github.com/cockroachdb/apd/v3@v3.2.0/testdata/abs.decTest (about) 1 ------------------------------------------------------------------------ 2 -- abs.decTest -- decimal absolute value -- 3 -- Copyright (c) Mike Cowlishaw, 1981, 2010. All rights reserved. -- 4 -- Parts copyright (c) IBM Corporation, 1981, 2008. -- 5 ------------------------------------------------------------------------ 6 -- Please see the document "General Decimal Arithmetic Testcases" -- 7 -- at http://speleotrove.com/decimal for the description of -- 8 -- these testcases. -- 9 -- -- 10 -- These testcases are experimental ('beta' versions), and they -- 11 -- may contain errors. They are offered on an as-is basis. In -- 12 -- particular, achieving the same results as the tests here is not -- 13 -- a guarantee that an implementation complies with any Standard -- 14 -- or specification. The tests are not exhaustive. -- 15 -- -- 16 -- Please send comments, suggestions, and corrections to the author: -- 17 -- Mike Cowlishaw, mfc@speleotrove.com -- 18 ------------------------------------------------------------------------ 19 version: 2.62 20 21 -- This set of tests primarily tests the existence of the operator. 22 -- Additon, subtraction, rounding, and more overflows are tested 23 -- elsewhere. 24 25 precision: 9 26 rounding: half_up 27 maxExponent: 384 28 minexponent: -383 29 extended: 1 30 31 absx001 abs '1' -> '1' 32 absx002 abs '-1' -> '1' 33 absx003 abs '1.00' -> '1.00' 34 absx004 abs '-1.00' -> '1.00' 35 absx005 abs '0' -> '0' 36 absx006 abs '0.00' -> '0.00' 37 absx007 abs '00.0' -> '0.0' 38 absx008 abs '00.00' -> '0.00' 39 absx009 abs '00' -> '0' 40 41 absx010 abs '-2' -> '2' 42 absx011 abs '2' -> '2' 43 absx012 abs '-2.00' -> '2.00' 44 absx013 abs '2.00' -> '2.00' 45 absx014 abs '-0' -> '0' 46 absx015 abs '-0.00' -> '0.00' 47 absx016 abs '-00.0' -> '0.0' 48 absx017 abs '-00.00' -> '0.00' 49 absx018 abs '-00' -> '0' 50 51 absx020 abs '-2000000' -> '2000000' 52 absx021 abs '2000000' -> '2000000' 53 precision: 7 54 absx022 abs '-2000000' -> '2000000' 55 absx023 abs '2000000' -> '2000000' 56 precision: 6 57 absx024 abs '-2000000' -> '2.00000E+6' Rounded 58 absx025 abs '2000000' -> '2.00000E+6' Rounded 59 precision: 3 60 absx026 abs '-2000000' -> '2.00E+6' Rounded 61 absx027 abs '2000000' -> '2.00E+6' Rounded 62 63 absx030 abs '+0.1' -> '0.1' 64 absx031 abs '-0.1' -> '0.1' 65 absx032 abs '+0.01' -> '0.01' 66 absx033 abs '-0.01' -> '0.01' 67 absx034 abs '+0.001' -> '0.001' 68 absx035 abs '-0.001' -> '0.001' 69 absx036 abs '+0.000001' -> '0.000001' 70 absx037 abs '-0.000001' -> '0.000001' 71 absx038 abs '+0.000000000001' -> '1E-12' 72 absx039 abs '-0.000000000001' -> '1E-12' 73 74 -- examples from decArith 75 precision: 9 76 absx040 abs '2.1' -> '2.1' 77 absx041 abs '-100' -> '100' 78 absx042 abs '101.5' -> '101.5' 79 absx043 abs '-101.5' -> '101.5' 80 81 -- more fixed, potential LHS swaps/overlays if done by subtract 0 82 precision: 9 83 absx060 abs '-56267E-10' -> '0.0000056267' 84 absx061 abs '-56267E-5' -> '0.56267' 85 absx062 abs '-56267E-2' -> '562.67' 86 absx063 abs '-56267E-1' -> '5626.7' 87 absx065 abs '-56267E-0' -> '56267' 88 89 -- overflow tests 90 maxexponent: 999999999 91 minexponent: -999999999 92 precision: 3 93 absx120 abs 9.999E+999999999 -> Infinity Inexact Overflow Rounded 94 95 -- subnormals and underflow 96 precision: 3 97 maxexponent: 999 98 minexponent: -999 99 absx210 abs 1.00E-999 -> 1.00E-999 100 absx211 abs 0.1E-999 -> 1E-1000 Subnormal 101 absx212 abs 0.10E-999 -> 1.0E-1000 Subnormal 102 absx213 abs 0.100E-999 -> 1.0E-1000 Subnormal Rounded 103 absx214 abs 0.01E-999 -> 1E-1001 Subnormal 104 -- next is rounded to Emin 105 absx215 abs 0.999E-999 -> 1.00E-999 Inexact Rounded Subnormal Underflow 106 absx216 abs 0.099E-999 -> 1.0E-1000 Inexact Rounded Subnormal Underflow 107 absx217 abs 0.009E-999 -> 1E-1001 Inexact Rounded Subnormal Underflow 108 absx218 abs 0.001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped 109 absx219 abs 0.0009E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped 110 absx220 abs 0.0001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped 111 112 absx230 abs -1.00E-999 -> 1.00E-999 113 absx231 abs -0.1E-999 -> 1E-1000 Subnormal 114 absx232 abs -0.10E-999 -> 1.0E-1000 Subnormal 115 absx233 abs -0.100E-999 -> 1.0E-1000 Subnormal Rounded 116 absx234 abs -0.01E-999 -> 1E-1001 Subnormal 117 -- next is rounded to Emin 118 absx235 abs -0.999E-999 -> 1.00E-999 Inexact Rounded Subnormal Underflow 119 absx236 abs -0.099E-999 -> 1.0E-1000 Inexact Rounded Subnormal Underflow 120 absx237 abs -0.009E-999 -> 1E-1001 Inexact Rounded Subnormal Underflow 121 absx238 abs -0.001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped 122 absx239 abs -0.0009E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped 123 absx240 abs -0.0001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped 124 125 -- long operand tests 126 maxexponent: 999 127 minexponent: -999 128 precision: 9 129 absx301 abs 12345678000 -> 1.23456780E+10 Rounded 130 absx302 abs 1234567800 -> 1.23456780E+9 Rounded 131 absx303 abs 1234567890 -> 1.23456789E+9 Rounded 132 absx304 abs 1234567891 -> 1.23456789E+9 Inexact Rounded 133 absx305 abs 12345678901 -> 1.23456789E+10 Inexact Rounded 134 absx306 abs 1234567896 -> 1.23456790E+9 Inexact Rounded 135 136 precision: 15 137 absx321 abs 12345678000 -> 12345678000 138 absx322 abs 1234567800 -> 1234567800 139 absx323 abs 1234567890 -> 1234567890 140 absx324 abs 1234567891 -> 1234567891 141 absx325 abs 12345678901 -> 12345678901 142 absx326 abs 1234567896 -> 1234567896 143 144 145 -- Specials 146 precision: 9 147 148 -- specials 149 absx520 abs 'Inf' -> 'Infinity' 150 absx521 abs '-Inf' -> 'Infinity' 151 absx522 abs NaN -> NaN 152 absx523 abs sNaN -> NaN Invalid_operation 153 absx524 abs NaN22 -> NaN22 154 absx525 abs sNaN33 -> NaN33 Invalid_operation 155 absx526 abs -NaN22 -> -NaN22 156 absx527 abs -sNaN33 -> -NaN33 Invalid_operation 157 158 -- Null tests 159 absx900 abs # -> NaN Invalid_operation 160