1------------------------------------------------------------------------ 2-- exp.decTest -- decimal natural exponentiation -- 3-- Copyright (c) IBM Corporation, 2005, 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------------------------------------------------------------------------ 20version: 2.59 21 22-- Tests of the exponential function. Currently all testcases here 23-- show results which are correctly rounded (within <= 0.5 ulp). 24 25extended: 1 26precision: 9 27rounding: half_even 28maxExponent: 384 29minexponent: -383 30 31-- basics (examples in specificiation, etc.) 32expx001 exp -Infinity -> 0 33expx002 exp -10 -> 0.0000453999298 Inexact Rounded 34expx003 exp -1 -> 0.367879441 Inexact Rounded 35expx004 exp 0 -> 1 36expx005 exp -0 -> 1 37expx006 exp 1 -> 2.71828183 Inexact Rounded 38expx007 exp 0.693147181 -> 2.00000000 Inexact Rounded 39expx008 exp 10 -> 22026.4658 Inexact Rounded 40expx009 exp +Infinity -> Infinity 41 42-- tiny edge cases 43precision: 7 44expx011 exp 0.1 -> 1.105171 Inexact Rounded 45expx012 exp 0.01 -> 1.010050 Inexact Rounded 46expx013 exp 0.001 -> 1.001001 Inexact Rounded 47expx014 exp 0.0001 -> 1.000100 Inexact Rounded 48expx015 exp 0.00001 -> 1.000010 Inexact Rounded 49expx016 exp 0.000001 -> 1.000001 Inexact Rounded 50expx017 exp 0.0000001 -> 1.000000 Inexact Rounded 51expx018 exp 0.0000003 -> 1.000000 Inexact Rounded 52expx019 exp 0.0000004 -> 1.000000 Inexact Rounded 53expx020 exp 0.0000005 -> 1.000001 Inexact Rounded 54expx021 exp 0.0000008 -> 1.000001 Inexact Rounded 55expx022 exp 0.0000009 -> 1.000001 Inexact Rounded 56expx023 exp 0.0000010 -> 1.000001 Inexact Rounded 57expx024 exp 0.0000011 -> 1.000001 Inexact Rounded 58expx025 exp 0.00000009 -> 1.000000 Inexact Rounded 59expx026 exp 0.00000005 -> 1.000000 Inexact Rounded 60expx027 exp 0.00000004 -> 1.000000 Inexact Rounded 61expx028 exp 0.00000001 -> 1.000000 Inexact Rounded 62 63-- and some more zeros 64expx030 exp 0.00000000 -> 1 65expx031 exp 0E+100 -> 1 66expx032 exp 0E-100 -> 1 67expx033 exp -0.00000000 -> 1 68expx034 exp -0E+100 -> 1 69expx035 exp -0E-100 -> 1 70 71-- basic e=0, e=1, e=2, e=4, e>=8 cases 72precision: 7 73expx041 exp 1 -> 2.718282 Inexact Rounded 74expx042 exp -1 -> 0.3678794 Inexact Rounded 75expx043 exp 10 -> 22026.47 Inexact Rounded 76expx044 exp -10 -> 0.00004539993 Inexact Rounded 77expx045 exp 100 -> 2.688117E+43 Inexact Rounded 78expx046 exp -100 -> 3.720076E-44 Inexact Rounded 79expx047 exp 1000 -> Infinity Overflow Inexact Rounded 80expx048 exp -1000 -> 0E-389 Underflow Inexact Rounded Clamped Subnormal 81expx049 exp 100000000 -> Infinity Overflow Inexact Rounded 82expx050 exp -100000000 -> 0E-389 Underflow Inexact Rounded Clamped Subnormal 83 84-- miscellanea 85-- similar to 'VF bug' test, at 17, but with last digit corrected for decimal 86precision: 16 87expx055 exp -5.42410311287441459172E+2 -> 2.717658486884572E-236 Inexact Rounded 88-- result from NetRexx/Java prototype -> 2.7176584868845721117677929628617246054459644711108E-236 89-- result from Rexx (series) version -> 2.717658486884572111767792962861724605446E-236 90precision: 17 91expx056 exp -5.42410311287441459172E+2 -> 2.7176584868845721E-236 Inexact Rounded 92precision: 18 93expx057 exp -5.42410311287441459172E+2 -> 2.71765848688457211E-236 Inexact Rounded 94precision: 19 95expx058 exp -5.42410311287441459172E+2 -> 2.717658486884572112E-236 Inexact Rounded 96precision: 20 97expx059 exp -5.42410311287441459172E+2 -> 2.7176584868845721118E-236 Inexact Rounded 98 99-- rounding in areas of ..500.., ..499.., ..100.., ..999.. sequences 100precision: 50 101expx101 exp -9E-8 -> 0.99999991000000404999987850000273374995079250073811 Inexact Rounded 102precision: 31 103expx102 exp -9E-8 -> 0.9999999100000040499998785000027 Inexact Rounded 104precision: 30 105expx103 exp -9E-8 -> 0.999999910000004049999878500003 Inexact Rounded 106precision: 29 107expx104 exp -9E-8 -> 0.99999991000000404999987850000 Inexact Rounded 108precision: 28 109expx105 exp -9E-8 -> 0.9999999100000040499998785000 Inexact Rounded 110precision: 27 111expx106 exp -9E-8 -> 0.999999910000004049999878500 Inexact Rounded 112precision: 26 113expx107 exp -9E-8 -> 0.99999991000000404999987850 Inexact Rounded 114precision: 25 115expx108 exp -9E-8 -> 0.9999999100000040499998785 Inexact Rounded 116precision: 24 117expx109 exp -9E-8 -> 0.999999910000004049999879 Inexact Rounded 118precision: 23 119expx110 exp -9E-8 -> 0.99999991000000404999988 Inexact Rounded 120precision: 22 121expx111 exp -9E-8 -> 0.9999999100000040499999 Inexact Rounded 122precision: 21 123expx112 exp -9E-8 -> 0.999999910000004050000 Inexact Rounded 124precision: 20 125expx113 exp -9E-8 -> 0.99999991000000405000 Inexact Rounded 126precision: 19 127expx114 exp -9E-8 -> 0.9999999100000040500 Inexact Rounded 128precision: 18 129expx115 exp -9E-8 -> 0.999999910000004050 Inexact Rounded 130precision: 17 131expx116 exp -9E-8 -> 0.99999991000000405 Inexact Rounded 132precision: 16 133expx117 exp -9E-8 -> 0.9999999100000040 Inexact Rounded 134precision: 15 135expx118 exp -9E-8 -> 0.999999910000004 Inexact Rounded 136precision: 14 137expx119 exp -9E-8 -> 0.99999991000000 Inexact Rounded 138precision: 13 139expx120 exp -9E-8 -> 0.9999999100000 Inexact Rounded 140precision: 12 141expx121 exp -9E-8 -> 0.999999910000 Inexact Rounded 142precision: 11 143expx122 exp -9E-8 -> 0.99999991000 Inexact Rounded 144precision: 10 145expx123 exp -9E-8 -> 0.9999999100 Inexact Rounded 146precision: 9 147expx124 exp -9E-8 -> 0.999999910 Inexact Rounded 148precision: 8 149expx125 exp -9E-8 -> 0.99999991 Inexact Rounded 150precision: 7 151expx126 exp -9E-8 -> 0.9999999 Inexact Rounded 152precision: 6 153expx127 exp -9E-8 -> 1.00000 Inexact Rounded 154precision: 5 155expx128 exp -9E-8 -> 1.0000 Inexact Rounded 156precision: 4 157expx129 exp -9E-8 -> 1.000 Inexact Rounded 158precision: 3 159expx130 exp -9E-8 -> 1.00 Inexact Rounded 160precision: 2 161expx131 exp -9E-8 -> 1.0 Inexact Rounded 162precision: 1 163expx132 exp -9E-8 -> 1 Inexact Rounded 164 165 166-- sanity checks, with iteration counts [normalized so 0<=|x|<1] 167precision: 50 168 169expx210 exp 0 -> 1 170-- iterations: 2 171expx211 exp -1E-40 -> 0.99999999999999999999999999999999999999990000000000 Inexact Rounded 172-- iterations: 8 173expx212 exp -9E-7 -> 0.99999910000040499987850002733749507925073811240510 Inexact Rounded 174-- iterations: 6 175expx213 exp -9E-8 -> 0.99999991000000404999987850000273374995079250073811 Inexact Rounded 176-- iterations: 15 177expx214 exp -0.003 -> 0.99700449550337297601206623409756091074177480489845 Inexact Rounded 178-- iterations: 14 179expx215 exp -0.001 -> 0.99900049983337499166805535716765597470235590236008 Inexact Rounded 180-- iterations: 26 181expx216 exp -0.1 -> 0.90483741803595957316424905944643662119470536098040 Inexact Rounded 182-- iterations: 39 183expx217 exp -0.7 -> 0.49658530379140951470480009339752896170766716571182 Inexact Rounded 184-- iterations: 41 185expx218 exp -0.9 -> 0.40656965974059911188345423964562598783370337617038 Inexact Rounded 186-- iterations: 43 187expx219 exp -0.99 -> 0.37157669102204569053152411990820138691802885490501 Inexact Rounded 188-- iterations: 26 189expx220 exp -1 -> 0.36787944117144232159552377016146086744581113103177 Inexact Rounded 190-- iterations: 26 191expx221 exp -1.01 -> 0.36421897957152331975704629563734548959589139192482 Inexact Rounded 192-- iterations: 27 193expx222 exp -1.1 -> 0.33287108369807955328884690643131552161247952156921 Inexact Rounded 194-- iterations: 28 195expx223 exp -1.5 -> 0.22313016014842982893328047076401252134217162936108 Inexact Rounded 196-- iterations: 30 197expx224 exp -2 -> 0.13533528323661269189399949497248440340763154590958 Inexact Rounded 198-- iterations: 36 199expx225 exp -5 -> 0.0067379469990854670966360484231484242488495850273551 Inexact Rounded 200-- iterations: 26 201expx226 exp -10 -> 0.000045399929762484851535591515560550610237918088866565 Inexact Rounded 202-- iterations: 28 203expx227 exp -14 -> 8.3152871910356788406398514256526229460765836498457E-7 Inexact Rounded 204-- iterations: 29 205expx228 exp -15 -> 3.0590232050182578837147949770228963937082078081856E-7 Inexact Rounded 206-- iterations: 30 207expx233 exp 0 -> 1 208-- iterations: 2 209expx234 exp 1E-40 -> 1.0000000000000000000000000000000000000001000000000 Inexact Rounded 210-- iterations: 7 211expx235 exp 9E-7 -> 1.0000009000004050001215000273375049207507381125949 Inexact Rounded 212-- iterations: 6 213expx236 exp 9E-8 -> 1.0000000900000040500001215000027337500492075007381 Inexact Rounded 214-- iterations: 15 215expx237 exp 0.003 -> 1.0030045045033770260129340913489002053318727195619 Inexact Rounded 216-- iterations: 13 217expx238 exp 0.001 -> 1.0010005001667083416680557539930583115630762005807 Inexact Rounded 218-- iterations: 25 219expx239 exp 0.1 -> 1.1051709180756476248117078264902466682245471947375 Inexact Rounded 220-- iterations: 38 221expx240 exp 0.7 -> 2.0137527074704765216245493885830652700175423941459 Inexact Rounded 222-- iterations: 41 223expx241 exp 0.9 -> 2.4596031111569496638001265636024706954217723064401 Inexact Rounded 224-- iterations: 42 225expx242 exp 0.99 -> 2.6912344723492622890998794040710139721802931841030 Inexact Rounded 226-- iterations: 26 227expx243 exp 1 -> 2.7182818284590452353602874713526624977572470937000 Inexact Rounded 228-- iterations: 26 229expx244 exp 1.01 -> 2.7456010150169164939897763166603876240737508195960 Inexact Rounded 230-- iterations: 26 231expx245 exp 1.1 -> 3.0041660239464331120584079535886723932826810260163 Inexact Rounded 232-- iterations: 28 233expx246 exp 1.5 -> 4.4816890703380648226020554601192758190057498683697 Inexact Rounded 234-- iterations: 29 235expx247 exp 2 -> 7.3890560989306502272304274605750078131803155705518 Inexact Rounded 236-- iterations: 36 237expx248 exp 5 -> 148.41315910257660342111558004055227962348766759388 Inexact Rounded 238-- iterations: 26 239expx249 exp 10 -> 22026.465794806716516957900645284244366353512618557 Inexact Rounded 240-- iterations: 28 241expx250 exp 14 -> 1202604.2841647767777492367707678594494124865433761 Inexact Rounded 242-- iterations: 28 243expx251 exp 15 -> 3269017.3724721106393018550460917213155057385438200 Inexact Rounded 244-- iterations: 29 245 246-- a biggie [result verified 3 ways] 247precision: 250 248expx260 exp 1 -> 2.718281828459045235360287471352662497757247093699959574966967627724076630353547594571382178525166427427466391932003059921817413596629043572900334295260595630738132328627943490763233829880753195251019011573834187930702154089149934884167509244761460668 Inexact Rounded 249 250-- extreme range boundaries 251precision: 16 