.2dd" " = 1" gdb_test "p 2 > 3.1dl" " = 0" } proc test_dfp_conversions {} { # Test cast to and from DFP values, and between DFPs of different sizes gdb_test "p (float) -0.1df" " = -0.(0999.*|1000.*)" gdb_test "p (int) 8.3dd" " = 8" gdb_test "p (_Decimal64) 3.1" " = 3.(0999.*|1000.*)" gdb_test "p (_Decimal128) 3.7df" " = 3.7" gdb_test "p (_Decimal32) 4" " = 4" } # Start with a fresh gdb. gdb_exit gdb_start gdb_reinitialize_dir $srcdir/$subdir test_dfp_literals_accepted test_dfp_arithmetic_expressions test_dfp_conversions