| Georg Brandl | 5537d29 | 2011-03-05 15:10:38 +0100 | [diff] [blame] | 1 | ------------------------------------------------------------------------ |
| 2 | -- ddAbs.decTest -- decDouble absolute value, heeding sNaN -- |
| 3 | -- Copyright (c) IBM Corporation, 1981, 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 | ddabs001 abs '1' -> '1' |
| 30 | ddabs002 abs '-1' -> '1' |
| 31 | ddabs003 abs '1.00' -> '1.00' |
| 32 | ddabs004 abs '-1.00' -> '1.00' |
| 33 | ddabs005 abs '0' -> '0' |
| 34 | ddabs006 abs '0.00' -> '0.00' |
| 35 | ddabs007 abs '00.0' -> '0.0' |
| 36 | ddabs008 abs '00.00' -> '0.00' |
| 37 | ddabs009 abs '00' -> '0' |
| 38 | |
| 39 | ddabs010 abs '-2' -> '2' |
| 40 | ddabs011 abs '2' -> '2' |
| 41 | ddabs012 abs '-2.00' -> '2.00' |
| 42 | ddabs013 abs '2.00' -> '2.00' |
| 43 | ddabs014 abs '-0' -> '0' |
| 44 | ddabs015 abs '-0.00' -> '0.00' |
| 45 | ddabs016 abs '-00.0' -> '0.0' |
| 46 | ddabs017 abs '-00.00' -> '0.00' |
| 47 | ddabs018 abs '-00' -> '0' |
| 48 | |
| 49 | ddabs020 abs '-2000000' -> '2000000' |
| 50 | ddabs021 abs '2000000' -> '2000000' |
| 51 | |
| 52 | ddabs030 abs '+0.1' -> '0.1' |
| 53 | ddabs031 abs '-0.1' -> '0.1' |
| 54 | ddabs032 abs '+0.01' -> '0.01' |
| 55 | ddabs033 abs '-0.01' -> '0.01' |
| 56 | ddabs034 abs '+0.001' -> '0.001' |
| 57 | ddabs035 abs '-0.001' -> '0.001' |
| 58 | ddabs036 abs '+0.000001' -> '0.000001' |
| 59 | ddabs037 abs '-0.000001' -> '0.000001' |
| 60 | ddabs038 abs '+0.000000000001' -> '1E-12' |
| 61 | ddabs039 abs '-0.000000000001' -> '1E-12' |
| 62 | |
| 63 | -- examples from decArith |
| 64 | ddabs040 abs '2.1' -> '2.1' |
| 65 | ddabs041 abs '-100' -> '100' |
| 66 | ddabs042 abs '101.5' -> '101.5' |
| 67 | ddabs043 abs '-101.5' -> '101.5' |
| 68 | |
| 69 | -- more fixed, potential LHS swaps/overlays if done by subtract 0 |
| 70 | ddabs060 abs '-56267E-10' -> '0.0000056267' |
| 71 | ddabs061 abs '-56267E-5' -> '0.56267' |
| 72 | ddabs062 abs '-56267E-2' -> '562.67' |
| 73 | ddabs063 abs '-56267E-1' -> '5626.7' |
| 74 | ddabs065 abs '-56267E-0' -> '56267' |
| 75 | |
| 76 | -- subnormals and underflow |
| 77 | |
| 78 | -- long operand tests |
| 79 | ddabs321 abs 1234567890123456 -> 1234567890123456 |
| 80 | ddabs322 abs 12345678000 -> 12345678000 |
| 81 | ddabs323 abs 1234567800 -> 1234567800 |
| 82 | ddabs324 abs 1234567890 -> 1234567890 |
| 83 | ddabs325 abs 1234567891 -> 1234567891 |
| 84 | ddabs326 abs 12345678901 -> 12345678901 |
| 85 | ddabs327 abs 1234567896 -> 1234567896 |
| 86 | |
| 87 | -- zeros |
| 88 | ddabs111 abs 0 -> 0 |
| 89 | ddabs112 abs -0 -> 0 |
| 90 | ddabs113 abs 0E+6 -> 0E+6 |
| 91 | ddabs114 abs -0E+6 -> 0E+6 |
| 92 | ddabs115 abs 0.0000 -> 0.0000 |
| 93 | ddabs116 abs -0.0000 -> 0.0000 |
| 94 | ddabs117 abs 0E-141 -> 0E-141 |
| 95 | ddabs118 abs -0E-141 -> 0E-141 |
| 96 | |
| 97 | -- full coefficients, alternating bits |
| 98 | ddabs121 abs 2682682682682682 -> 2682682682682682 |
| 99 | ddabs122 abs -2682682682682682 -> 2682682682682682 |
| 100 | ddabs123 abs 1341341341341341 -> 1341341341341341 |
| 101 | ddabs124 abs -1341341341341341 -> 1341341341341341 |
| 102 | |
| 103 | -- Nmax, Nmin, Ntiny |
| 104 | ddabs131 abs 9.999999999999999E+384 -> 9.999999999999999E+384 |
| 105 | ddabs132 abs 1E-383 -> 1E-383 |
| 106 | ddabs133 abs 1.000000000000000E-383 -> 1.000000000000000E-383 |
| 107 | ddabs134 abs 1E-398 -> 1E-398 Subnormal |
| 108 | |
| 109 | ddabs135 abs -1E-398 -> 1E-398 Subnormal |
| 110 | ddabs136 abs -1.000000000000000E-383 -> 1.000000000000000E-383 |
| 111 | ddabs137 abs -1E-383 -> 1E-383 |
| 112 | ddabs138 abs -9.999999999999999E+384 -> 9.999999999999999E+384 |
| 113 | |
| 114 | -- specials |
| 115 | ddabs520 abs 'Inf' -> 'Infinity' |
| 116 | ddabs521 abs '-Inf' -> 'Infinity' |
| 117 | ddabs522 abs NaN -> NaN |
| 118 | ddabs523 abs sNaN -> NaN Invalid_operation |
| 119 | ddabs524 abs NaN22 -> NaN22 |
| 120 | ddabs525 abs sNaN33 -> NaN33 Invalid_operation |
| 121 | ddabs526 abs -NaN22 -> -NaN22 |
| 122 | ddabs527 abs -sNaN33 -> -NaN33 Invalid_operation |
| 123 | |
| 124 | -- Null tests |
| 125 | ddabs900 abs # -> NaN Invalid_operation |
| 126 | |