| ------------------------------------------------------------------------ |
| -- ddMax.decTest -- decDouble maxnum -- |
| -- Copyright (c) IBM Corporation, 1981, 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 |
| |
| -- we assume that base comparison is tested in compare.decTest, so |
| -- these mainly cover special cases and rounding |
| precision: 16 |
| maxExponent: 384 |
| minExponent: -383 |
| extended: 1 |
| clamp: 1 |
| rounding: half_even |
| |
| -- sanity checks |
| ddmax001 max -2 -2 -> -2 |
| ddmax002 max -2 -1 -> -1 |
| ddmax003 max -2 0 -> 0 |
| ddmax004 max -2 1 -> 1 |
| ddmax005 max -2 2 -> 2 |
| ddmax006 max -1 -2 -> -1 |
| ddmax007 max -1 -1 -> -1 |
| ddmax008 max -1 0 -> 0 |
| ddmax009 max -1 1 -> 1 |
| ddmax010 max -1 2 -> 2 |
| ddmax011 max 0 -2 -> 0 |
| ddmax012 max 0 -1 -> 0 |
| ddmax013 max 0 0 -> 0 |
| ddmax014 max 0 1 -> 1 |
| ddmax015 max 0 2 -> 2 |
| ddmax016 max 1 -2 -> 1 |
| ddmax017 max 1 -1 -> 1 |
| ddmax018 max 1 0 -> 1 |
| ddmax019 max 1 1 -> 1 |
| ddmax020 max 1 2 -> 2 |
| ddmax021 max 2 -2 -> 2 |
| ddmax022 max 2 -1 -> 2 |
| ddmax023 max 2 0 -> 2 |
| ddmax025 max 2 1 -> 2 |
| ddmax026 max 2 2 -> 2 |
| |
| -- extended zeros |
| ddmax030 max 0 0 -> 0 |
| ddmax031 max 0 -0 -> 0 |
| ddmax032 max 0 -0.0 -> 0 |
| ddmax033 max 0 0.0 -> 0 |
| ddmax034 max -0 0 -> 0 -- note: -0 = 0, but 0 chosen |
| ddmax035 max -0 -0 -> -0 |
| ddmax036 max -0 -0.0 -> -0.0 |
| ddmax037 max -0 0.0 -> 0.0 |
| ddmax038 max 0.0 0 -> 0 |
| ddmax039 max 0.0 -0 -> 0.0 |
| ddmax040 max 0.0 -0.0 -> 0.0 |
| ddmax041 max 0.0 0.0 -> 0.0 |
| ddmax042 max -0.0 0 -> 0 |
| ddmax043 max -0.0 -0 -> -0.0 |
| ddmax044 max -0.0 -0.0 -> -0.0 |
| ddmax045 max -0.0 0.0 -> 0.0 |
| |
| ddmax050 max -0E1 0E1 -> 0E+1 |
| ddmax051 max -0E2 0E2 -> 0E+2 |
| ddmax052 max -0E2 0E1 -> 0E+1 |
| ddmax053 max -0E1 0E2 -> 0E+2 |
| ddmax054 max 0E1 -0E1 -> 0E+1 |
| ddmax055 max 0E2 -0E2 -> 0E+2 |
| ddmax056 max 0E2 -0E1 -> 0E+2 |
| ddmax057 max 0E1 -0E2 -> 0E+1 |
| |
| ddmax058 max 0E1 0E1 -> 0E+1 |
| ddmax059 max 0E2 0E2 -> 0E+2 |
| ddmax060 max 0E2 0E1 -> 0E+2 |
| ddmax061 max 0E1 0E2 -> 0E+2 |
| ddmax062 max -0E1 -0E1 -> -0E+1 |
| ddmax063 max -0E2 -0E2 -> -0E+2 |
| ddmax064 max -0E2 -0E1 -> -0E+1 |
| ddmax065 max -0E1 -0E2 -> -0E+1 |
| |
| -- Specials |
| ddmax090 max Inf -Inf -> Infinity |
| ddmax091 max Inf -1000 -> Infinity |
| ddmax092 max Inf -1 -> Infinity |
| ddmax093 max Inf -0 -> Infinity |
| ddmax094 max Inf 0 -> Infinity |
| ddmax095 max Inf 1 -> Infinity |
| ddmax096 max Inf 1000 -> Infinity |
| ddmax097 max Inf Inf -> Infinity |
| ddmax098 max -1000 Inf -> Infinity |
