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Diffstat (limited to 'lib/python2.7/test/decimaltestdata/ddReduce.decTest')
| -rw-r--r-- | lib/python2.7/test/decimaltestdata/ddReduce.decTest | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/lib/python2.7/test/decimaltestdata/ddReduce.decTest b/lib/python2.7/test/decimaltestdata/ddReduce.decTest new file mode 100644 index 0000000..9529e50 --- /dev/null +++ b/lib/python2.7/test/decimaltestdata/ddReduce.decTest @@ -0,0 +1,182 @@ +------------------------------------------------------------------------ +-- ddReduce.decTest -- remove trailing zeros from a decDouble -- +-- Copyright (c) IBM Corporation, 2003, 2008. All rights reserved. -- +------------------------------------------------------------------------ +-- Please see the document "General Decimal Arithmetic Testcases" -- +-- at http://www2.hursley.ibm.com/decimal for the description of -- +-- these testcases. -- +-- -- +-- These testcases are experimental ('beta' versions), and they -- +-- may contain errors. They are offered on an as-is basis. In -- +-- particular, achieving the same results as the tests here is not -- +-- a guarantee that an implementation complies with any Standard -- +-- or specification. The tests are not exhaustive. -- +-- -- +-- Please send comments, suggestions, and corrections to the author: -- +-- Mike Cowlishaw, IBM Fellow -- +-- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK -- +-- mfc@uk.ibm.com -- +------------------------------------------------------------------------ +version: 2.59 + +precision: 16 +maxExponent: 384 +minExponent: -383 +extended: 1 +clamp: 1 +rounding: half_even + +ddred001 reduce '1' -> '1' +ddred002 reduce '-1' -> '-1' +ddred003 reduce '1.00' -> '1' +ddred004 reduce '-1.00' -> '-1' +ddred005 reduce '0' -> '0' +ddred006 reduce '0.00' -> '0' +ddred007 reduce '00.0' -> '0' +ddred008 reduce '00.00' -> '0' +ddred009 reduce '00' -> '0' +ddred010 reduce '0E+1' -> '0' +ddred011 reduce '0E+5' -> '0' + +ddred012 reduce '-2' -> '-2' +ddred013 reduce '2' -> '2' +ddred014 reduce '-2.00' -> '-2' +ddred015 reduce '2.00' -> '2' +ddred016 reduce '-0' -> '-0' +ddred017 reduce '-0.00' -> '-0' +ddred018 reduce '-00.0' -> '-0' +ddred019 reduce '-00.00' -> '-0' +ddred020 reduce '-00' -> '-0' +ddred021 reduce '-0E+5' -> '-0' +ddred022 reduce '-0E+1' -> '-0' + +ddred030 reduce '+0.1' -> '0.1' +ddred031 reduce '-0.1' -> '-0.1' +ddred032 reduce '+0.01' -> '0.01' +ddred033 reduce '-0.01' -> '-0.01' +ddred034 reduce '+0.001' -> '0.001' +ddred035 reduce '-0.001' -> '-0.001' +ddred036 reduce '+0.000001' -> '0.000001' +ddred037 reduce '-0.000001' -> '-0.000001' +ddred038 reduce '+0.000000000001' -> '1E-12' +ddred039 reduce '-0.000000000001' -> '-1E-12' + +ddred041 reduce 1.1 -> 1.1 +ddred042 reduce 1.10 -> 1.1 +ddred043 reduce 1.100 -> 1.1 +ddred044 reduce 1.110 -> 1.11 +ddred045 reduce -1.1 -> -1.1 +ddred046 reduce -1.10 -> -1.1 +ddred047 reduce -1.100 -> -1.1 +ddred048 reduce -1.110 -> -1.11 +ddred049 reduce 9.9 -> 9.9 +ddred050 reduce 9.90 -> 9.9 +ddred051 reduce 9.900 -> 9.9 +ddred052 reduce 9.990 -> 9.99 +ddred053 reduce -9.9 -> -9.9 +ddred054 reduce -9.90 -> -9.9 +ddred055 reduce -9.900 -> -9.9 +ddred056 reduce -9.990 -> -9.99 + +-- some trailing fractional zeros with zeros in units +ddred060 reduce 10.0 -> 1E+1 +ddred061 reduce 10.00 -> 1E+1 +ddred062 reduce 100.0 -> 1E+2 +ddred063 reduce 100.00 -> 1E+2 +ddred064 reduce 1.1000E+3 -> 1.1E+3 +ddred065 reduce 