mirror of https://github.com/python/cpython
183 lines
7.1 KiB
Plaintext
183 lines
7.1 KiB
Plaintext
------------------------------------------------------------------------
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-- ddReduce.decTest -- remove trailing zeros from a decDouble --
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-- Copyright (c) IBM Corporation, 2003, 2008. All rights reserved. --
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------------------------------------------------------------------------
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-- Please see the document "General Decimal Arithmetic Testcases" --
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-- at http://www2.hursley.ibm.com/decimal for the description of --
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-- these testcases. --
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-- --
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-- These testcases are experimental ('beta' versions), and they --
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-- may contain errors. They are offered on an as-is basis. In --
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-- particular, achieving the same results as the tests here is not --
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-- a guarantee that an implementation complies with any Standard --
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-- or specification. The tests are not exhaustive. --
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-- --
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-- Please send comments, suggestions, and corrections to the author: --
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-- Mike Cowlishaw, IBM Fellow --
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-- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK --
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-- mfc@uk.ibm.com --
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------------------------------------------------------------------------
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version: 2.59
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precision: 16
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maxExponent: 384
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minExponent: -383
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extended: 1
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clamp: 1
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rounding: half_even
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ddred001 reduce '1' -> '1'
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ddred002 reduce '-1' -> '-1'
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ddred003 reduce '1.00' -> '1'
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ddred004 reduce '-1.00' -> '-1'
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ddred005 reduce '0' -> '0'
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ddred006 reduce '0.00' -> '0'
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ddred007 reduce '00.0' -> '0'
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ddred008 reduce '00.00' -> '0'
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ddred009 reduce '00' -> '0'
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ddred010 reduce '0E+1' -> '0'
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ddred011 reduce '0E+5' -> '0'
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ddred012 reduce '-2' -> '-2'
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ddred013 reduce '2' -> '2'
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ddred014 reduce '-2.00' -> '-2'
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ddred015 reduce '2.00' -> '2'
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ddred016 reduce '-0' -> '-0'
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ddred017 reduce '-0.00' -> '-0'
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ddred018 reduce '-00.0' -> '-0'
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ddred019 reduce '-00.00' -> '-0'
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ddred020 reduce '-00' -> '-0'
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ddred021 reduce '-0E+5' -> '-0'
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ddred022 reduce '-0E+1' -> '-0'
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ddred030 reduce '+0.1' -> '0.1'
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ddred031 reduce '-0.1' -> '-0.1'
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ddred032 reduce '+0.01' -> '0.01'
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ddred033 reduce '-0.01' -> '-0.01'
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ddred034 reduce '+0.001' -> '0.001'
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ddred035 reduce '-0.001' -> '-0.001'
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ddred036 reduce '+0.000001' -> '0.000001'
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ddred037 reduce '-0.000001' -> '-0.000001'
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ddred038 reduce '+0.000000000001' -> '1E-12'
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ddred039 reduce '-0.000000000001' -> '-1E-12'
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ddred041 reduce 1.1 -> 1.1
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ddred042 reduce 1.10 -> 1.1
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ddred043 reduce 1.100 -> 1.1
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ddred044 reduce 1.110 -> 1.11
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ddred045 reduce -1.1 -> -1.1
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ddred046 reduce -1.10 -> -1.1
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ddred047 reduce -1.100 -> -1.1
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ddred048 reduce -1.110 -> -1.11
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ddred049 reduce 9.9 -> 9.9
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ddred050 reduce 9.90 -> 9.9
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ddred051 reduce 9.900 -> 9.9
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ddred052 reduce 9.990 -> 9.99
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ddred053 reduce -9.9 -> -9.9
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ddred054 reduce -9.90 -> -9.9
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ddred055 reduce -9.900 -> -9.9
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ddred056 reduce -9.990 -> -9.99
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-- some trailing fractional zeros with zeros in units
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ddred060 reduce 10.0 -> 1E+1
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ddred061 reduce 10.00 -> 1E+1
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ddred062 reduce 100.0 -> 1E+2
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ddred063 reduce 100.00 -> 1E+2
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ddred064 reduce 1.1000E+3 -> 1.1E+3
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ddred065 reduce 1.10000E+3 -> 1.1E+3
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ddred066 reduce -10.0 -> -1E+1
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ddred067 reduce -10.00 -> -1E+1
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ddred068 reduce -100.0 -> -1E+2
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ddred069 reduce -100.00 -> -1E+2
