Mercurial > cpython-lru_cache-weakref

annotate Lib/test/decimaltestdata/ddMax.decTest @ 54294:dba767bc3155 legacy-trunk

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remove mention of old ctypes version
author Benjamin Peterson <benjamin@python.org>
date Sat, 23 May 2009 20:59:09 +0000
parents b3901c5660f7
children 670caa9775f6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 ------------------------------------------------------------------------
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2 -- ddMax.decTest -- decDouble maxnum --
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3 -- Copyright (c) IBM Corporation, 1981, 2008. All rights reserved. --
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4 ------------------------------------------------------------------------
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5 -- Please see the document "General Decimal Arithmetic Testcases" --
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6 -- at http://www2.hursley.ibm.com/decimal for the description of --
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7 -- these testcases. --
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8 -- --
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9 -- These testcases are experimental ('beta' versions), and they --
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10 -- may contain errors. They are offered on an as-is basis. In --
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11 -- particular, achieving the same results as the tests here is not --
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12 -- a guarantee that an implementation complies with any Standard --
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13 -- or specification. The tests are not exhaustive. --
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14 -- --
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15 -- Please send comments, suggestions, and corrections to the author: --
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16 -- Mike Cowlishaw, IBM Fellow --
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17 -- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK --
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18 -- mfc@uk.ibm.com --
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19 ------------------------------------------------------------------------
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20 version: 2.58
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21
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22 -- we assume that base comparison is tested in compare.decTest, so
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23 -- these mainly cover special cases and rounding
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24 precision: 16
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25 maxExponent: 384
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26 minExponent: -383
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27 extended: 1
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28 clamp: 1
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29 rounding: half_even
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30
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31 -- sanity checks
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32 ddmax001 max -2 -2 -> -2
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33 ddmax002 max -2 -1 -> -1
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34 ddmax003 max -2 0 -> 0
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35 ddmax004 max -2 1 -> 1
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36 ddmax005 max -2 2 -> 2
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37 ddmax006 max -1 -2 -> -1
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38 ddmax007 max -1 -1 -> -1
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39 ddmax008 max -1 0 -> 0
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42 ddmax011 max 0 -2 -> 0
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43 ddmax012 max 0 -1 -> 0
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44 ddmax013 max 0 0 -> 0
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45 ddmax014 max 0 1 -> 1
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46 ddmax015 max 0 2 -> 2
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47 ddmax016 max 1 -2 -> 1
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48 ddmax017 max 1 -1 -> 1
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49 ddmax018 max 1 0 -> 1
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50 ddmax019 max 1 1 -> 1
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51 ddmax020 max 1 2 -> 2
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52 ddmax021 max 2 -2 -> 2
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53 ddmax022 max 2 -1 -> 2
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54 ddmax023 max 2 0 -> 2
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57
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58 -- extended zeros
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59 ddmax030 max 0 0 -> 0
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60 ddmax031 max 0 -0 -> 0
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61 ddmax032 max 0 -0.0 -> 0
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62 ddmax033 max 0 0.0 -> 0
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63 ddmax034 max -0 0 -> 0 -- note: -0 = 0, but 0 chosen
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64 ddmax035 max -0 -0 -> -0
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65 ddmax036 max -0 -0.0 -> -0.0
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66 ddmax037 max -0 0.0 -> 0.0
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67 ddmax038 max 0.0 0 -> 0
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68 ddmax039 max 0.0 -0 -> 0.0
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72 ddmax043 max -0.0 -0 -> -0.0
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73 ddmax044 max -0.0 -0.0 -> -0.0
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76 ddmax050 max -0E1 0E1 -> 0E+1
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77 ddmax051 max -0E2 0E2 -> 0E+2
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80 ddmax054 max 0E1 -0E1 -> 0E+1
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81 ddmax055 max 0E2 -0E2 -> 0E+2
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82 ddmax056 max 0E2 -0E1 -> 0E+2
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83 ddmax057 max 0E1 -0E2 -> 0E+1
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85 ddmax058 max 0E1 0E1 -> 0E+1
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86 ddmax059 max 0E2 0E2 -> 0E+2
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87 ddmax060 max 0E2 0E1 -> 0E+2
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88 ddmax061 max 0E1 0E2 -> 0E+2
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90 ddmax063 max -0E2 -0E2 -> -0E+2
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93
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94 -- Specials
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95 ddmax090 max Inf -Inf -> Infinity
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96 ddmax091 max Inf -1000 -> Infinity
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97 ddmax092 max Inf -1 -> Infinity
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98 ddmax093 max Inf -0 -> Infinity
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99 ddmax094 max Inf 0 -> Infinity
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100 ddmax095 max Inf 1 -> Infinity
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101 ddmax096 max Inf 1000 -> Infinity
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102 ddmax097 max Inf Inf -> Infinity
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103 ddmax098 max -1000 Inf -> Infinity
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104 ddmax099 max -Inf Inf -> Infinity
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105 ddmax100 max -1 Inf -> Infinity
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108 ddmax103 max 1 Inf -> Infinity
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111
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112 ddmax120 max -Inf -Inf -> -Infinity
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168 -- propagating NaNs
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192 -- old rounding checks
