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- ------------------------------------------------------------------------
- -- 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
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