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jeremybenn |
# Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see .
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# This file was written by Wu Zhou. (woodzltc@cn.ibm.com)
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# This file is part of the gdb testsuite. It contains test for evaluating
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# simple decimal floating point (DFP) expression.
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if $tracelevel then {
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strace $tracelevel
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}
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proc test_dfp_literals_accepted {} {
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# Test various dfp values, covering 32-bit, 64-bit and 128-bit ones
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# _Decimal32 constants, which can support up to 7 digits
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gdb_test "p 1.2df" " = 1.2"
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gdb_test "p -1.2df" " = -1.2"
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gdb_test "p 1.234567df" " = 1.234567"
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gdb_test "p -1.234567df" " = -1.234567"
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gdb_test "p 1234567.df" " = 1234567"
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gdb_test "p -1234567.df" " = -1234567"
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gdb_test "p 1.2E1df" " = 12"
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gdb_test "p 1.2E10df" " = 1.2E\\+10"
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gdb_test "p 1.2E-10df" " = 1.2E-10"
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# The largest exponent for 32-bit dfp value is 96.
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gdb_test "p 1.2E96df" " = 1.200000E\\+96"
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# _Decimal64 constants, which can support up to 16 digits
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gdb_test "p 1.2dd" " = 1.2"
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gdb_test "p -1.2dd" " = -1.2"
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gdb_test "p 1.234567890123456dd" " = 1.234567890123456"
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gdb_test "p -1.234567890123456dd" " = -1.234567890123456"
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gdb_test "p 1234567890123456.dd" " = 1234567890123456"
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gdb_test "p -1234567890123456.dd" " = -1234567890123456"
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gdb_test "p 1.2E1dd" " = 12"
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gdb_test "p 1.2E10dd" " = 1.2E\\+10"
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gdb_test "p 1.2E-10dd" " = 1.2E-10"
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# The largest exponent for 64-bit dfp value is 384.
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gdb_test "p 1.2E384dd" " = 1.200000000000000E\\+384"
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# _Decimal128 constants, which can support up to 34 digits
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gdb_test "p 1.2dl" " = 1.2"
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gdb_test "p -1.2dl" " = -1.2"
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gdb_test "p 1.234567890123456789012345678901234dl" " = 1.234567890123456789012345678901234"
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gdb_test "p -1.234567890123456789012345678901234dl" " = -1.234567890123456789012345678901234"
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gdb_test "p 1234567890123456789012345678901234.dl" " = 1234567890123456789012345678901234"
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gdb_test "p -1234567890123456789012345678901234.dl" " = -1234567890123456789012345678901234"
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gdb_test "p 1.2E1dl" " = 12"
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gdb_test "p 1.2E10dl" " = 1.2E\\+10"
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gdb_test "p 1.2E-10dl" " = 1.2E-10"
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# The largest exponent for 128-bit dfp value is 6144.
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gdb_test "p 1.2E6144dl" " = 1.200000000000000000000000000000000E\\+6144"
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}
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proc test_dfp_arithmetic_expressions {} {
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# _Decimal32 operands.
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gdb_test "p 1.4df + 1.2df" " = 2.6"
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gdb_test "p 1.4df - 1.2df" " = 0.2"
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gdb_test "p 1.4df * 1.2df" " = 1.68"
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gdb_test "p 1.4df / 1.2df" " = 1.166667"
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# _Decimal64 operands.
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gdb_test "p 1.4dd + 1.2dd" " = 2.6"
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gdb_test "p 1.4dd - 1.2dd" " = 0.2"
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gdb_test "p 1.4dd * 1.2dd" " = 1.68"
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gdb_test "p 1.4dd / 1.2dd" " = 1.166666666666667"
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# _Decimal128 operands.
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gdb_test "p 1.4dl + 1.2dl" " = 2.6"
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gdb_test "p 1.4dl - 1.2dl" " = 0.2"
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gdb_test "p 1.4dl * 1.2dl" " = 1.68"
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gdb_test "p 1.4dl / 1.2dl" " = 1.166666666666666666666666666666667"
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# Test type of operation result.
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gdb_test "ptype 2.df + 2.df" "= _Decimal32"
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gdb_test "ptype 2.dd + 2.dd" "= _Decimal64"
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gdb_test "ptype 2.dl + 2.dl" "= _Decimal128"
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# Mixture of different _Decimal sizes.