1.10000E+3 -> 1.1E+3 +ddred066 reduce -10.0 -> -1E+1 +ddred067 reduce -10.00 -> -1E+1 +ddred068 reduce -100.0 -> -1E+2 +ddred069 reduce -100.00 -> -1E+2 +ddred070 reduce -1.1000E+3 -> -1.1E+3 +ddred071 reduce -1.10000E+3 -> -1.1E+3 + +-- some insignificant trailing zeros with positive exponent +ddred080 reduce 10E+1 -> 1E+2 +ddred081 reduce 100E+1 -> 1E+3 +ddred082 reduce 1.0E+2 -> 1E+2 +ddred083 reduce 1.0E+3 -> 1E+3 +ddred084 reduce 1.1E+3 -> 1.1E+3 +ddred085 reduce 1.00E+3 -> 1E+3 +ddred086 reduce 1.10E+3 -> 1.1E+3 +ddred087 reduce -10E+1 -> -1E+2 +ddred088 reduce -100E+1 -> -1E+3 +ddred089 reduce -1.0E+2 -> -1E+2 +ddred090 reduce -1.0E+3 -> -1E+3 +ddred091 reduce -1.1E+3 -> -1.1E+3 +ddred092 reduce -1.00E+3 -> -1E+3 +ddred093 reduce -1.10E+3 -> -1.1E+3 + +-- some significant trailing zeros, were we to be trimming +ddred100 reduce 11 -> 11 +ddred101 reduce 10 -> 1E+1 +ddred102 reduce 10. -> 1E+1 +ddred103 reduce 1.1E+1 -> 11 +ddred104 reduce 1.0E+1 -> 1E+1 +ddred105 reduce 1.10E+2 -> 1.1E+2 +ddred106 reduce 1.00E+2 -> 1E+2 +ddred107 reduce 1.100E+3 -> 1.1E+3 +ddred108 reduce 1.000E+3 -> 1E+3 +ddred109 reduce 1.000000E+6 -> 1E+6 +ddred110 reduce -11 -> -11 +ddred111 reduce -10 -> -1E+1 +ddred112 reduce -10. -> -1E+1 +ddred113 reduce -1.1E+1 -> -11 +ddred114 reduce -1.0E+1 -> -1E+1 +ddred115 reduce -1.10E+2 -> -1.1E+2 +ddred116 reduce -1.00E+2 -> -1E+2 +ddred117 reduce -1.100E+3 -> -1.1E+3 +ddred118 reduce -1.000E+3 -> -1E+3 +ddred119 reduce -1.00000E+5 -> -1E+5 +ddred120 reduce -1.000000E+6 -> -1E+6 +ddred121 reduce -10.00000E+6 -> -1E+7 +ddred122 reduce -100.0000E+6 -> -1E+8 +ddred123 reduce -1000.000E+6 -> -1E+9 +ddred124 reduce -10000.00E+6 -> -1E+10 +ddred125 reduce -100000.0E+6 -> -1E+11 +ddred126 reduce -1000000.E+6 -> -1E+12 + +-- examples from decArith +ddred140 reduce '2.1' -> '2.1' +ddred141 reduce '-2.0' -> '-2' +ddred142 reduce '1.200' -> '1.2' +ddred143 reduce '-120' -> '-1.2E+2' +ddred144 reduce '120.00' -> '1.2E+2' +ddred145 reduce '0.00' -> '0' + +-- Nmax, Nmin, Ntiny +-- note origami effect on some of these +ddred151 reduce 9.999999999999999E+384 -> 9.999999999999999E+384 +ddred152 reduce 9.999999000000000E+380 -> 9.99999900000E+380 +ddred153 reduce 9.999999999990000E+384 -> 9.999999999990000E+384 +ddred154 reduce 1E-383 -> 1E-383 +ddred155 reduce 1.000000000000000E-383 -> 1E-383 +ddred156 reduce 2.000E-395 -> 2E-395 Subnormal +ddred157 reduce 1E-398 -> 1E-398 Subnormal + +ddred161 reduce -1E-398 -> -1E-398 Subnormal +ddred162 reduce -2.000E-395 -> -2E-395 Subnormal +ddred163 reduce -1.000000000000000E-383 -> -1E-383 +ddred164 reduce -1E-383 -> -1E-383 +ddred165 reduce -9.999999000000000E+380 -> -9.99999900000E+380 +ddred166 reduce -9.999999999990000E+384 -> -9.999999999990000E+384 +ddred167 reduce -9.999999999999990E+384 -> -9.999999999999990E+384 +ddred168 reduce -9.999999999999999E+384 -> -9.999999999999999E+384 +ddred169 reduce -9.999999999999990E+384 -> -9.999999999999990E+384 + + +-- specials (reduce does not affect payload) +ddred820 reduce 'Inf' -> 'Infinity' +ddred821 reduce '-Inf' -> '-Infinity' +ddred822 reduce NaN -> NaN +ddred823 reduce sNaN -> NaN Invalid_operation +ddred824 reduce NaN101 -> NaN101 +ddred825 reduce sNaN010 -> NaN10 Invalid_operation +ddred827 reduce -NaN -> -NaN +ddred828 reduce -sNaN -> -NaN Invalid_operation +ddred829 reduce -NaN101 -> -NaN101 +ddred830 reduce -sNaN010 -> -NaN10 Invalid_operation + +-- Null test +ddred900 reduce # -> NaN Invalid_operation |