| ddmax099 max -Inf Inf -> Infinity |
| ddmax100 max -1 Inf -> Infinity |
| ddmax101 max -0 Inf -> Infinity |
| ddmax102 max 0 Inf -> Infinity |
| ddmax103 max 1 Inf -> Infinity |
| ddmax104 max 1000 Inf -> Infinity |
| ddmax105 max Inf Inf -> Infinity |
| |
| ddmax120 max -Inf -Inf -> -Infinity |
| ddmax121 max -Inf -1000 -> -1000 |
| ddmax122 max -Inf -1 -> -1 |
| ddmax123 max -Inf -0 -> -0 |
| ddmax124 max -Inf 0 -> 0 |
| ddmax125 max -Inf 1 -> 1 |
| ddmax126 max -Inf 1000 -> 1000 |
| ddmax127 max -Inf Inf -> Infinity |
| ddmax128 max -Inf -Inf -> -Infinity |
| ddmax129 max -1000 -Inf -> -1000 |
| ddmax130 max -1 -Inf -> -1 |
| ddmax131 max -0 -Inf -> -0 |
| ddmax132 max 0 -Inf -> 0 |
| ddmax133 max 1 -Inf -> 1 |
| ddmax134 max 1000 -Inf -> 1000 |
| ddmax135 max Inf -Inf -> Infinity |
| |
| -- 2004.08.02 754r chooses number over NaN in mixed cases |
| ddmax141 max NaN -Inf -> -Infinity |
| ddmax142 max NaN -1000 -> -1000 |
| ddmax143 max NaN -1 -> -1 |
| ddmax144 max NaN -0 -> -0 |
| ddmax145 max NaN 0 -> 0 |
| ddmax146 max NaN 1 -> 1 |
| ddmax147 max NaN 1000 -> 1000 |
| ddmax148 max NaN Inf -> Infinity |
| ddmax149 max NaN NaN -> NaN |
| ddmax150 max -Inf NaN -> -Infinity |
| ddmax151 max -1000 NaN -> -1000 |
| ddmax152 max -1 NaN -> -1 |
| ddmax153 max -0 NaN -> -0 |
| ddmax154 max 0 NaN -> 0 |
| ddmax155 max 1 NaN -> 1 |
| ddmax156 max 1000 NaN -> 1000 |
| ddmax157 max Inf NaN -> Infinity |
| |
| ddmax161 max sNaN -Inf -> NaN Invalid_operation |
| ddmax162 max sNaN -1000 -> NaN Invalid_operation |
| ddmax163 max sNaN -1 -> NaN Invalid_operation |
| ddmax164 max sNaN -0 -> NaN Invalid_operation |
| ddmax165 max sNaN 0 -> NaN Invalid_operation |
| ddmax166 max sNaN 1 -> NaN Invalid_operation |
| ddmax167 max sNaN 1000 -> NaN Invalid_operation |
| ddmax168 max sNaN NaN -> NaN Invalid_operation |
| ddmax169 max sNaN sNaN -> NaN Invalid_operation |
| ddmax170 max NaN sNaN -> NaN Invalid_operation |
| ddmax171 max -Inf sNaN -> NaN Invalid_operation |
| ddmax172 max -1000 sNaN -> NaN Invalid_operation |
| ddmax173 max -1 sNaN -> NaN Invalid_operation |
| ddmax174 max -0 sNaN -> NaN Invalid_operation |
| ddmax175 max 0 sNaN -> NaN Invalid_operation |
| ddmax176 max 1 sNaN -> NaN Invalid_operation |
| ddmax177 max 1000 sNaN -> NaN Invalid_operation |
| ddmax178 max Inf sNaN -> NaN Invalid_operation |
| ddmax179 max NaN sNaN -> NaN Invalid_operation |
| |
| -- propagating NaNs |
| ddmax181 max NaN9 -Inf -> -Infinity |
| ddmax182 max NaN8 9 -> 9 |
| ddmax183 max -NaN7 Inf -> Infinity |
| |
| ddmax184 max -NaN1 NaN11 -> -NaN1 |
| ddmax185 max NaN2 NaN12 -> NaN2 |
