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 (a] 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 183