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gdb_test "p 2.1df + 2.7dd" "= 4.8"
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gdb_test "p 2.1dd + 2.7df" "= 4.8"
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gdb_test "p 2.6df + 2.7dl" "= 5.3"
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gdb_test "p 2.6dl + 2.7df" "= 5.3"
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gdb_test "p 2.3dd + 2.2dl" "= 4.5"
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gdb_test "p 2.3dl + 2.2dd" "= 4.5"
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gdb_test "ptype 2.df + 2.dd" "= _Decimal64"
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gdb_test "ptype 2.df + 2.dl" "= _Decimal128"
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gdb_test "ptype 2.dd + 2.dl" "= _Decimal128"
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# Mixture of Decimal and integral operands
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gdb_test "p 1.2df + 1" " = 2.2"
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gdb_test "p 2 + 1.7dd" " = 3.7"
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gdb_test "p 3 + 2.1dl" " = 5.1"
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gdb_test "ptype 1.2df + 1" " = _Decimal32"
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gdb_test "ptype 2 + 1.7dd" " = _Decimal64"
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gdb_test "ptype 3 + 2.1dl" " = _Decimal128"
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# Reject operation with integral larger than 32-bits
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gdb_test "p 1.2df + 2ll" "Conversion of large integer to a decimal floating type is not supported."
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# Reject operation with DFP and Binary FP
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gdb_test "p 1.2df + 1.2f" "Mixing decimal floating types with other floating types is not allowed."
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# Test other operations with DFP operands
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gdb_test "p !0.df" " = 1"
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gdb_test "p !0.dd" " = 1"
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gdb_test "p !0.dl" " = 1"
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gdb_test "p !0.5df" " = 0"
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gdb_test "p !0.5dd" " = 0"
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gdb_test "p !0.5dl" " = 0"
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gdb_test "p 1.2df == 1.2df" " = 1"
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gdb_test "p 1.2df == 1.2dd" " = 1"
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gdb_test "p 1.2df == 1.2dl" " = 1"
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gdb_test "p 1.2dd == 1.2df" " = 1"
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gdb_test "p 1.2dd == 1.2dl" " = 1"
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gdb_test "p 1.2dl == 1.2df" " = 1"
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gdb_test "p 1.2dl == 1.2dd" " = 1"
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gdb_test "p 1.2df == 1.3df" " = 0"
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gdb_test "p 1.2df == 1.3dd" " = 0"
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gdb_test "p 1.2df == 1.3dl" " = 0"
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gdb_test "p 1.2dd == 1.3df" " = 0"
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gdb_test "p 1.2dd == 1.3dl" " = 0"
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gdb_test "p 1.2dl == 1.3df" " = 0"
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gdb_test "p 1.2dl == 1.3dd" " = 0"
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gdb_test "p +1.2df" " = 1.2"
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gdb_test "p +1.2dd" " = 1.2"
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gdb_test "p +1.2dl" " = 1.2"
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gdb_test "p 1.2df < 1.3df" " = 1"
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gdb_test "p 1.2df < 1.3dd" " = 1"
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gdb_test "p 1.2dl < 1.3df" " = 1"
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gdb_test "p 1.2dd < 1.3dd" " = 1"
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gdb_test "p 1.2dd < 1.3dl" " = 1"
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gdb_test "p 1.2dl < 1.3dl" " = 1"
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gdb_test "p 1.2dl < 1.3df" " = 1"
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gdb_test "p 1.2df > 1" " = 1"
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gdb_test "p 1.2dl > 2" " = 0"
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gdb_test "p 2 > 1.2dd" " = 1"
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gdb_test "p 2 > 3.1dl" " = 0"
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}
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proc test_dfp_conversions {} {
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# Test cast to and from DFP values, and between DFPs of different sizes
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gdb_test "p (float) -0.1df" " = -0.(0999.*|1000.*)"
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gdb_test "p (int) 8.3dd" " = 8"
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gdb_test "p (_Decimal64) 3.1" " = 3.(0999.*|1000.*)"
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gdb_test "p (_Decimal128) 3.7df" " = 3.7"
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gdb_test "p (_Decimal32) 4" " = 4"
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}
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# Start with a fresh gdb.
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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test_dfp_literals_accepted
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test_dfp_arithmetic_expressions
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test_dfp_conversions
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