| ddmax186 max -NaN13 -NaN7 -> -NaN13 |
| ddmax187 max NaN14 -NaN5 -> NaN14 |
| |
| ddmax188 max -Inf NaN4 -> -Infinity |
| ddmax189 max -9 -NaN3 -> -9 |
| ddmax190 max Inf NaN2 -> Infinity |
| |
| ddmax191 max sNaN99 -Inf -> NaN99 Invalid_operation |
| ddmax192 max sNaN98 -1 -> NaN98 Invalid_operation |
| ddmax193 max -sNaN97 NaN -> -NaN97 Invalid_operation |
| ddmax194 max sNaN96 sNaN94 -> NaN96 Invalid_operation |
| ddmax195 max NaN95 sNaN93 -> NaN93 Invalid_operation |
| ddmax196 max -Inf sNaN92 -> NaN92 Invalid_operation |
| ddmax197 max 0 sNaN91 -> NaN91 Invalid_operation |
| ddmax198 max Inf -sNaN90 -> -NaN90 Invalid_operation |
| ddmax199 max NaN sNaN89 -> NaN89 Invalid_operation |
| |
| -- old rounding checks |
| ddmax221 max 12345678000 1 -> 12345678000 |
| ddmax222 max 1 12345678000 -> 12345678000 |
| ddmax223 max 1234567800 1 -> 1234567800 |
| ddmax224 max 1 1234567800 -> 1234567800 |
| ddmax225 max 1234567890 1 -> 1234567890 |
| ddmax226 max 1 1234567890 -> 1234567890 |
| ddmax227 max 1234567891 1 -> 1234567891 |
| ddmax228 max 1 1234567891 -> 1234567891 |
| ddmax229 max 12345678901 1 -> 12345678901 |
| ddmax230 max 1 12345678901 -> 12345678901 |
| ddmax231 max 1234567896 1 -> 1234567896 |
| ddmax232 max 1 1234567896 -> 1234567896 |
| ddmax233 max -1234567891 1 -> 1 |
| ddmax234 max 1 -1234567891 -> 1 |
| ddmax235 max -12345678901 1 -> 1 |
| ddmax236 max 1 -12345678901 -> 1 |
| ddmax237 max -1234567896 1 -> 1 |
| ddmax238 max 1 -1234567896 -> 1 |
| |
| -- from examples |
| ddmax280 max '3' '2' -> '3' |
| ddmax281 max '-10' '3' -> '3' |
| ddmax282 max '1.0' '1' -> '1' |
| ddmax283 max '1' '1.0' -> '1' |
| ddmax284 max '7' 'NaN' -> '7' |
| |
| -- expanded list from min/max 754r purple prose |
| -- [explicit tests for exponent ordering] |
| ddmax401 max Inf 1.1 -> Infinity |
| ddmax402 max 1.1 1 -> 1.1 |
| ddmax403 max 1 1.0 -> 1 |
| ddmax404 max 1.0 0.1 -> 1.0 |
| ddmax405 max 0.1 0.10 -> 0.1 |
| ddmax406 max 0.10 0.100 -> 0.10 |
| ddmax407 max 0.10 0 -> 0.10 |
| ddmax408 max 0 0.0 -> 0 |
| ddmax409 max 0.0 -0 -> 0.0 |
| ddmax410 max 0.0 -0.0 -> 0.0 |
| ddmax411 max 0.00 -0.0 -> 0.00 |
| ddmax412 max 0.0 -0.00 -> 0.0 |
| ddmax413 max 0 -0.0 -> 0 |
| ddmax414 max 0 -0 -> 0 |
| ddmax415 max -0.0 -0 -> -0.0 |
| ddmax416 max -0 -0.100 -> -0 |
| ddmax417 max -0.100 -0.10 -> -0.100 |
| ddmax418 max -0.10 -0.1 -> -0.10 |
| ddmax419 max -0.1 -1.0 -> -0.1 |
| ddmax420 max -1.0 -1 -> -1.0 |
| ddmax421 max -1 -1.1 -> -1 |
| ddmax423 max -1.1 -Inf -> -1.1 |
| -- same with operands reversed |
| ddmax431 max 1.1 Inf -> Infinity |
| ddmax432 max 1 1.1 -> 1.1 |
