| Georg Brandl | faa9ad2 | 2011-03-05 15:06:13 +0100 | [diff] [blame] | 1 | ------------------------------------------------------------------------ |
| 2 | -- ddReduce.decTest -- remove trailing zeros from a decDouble -- |
| 3 | -- Copyright (c) IBM Corporation, 2003, 2008. All rights reserved. -- |
| 4 | ------------------------------------------------------------------------ |
| 5 | -- Please see the document "General Decimal Arithmetic Testcases" -- |
| 6 | -- at http://www2.hursley.ibm.com/decimal for the description of -- |
| 7 | -- these testcases. -- |
| 8 | -- -- |
| 9 | -- These testcases are experimental ('beta' versions), and they -- |
| 10 | -- may contain errors. They are offered on an as-is basis. In -- |
| 11 | -- particular, achieving the same results as the tests here is not -- |
| 12 | -- a guarantee that an implementation complies with any Standard -- |
| 13 | -- or specification. The tests are not exhaustive. -- |
| 14 | -- -- |
| 15 | -- Please send comments, suggestions, and corrections to the author: -- |
| 16 | -- Mike Cowlishaw, IBM Fellow -- |
| 17 | -- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK -- |
| 18 | -- mfc@uk.ibm.com -- |
| 19 | ------------------------------------------------------------------------ |
| 20 | version: 2.59 |
| 21 | |
| 22 | precision: 16 |
| 23 | maxExponent: 384 |
| 24 | minExponent: -383 |
| 25 | extended: 1 |
| 26 | clamp: 1 |
| 27 | rounding: half_even |
| 28 | |
| 29 | ddred001 reduce '1' -> '1' |
| 30 | ddred002 reduce '-1' -> '-1' |
| 31 | ddred003 reduce '1.00' -> '1' |
| 32 | ddred004 reduce '-1.00' -> '-1' |
| 33 | ddred005 reduce '0' -> '0' |
| 34 | ddred006 reduce '0.00' -> '0' |
| 35 | ddred007 reduce '00.0' -> '0' |
| 36 | ddred008 reduce '00.00' -> '0' |
| 37 | ddred009 reduce '00' -> '0' |
| 38 | ddred010 reduce '0E+1' -> '0' |
| 39 | ddred011 reduce '0E+5' -> '0' |
| 40 | |
| 41 | ddred012 reduce '-2' -> '-2' |
| 42 | ddred013 reduce '2' -> '2' |
| 43 | ddred014 reduce '-2.00' -> '-2' |
| 44 | ddred015 reduce '2.00' -> '2' |
| 45 | ddred016 reduce '-0' -> '-0' |
| 46 | ddred017 reduce '-0.00' -> '-0' |
| 47 | ddred018 reduce '-00.0' -> '-0' |
| 48 | ddred019 reduce '-00.00' -> '-0' |
| 49 | ddred020 reduce '-00' -> '-0' |
| 50 | ddred021 reduce '-0E+5' -> '-0' |
| 51 | ddred022 reduce '-0E+1' -> '-0' |
| 52 | |
| 53 | ddred030 reduce '+0.1' -> '0.1' |
| 54 | ddred031 reduce '-0.1' -> '-0.1' |
| 55 | ddred032 reduce '+0.01' -> '0.01' |
| 56 | ddred033 reduce '-0.01' -> '-0.01' |
| 57 | ddred034 reduce '+0.001' -> '0.001' |
| 58 | ddred035 reduce '-0.001' -> '-0.001' |
| 59 | ddred036 reduce '+0.000001' -> '0.000001' |
| 60 | ddred037 reduce '-0.000001' -> '-0.000001' |