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ddred070 reduce -1.1000E+3 -> -1.1E+3
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ddred071 reduce -1.10000E+3 -> -1.1E+3
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-- some insignificant trailing zeros with positive exponent
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ddred080 reduce 10E+1 -> 1E+2
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ddred081 reduce 100E+1 -> 1E+3
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ddred082 reduce 1.0E+2 -> 1E+2
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ddred083 reduce 1.0E+3 -> 1E+3
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ddred084 reduce 1.1E+3 -> 1.1E+3
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ddred085 reduce 1.00E+3 -> 1E+3
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ddred086 reduce 1.10E+3 -> 1.1E+3
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ddred087 reduce -10E+1 -> -1E+2
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ddred088 reduce -100E+1 -> -1E+3
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ddred089 reduce -1.0E+2 -> -1E+2
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ddred090 reduce -1.0E+3 -> -1E+3
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ddred091 reduce -1.1E+3 -> -1.1E+3
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ddred092 reduce -1.00E+3 -> -1E+3
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ddred093 reduce -1.10E+3 -> -1.1E+3
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-- some significant trailing zeros, were we to be trimming
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ddred100 reduce 11 -> 11
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ddred101 reduce 10 -> 1E+1
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ddred102 reduce 10. -> 1E+1
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ddred103 reduce 1.1E+1 -> 11
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ddred104 reduce 1.0E+1 -> 1E+1
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ddred105 reduce 1.10E+2 -> 1.1E+2
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ddred106 reduce 1.00E+2 -> 1E+2
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ddred107 reduce 1.100E+3 -> 1.1E+3
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ddred108 reduce 1.000E+3 -> 1E+3
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ddred109 reduce 1.000000E+6 -> 1E+6
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ddred110 reduce -11 -> -11
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ddred111 reduce -10 -> -1E+1
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ddred112 reduce -10. -> -1E+1
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ddred113 reduce -1.1E+1 -> -11
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ddred114 reduce -1.0E+1 -> -1E+1
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ddred115 reduce -1.10E+2 -> -1.1E+2
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ddred116 reduce -1.00E+2 -> -1E+2
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ddred117 reduce -1.100E+3 -> -1.1E+3
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ddred118 reduce -1.000E+3 -> -1E+3
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ddred119 reduce -1.00000E+5 -> -1E+5
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ddred120 reduce -1.000000E+6 -> -1E+6
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ddred121 reduce -10.00000E+6 -> -1E+7
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ddred122 reduce -100.0000E+6 -> -1E+8
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ddred123 reduce -1000.000E+6 -> -1E+9
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ddred124 reduce -10000.00E+6 -> -1E+10
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ddred125 reduce -100000.0E+6 -> -1E+11
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ddred126 reduce -1000000.E+6 -> -1E+12
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-- examples from decArith
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ddred140 reduce '2.1' -> '2.1'
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ddred141 reduce '-2.0' -> '-2'
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ddred142 reduce '1.200' -> '1.2'
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ddred143 reduce '-120' -> '-1.2E+2'
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ddred144 reduce '120.00' -> '1.2E+2'
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ddred145 reduce '0.00' -> '0'
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-- Nmax, Nmin, Ntiny
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-- note origami effect on some of these
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ddred151 reduce 9.999999999999999E+384 -> 9.999999999999999E+384
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ddred152 reduce 9.999999000000000E+380 -> 9.99999900000E+380
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ddred153 reduce 9.999999999990000E+384 -> 9.999999999990000E+384
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ddred154 reduce 1E-383 -> 1E-383
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ddred155 reduce 1.000000000000000E-383 -> 1E-383
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ddred156 reduce 2.000E-395 -> 2E-395 Subnormal
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ddred157 reduce 1E-398 -> 1E-398 Subnormal
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ddred161 reduce -1E-398 -> -1E-398 Subnormal
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ddred162 reduce -2.000E-395 -> -2E-395 Subnormal
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ddred163 reduce -1.000000000000000E-383 -> -1E-383
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ddred164 reduce -1E-383 -> -1E-383
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ddred165 reduce -9.999999000000000E+380 -> -9.99999900000E+380
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ddred166 reduce -9.999999999990000E+384 -> -9.999999999990000E+384
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ddred167 reduce -9.999999999999990E+384 -> -9.999999999999990E+384
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ddred168 reduce -9.999999999999999E+384 -> -9.999999999999999E+384
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ddred169 reduce -9.999999999999990E+384 -> -9.999999999999990E+384
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-- specials (reduce does not affect payload)
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ddred820 reduce 'Inf' -> 'Infinity'
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ddred821 reduce '-Inf' -> '-Infinity'
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ddred822 reduce NaN -> NaN
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ddred823 reduce sNaN -> NaN Invalid_operation
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ddred824 reduce NaN101 -> NaN101
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ddred825 reduce sNaN010 -> NaN10 Invalid_operation
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ddred827 reduce -NaN -> -NaN
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ddred828 reduce -sNaN -> -NaN Invalid_operation
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ddred829 reduce -NaN101 -> -NaN101
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ddred830 reduce -sNaN010 -> -NaN10 Invalid_operation
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-- Null test
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ddred900 reduce # -> NaN Invalid_operation
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