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212 -- from examples
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219 -- expanded list from min/max 754r purple prose
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220 -- [explicit tests for exponent ordering]
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227 ddmax407 max 0.10 0 -> 0.10
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228 ddmax408 max 0 0.0 -> 0
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229 ddmax409 max 0.0 -0 -> 0.0
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230 ddmax410 max 0.0 -0.0 -> 0.0
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231 ddmax411 max 0.00 -0.0 -> 0.00
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232 ddmax412 max 0.0 -0.00 -> 0.0
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233 ddmax413 max 0 -0.0 -> 0
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234 ddmax414 max 0 -0 -> 0
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235 ddmax415 max -0.0 -0 -> -0.0
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236 ddmax416 max -0 -0.100 -> -0
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237 ddmax417 max -0.100 -0.10 -> -0.100
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238 ddmax418 max -0.10 -0.1 -> -0.10
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239 ddmax419 max -0.1 -1.0 -> -0.1
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240 ddmax420 max -1.0 -1 -> -1.0
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241 ddmax421 max -1 -1.1 -> -1
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242 ddmax423 max -1.1 -Inf -> -1.1
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243 -- same with operands reversed
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244 ddmax431 max 1.1 Inf -> Infinity
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245 ddmax432 max 1 1.1 -> 1.1
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246 ddmax433 max 1.0 1 -> 1
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247 ddmax434 max 0.1 1.0 -> 1.0
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248 ddmax435 max 0.10 0.1 -> 0.1
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249 ddmax436 max 0.100 0.10 -> 0.10
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250 ddmax437 max 0 0.10 -> 0.10
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251 ddmax438 max 0.0 0 -> 0
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252 ddmax439 max -0 0.0 -> 0.0
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253 ddmax440 max -0.0 0.0 -> 0.0
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254 ddmax441 max -0.0 0.00 -> 0.00
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255 ddmax442 max -0.00 0.0 -> 0.0
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256 ddmax443 max -0.0 0 -> 0
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257 ddmax444 max -0 0 -> 0
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258 ddmax445 max -0 -0.0 -> -0.0
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259 ddmax446 max -0.100 -0 -> -0
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260 ddmax447 max -0.10 -0.100 -> -0.100
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261 ddmax448 max -0.1 -0.10 -> -0.10
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262 ddmax449 max -1.0 -0.1 -> -0.1
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263 ddmax450 max -1 -1.0 -> -1.0
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264 ddmax451 max -1.1 -1 -> -1
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265 ddmax453 max -Inf -1.1 -> -1.1
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266 -- largies
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267 ddmax460 max 1000 1E+3 -> 1E+3
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268 ddmax461 max 1E+3 1000 -> 1E+3
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269 ddmax462 max 1000 -1E+3 -> 1000
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270 ddmax463 max 1E+3 -1000 -> 1E+3
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271 ddmax464 max -1000 1E+3 -> 1E+3
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272 ddmax465 max -1E+3 1000 -> 1000
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273 ddmax466 max -1000 -1E+3 -> -1000
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274 ddmax467 max -1E+3 -1000 -> -1000
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275
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276 -- misalignment traps for little-endian
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277 ddmax471 max 1.0 0.1 -> 1.0
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278 ddmax472 max 0.1 1.0 -> 1.0
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279 ddmax473 max 10.0 0.1 -> 10.0
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280 ddmax474 max 0.1 10.0 -> 10.0
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281 ddmax475 max 100 1.0 -> 100
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282 ddmax476 max 1.0 100 -> 100
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283 ddmax477 max 1000 10.0 -> 1000
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284 ddmax478 max 10.0 1000 -> 1000
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285 ddmax479 max 10000 100.0 -> 10000
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286 ddmax480 max 100.0 10000 -> 10000
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287 ddmax481 max 100000 1000.0 -> 100000
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288 ddmax482 max 1000.0 100000 -> 100000
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289 ddmax483 max 1000000 10000.0 -> 1000000
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290 ddmax484 max 10000.0 1000000 -> 1000000
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291
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292 -- subnormals
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293 ddmax510 max 1.00E-383 0 -> 1.00E-383
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294 ddmax511 max 0.1E-383 0 -> 1E-384 Subnormal
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295 ddmax512 max 0.10E-383 0 -> 1.0E-384 Subnormal
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296 ddmax513 max 0.100E-383 0 -> 1.00E-384 Subnormal
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297 ddmax514 max 0.01E-383 0 -> 1E-385 Subnormal
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298 ddmax515 max 0.999E-383 0 -> 9.99E-384 Subnormal
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299 ddmax516 max 0.099E-383 0 -> 9.9E-385 Subnormal
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300 ddmax517 max 0.009E-383 0 -> 9E-386 Subnormal
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301 ddmax518 max 0.001E-383 0 -> 1E-386 Subnormal
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302 ddmax519 max 0.0009E-383 0 -> 9E-387 Subnormal
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303 ddmax520 max 0.0001E-383 0 -> 1E-387 Subnormal
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304
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305 ddmax530 max -1.00E-383 0 -> 0
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306 ddmax531 max -0.1E-383 0 -> 0
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307 ddmax532 max -0.10E-383 0 -> 0
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308 ddmax533 max -0.100E-383 0 -> 0
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309 ddmax534 max -0.01E-383 0 -> 0
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310 ddmax535 max -0.999E-383 0 -> 0
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311 ddmax536 max -0.099E-383 0 -> 0
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312 ddmax537 max -0.009E-383 0 -> 0
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313 ddmax538 max -0.001E-383 0 -> 0
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314 ddmax539 max -0.0009E-383 0 -> 0
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315 ddmax540 max -0.0001E-383 0 -> 0
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316
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317 -- Null tests
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318 ddmax900 max 10 # -> NaN Invalid_operation
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319 ddmax901 max # 10 -> NaN Invalid_operation
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320
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