| 61 | ddred038 reduce '+0.000000000001' -> '1E-12' |
| 62 | ddred039 reduce '-0.000000000001' -> '-1E-12' |
| 63 | |
| 64 | ddred041 reduce 1.1 -> 1.1 |
| 65 | ddred042 reduce 1.10 -> 1.1 |
| 66 | ddred043 reduce 1.100 -> 1.1 |
| 67 | ddred044 reduce 1.110 -> 1.11 |
| 68 | ddred045 reduce -1.1 -> -1.1 |
| 69 | ddred046 reduce -1.10 -> -1.1 |
| 70 | ddred047 reduce -1.100 -> -1.1 |
| 71 | ddred048 reduce -1.110 -> -1.11 |
| 72 | ddred049 reduce 9.9 -> 9.9 |
| 73 | ddred050 reduce 9.90 -> 9.9 |
| 74 | ddred051 reduce 9.900 -> 9.9 |
| 75 | ddred052 reduce 9.990 -> 9.99 |
| 76 | ddred053 reduce -9.9 -> -9.9 |
| 77 | ddred054 reduce -9.90 -> -9.9 |
| 78 | ddred055 reduce -9.900 -> -9.9 |
| 79 | ddred056 reduce -9.990 -> -9.99 |
| 80 | |
| 81 | -- some trailing fractional zeros with zeros in units |
| 82 | ddred060 reduce 10.0 -> 1E+1 |
| 83 | ddred061 reduce 10.00 -> 1E+1 |
| 84 | ddred062 reduce 100.0 -> 1E+2 |
| 85 | ddred063 reduce 100.00 -> 1E+2 |
| 86 | ddred064 reduce 1.1000E+3 -> 1.1E+3 |
| 87 | ddred065 reduce 1.10000E+3 -> 1.1E+3 |
| 88 | ddred066 reduce -10.0 -> -1E+1 |
| 89 | ddred067 reduce -10.00 -> -1E+1 |
| 90 | ddred068 reduce -100.0 -> -1E+2 |
| 91 | ddred069 reduce -100.00 -> -1E+2 |
| 92 | ddred070 reduce -1.1000E+3 -> -1.1E+3 |
| 93 | ddred071 reduce -1.10000E+3 -> -1.1E+3 |
| 94 | |
| 95 | -- some insignificant trailing zeros with positive exponent |
| 96 | ddred080 reduce 10E+1 -> 1E+2 |
| 97 | ddred081 reduce 100E+1 -> 1E+3 |
| 98 | ddred082 reduce 1.0E+2 -> 1E+2 |
| 99 | ddred083 reduce 1.0E+3 -> 1E+3 |
| 100 | ddred084 reduce 1.1E+3 -> 1.1E+3 |
| 101 | ddred085 reduce 1.00E+3 -> 1E+3 |
| 102 | ddred086 reduce 1.10E+3 -> 1.1E+3 |
| 103 | ddred087 reduce -10E+1 -> -1E+2 |
| 104 | ddred088 reduce -100E+1 -> -1E+3 |
| 105 | ddred089 reduce -1.0E+2 -> -1E+2 |
| 106 | ddred090 reduce -1.0E+3 -> -1E+3 |
| 107 | ddred091 reduce -1.1E+3 -> -1.1E+3 |
| 108 | ddred092 reduce -1.00E+3 -> -1E+3 |
| 109 | ddred093 reduce -1.10E+3 -> -1.1E+3 |
| 110 | |
| 111 | -- some significant trailing zeros, were we to be trimming |
| 112 | ddred100 reduce 11 -> 11 |
| 113 | ddred101 reduce 10 -> 1E+1 |
| 114 | ddred102 reduce 10. -> 1E+1 |
| 115 | ddred103 reduce 1.1E+1 -> 11 |
| 116 | ddred104 reduce 1.0E+1 -> 1E+1 |
| 117 | ddred105 reduce 1.10E+2 -> 1.1E+2 |
| 118 | ddred106 reduce 1.00E+2 -> 1E+2 |
| 119 | ddred107 reduce 1.100E+3 -> 1.1E+3 |
| 120 | ddred108 reduce 1.000E+3 -> 1E+3 |
| 121 | ddred109 reduce 1.000000E+6 -> 1E+6 |
| 122 | ddred110 reduce -11 -> -11 |
| 123 | ddred111 reduce -10 -> -1E+1 |
| 124 | ddred112 reduce -10. -> -1E+1 |
| 125 | ddred113 reduce -1.1E+1 -> -11 |
| 126 | ddred114 reduce -1.0E+1 -> -1E+1 |