| ddmax433 max 1.0 1 -> 1 |
| ddmax434 max 0.1 1.0 -> 1.0 |
| ddmax435 max 0.10 0.1 -> 0.1 |
| ddmax436 max 0.100 0.10 -> 0.10 |
| ddmax437 max 0 0.10 -> 0.10 |
| ddmax438 max 0.0 0 -> 0 |
| ddmax439 max -0 0.0 -> 0.0 |
| ddmax440 max -0.0 0.0 -> 0.0 |
| ddmax441 max -0.0 0.00 -> 0.00 |
| ddmax442 max -0.00 0.0 -> 0.0 |
| ddmax443 max -0.0 0 -> 0 |
| ddmax444 max -0 0 -> 0 |
| ddmax445 max -0 -0.0 -> -0.0 |
| ddmax446 max -0.100 -0 -> -0 |
| ddmax447 max -0.10 -0.100 -> -0.100 |
| ddmax448 max -0.1 -0.10 -> -0.10 |
| ddmax449 max -1.0 -0.1 -> -0.1 |
| ddmax450 max -1 -1.0 -> -1.0 |
| ddmax451 max -1.1 -1 -> -1 |
| ddmax453 max -Inf -1.1 -> -1.1 |
| -- largies |
| ddmax460 max 1000 1E+3 -> 1E+3 |
| ddmax461 max 1E+3 1000 -> 1E+3 |
| ddmax462 max 1000 -1E+3 -> 1000 |
| ddmax463 max 1E+3 -1000 -> 1E+3 |
| ddmax464 max -1000 1E+3 -> 1E+3 |
| ddmax465 max -1E+3 1000 -> 1000 |
| ddmax466 max -1000 -1E+3 -> -1000 |
| ddmax467 max -1E+3 -1000 -> -1000 |
| |
| -- misalignment traps for little-endian |
| ddmax471 max 1.0 0.1 -> 1.0 |
| ddmax472 max 0.1 1.0 -> 1.0 |
| ddmax473 max 10.0 0.1 -> 10.0 |
| ddmax474 max 0.1 10.0 -> 10.0 |
| ddmax475 max 100 1.0 -> 100 |
| ddmax476 max 1.0 100 -> 100 |
| ddmax477 max 1000 10.0 -> 1000 |
| ddmax478 max 10.0 1000 -> 1000 |
| ddmax479 max 10000 100.0 -> 10000 |
| ddmax480 max 100.0 10000 -> 10000 |
| ddmax481 max 100000 1000.0 -> 100000 |
| ddmax482 max 1000.0 100000 -> 100000 |
| ddmax483 max 1000000 10000.0 -> 1000000 |
| ddmax484 max 10000.0 1000000 -> 1000000 |
| |
| -- subnormals |
| ddmax510 max 1.00E-383 0 -> 1.00E-383 |
| ddmax511 max 0.1E-383 0 -> 1E-384 Subnormal |
| ddmax512 max 0.10E-383 0 -> 1.0E-384 Subnormal |
| ddmax513 max 0.100E-383 0 -> 1.00E-384 Subnormal |
| ddmax514 max 0.01E-383 0 -> 1E-385 Subnormal |
| ddmax515 max 0.999E-383 0 -> 9.99E-384 Subnormal |
| ddmax516 max 0.099E-383 0 -> 9.9E-385 Subnormal |
| ddmax517 max 0.009E-383 0 -> 9E-386 Subnormal |
| ddmax518 max 0.001E-383 0 -> 1E-386 Subnormal |
| ddmax519 max 0.0009E-383 0 -> 9E-387 Subnormal |
| ddmax520 max 0.0001E-383 0 -> 1E-387 Subnormal |
| |
| ddmax530 max -1.00E-383 0 -> 0 |
| ddmax531 max -0.1E-383 0 -> 0 |
| ddmax532 max -0.10E-383 0 -> 0 |
| ddmax533 max -0.100E-383 0 -> 0 |
| ddmax534 max -0.01E-383 0 -> 0 |
| ddmax535 max -0.999E-383 0 -> 0 |
| ddmax536 max -0.099E-383 0 -> 0 |
| ddmax537 max -0.009E-383 0 -> 0 |
| ddmax538 max -0.001E-383 0 -> 0 |
| ddmax539 max -0.0009E-383 0 -> 0 |
| ddmax540 max -0.0001E-383 0 -> 0 |
| |
| -- Null tests |
| ddmax900 max 10 # -> NaN Invalid_operation |
| ddmax901 max # 10 -> NaN Invalid_operation |
| |
| |
| |