| 127 | ddred115 reduce -1.10E+2 -> -1.1E+2 |
| 128 | ddred116 reduce -1.00E+2 -> -1E+2 |
| 129 | ddred117 reduce -1.100E+3 -> -1.1E+3 |
| 130 | ddred118 reduce -1.000E+3 -> -1E+3 |
| 131 | ddred119 reduce -1.00000E+5 -> -1E+5 |
| 132 | ddred120 reduce -1.000000E+6 -> -1E+6 |
| 133 | ddred121 reduce -10.00000E+6 -> -1E+7 |
| 134 | ddred122 reduce -100.0000E+6 -> -1E+8 |
| 135 | ddred123 reduce -1000.000E+6 -> -1E+9 |
| 136 | ddred124 reduce -10000.00E+6 -> -1E+10 |
| 137 | ddred125 reduce -100000.0E+6 -> -1E+11 |
| 138 | ddred126 reduce -1000000.E+6 -> -1E+12 |
| 139 | |
| 140 | -- examples from decArith |
| 141 | ddred140 reduce '2.1' -> '2.1' |
| 142 | ddred141 reduce '-2.0' -> '-2' |
| 143 | ddred142 reduce '1.200' -> '1.2' |
| 144 | ddred143 reduce '-120' -> '-1.2E+2' |
| 145 | ddred144 reduce '120.00' -> '1.2E+2' |
| 146 | ddred145 reduce '0.00' -> '0' |
| 147 | |
| 148 | -- Nmax, Nmin, Ntiny |
| 149 | -- note origami effect on some of these |
| 150 | ddred151 reduce 9.999999999999999E+384 -> 9.999999999999999E+384 |
| 151 | ddred152 reduce 9.999999000000000E+380 -> 9.99999900000E+380 |
| 152 | ddred153 reduce 9.999999999990000E+384 -> 9.999999999990000E+384 |
| 153 | ddred154 reduce 1E-383 -> 1E-383 |
| 154 | ddred155 reduce 1.000000000000000E-383 -> 1E-383 |
| 155 | ddred156 reduce 2.000E-395 -> 2E-395 Subnormal |
| 156 | ddred157 reduce 1E-398 -> 1E-398 Subnormal |
| 157 | |
| 158 | ddred161 reduce -1E-398 -> -1E-398 Subnormal |
| 159 | ddred162 reduce -2.000E-395 -> -2E-395 Subnormal |
| 160 | ddred163 reduce -1.000000000000000E-383 -> -1E-383 |
| 161 | ddred164 reduce -1E-383 -> -1E-383 |
| 162 | ddred165 reduce -9.999999000000000E+380 -> -9.99999900000E+380 |
| 163 | ddred166 reduce -9.999999999990000E+384 -> -9.999999999990000E+384 |
| 164 | ddred167 reduce -9.999999999999990E+384 -> -9.999999999999990E+384 |
| 165 | ddred168 reduce -9.999999999999999E+384 -> -9.999999999999999E+384 |
| 166 | ddred169 reduce -9.999999999999990E+384 -> -9.999999999999990E+384 |
| 167 | |
| 168 | |
| 169 | -- specials (reduce does not affect payload) |
| 170 | ddred820 reduce 'Inf' -> 'Infinity' |
| 171 | ddred821 reduce '-Inf' -> '-Infinity' |
| 172 | ddred822 reduce NaN -> NaN |
| 173 | ddred823 reduce sNaN -> NaN Invalid_operation |
| 174 | ddred824 reduce NaN101 -> NaN101 |
| 175 | ddred825 reduce sNaN010 -> NaN10 Invalid_operation |
| 176 | ddred827 reduce -NaN -> -NaN |
| 177 | ddred828 reduce -sNaN -> -NaN Invalid_operation |
| 178 | ddred829 reduce -NaN101 -> -NaN101 |
| 179 | ddred830 reduce -sNaN010 -> -NaN10 Invalid_operation |
| 180 | |
| 181 | -- Null test |
| 182 | ddred900 reduce # -> NaN Invalid_operation |