252maxExponent: 999999 253minExponent: -999999 254-- Ntiny boundary 255expx290 exp -2302618.022332529 -> 0E-1000014 Underflow Subnormal Inexact Rounded Clamped 256expx291 exp -2302618.022332528 -> 1E-1000014 Underflow Subnormal Inexact Rounded 257-- Nmax/10 and Nmax boundary 258expx292 exp 2302582.790408952 -> 9.999999993100277E+999998 Inexact Rounded 259expx293 exp 2302582.790408953 -> 1.000000000310028E+999999 Inexact Rounded 260expx294 exp 2302585.092993946 -> 9.999999003159870E+999999 Inexact Rounded 261expx295 exp 2302585.092994036 -> 9.999999903159821E+999999 Inexact Rounded 262expx296 exp 2302585.092994045 -> 9.999999993159820E+999999 Inexact Rounded 263expx297 exp 2302585.092994046 -> Infinity Overflow Inexact Rounded 264 265-- 0<-x<<1 effects 266precision: 30 267expx320 exp -4.9999999999999E-8 -> 0.999999950000001250000979166617 Inexact Rounded 268expx321 exp -5.0000000000000E-8 -> 0.999999950000001249999979166667 Inexact Rounded 269expx322 exp -5.0000000000001E-8 -> 0.999999950000001249998979166717 Inexact Rounded 270precision: 20 271expx323 exp -4.9999999999999E-8 -> 0.99999995000000125000 Inexact Rounded 272expx324 exp -5.0000000000000E-8 -> 0.99999995000000125000 Inexact Rounded 273expx325 exp -5.0000000000001E-8 -> 0.99999995000000125000 Inexact Rounded 274precision: 14 275expx326 exp -4.9999999999999E-8 -> 0.99999995000000 Inexact Rounded 276expx327 exp -5.0000000000000E-8 -> 0.99999995000000 Inexact Rounded 277expx328 exp -5.0000000000001E-8 -> 0.99999995000000 Inexact Rounded 278-- overprecise and 0<-x<<1 279precision: 8 280expx330 exp -4.9999999999999E-8 -> 0.99999995 Inexact Rounded 281expx331 exp -5.0000000000000E-8 -> 0.99999995 Inexact Rounded 282expx332 exp -5.0000000000001E-8 -> 0.99999995 Inexact Rounded 283precision: 7 284expx333 exp -4.9999999999999E-8 -> 1.000000 Inexact Rounded 285expx334 exp -5.0000000000000E-8 -> 1.000000 Inexact Rounded 286expx335 exp -5.0000000000001E-8 -> 1.000000 Inexact Rounded 287precision: 3 288expx336 exp -4.9999999999999E-8 -> 1.00 Inexact Rounded 289expx337 exp -5.0000000000000E-8 -> 1.00 Inexact Rounded 290expx338 exp -5.0000000000001E-8 -> 1.00 Inexact Rounded 291 292-- 0<x<<1 effects 293precision: 30 294expx340 exp 4.9999999999999E-8 -> 1.00000005000000124999902083328 Inexact Rounded 295expx341 exp 5.0000000000000E-8 -> 1.00000005000000125000002083333 Inexact Rounded 296expx342 exp 5.0000000000001E-8 -> 1.00000005000000125000102083338 Inexact Rounded 297precision: 20 298expx343 exp 4.9999999999999E-8 -> 1.0000000500000012500 Inexact Rounded 299expx344 exp 5.0000000000000E-8 -> 1.0000000500000012500 Inexact Rounded 300expx345 exp 5.0000000000001E-8 -> 1.0000000500000012500 Inexact Rounded 301precision: 14 302expx346 exp 4.9999999999999E-8 -> 1.0000000500000 Inexact Rounded 303expx347 exp 5.0000000000000E-8 -> 1.0000000500000 Inexact Rounded 304expx348 exp 5.0000000000001E-8 -> 1.0000000500000 Inexact Rounded 305-- overprecise and 0<x<<1 306precision: 8 307expx350 exp 4.9999999999999E-8 -> 1.0000001 Inexact Rounded 308expx351 exp 5.0000000000000E-8 -> 1.0000001 Inexact Rounded 309expx352 exp 5.0000000000001E-8 -> 1.0000001 Inexact Rounded 310precision: 7 311expx353 exp 4.9999999999999E-8 -> 1.000000 Inexact Rounded 312expx354 exp 5.0000000000000E-8 -> 1.000000 Inexact Rounded 313expx355 exp 5.0000000000001E-8 -> 1.000000 Inexact Rounded 314precision: 3 315expx356 exp 4.9999999999999E-8 -> 1.00 Inexact Rounded 316expx357 exp 5.0000000000000E-8 -> 1.00 Inexact Rounded 317expx358 exp 5.0000000000001E-8 -> 1.00 Inexact Rounded 318 319-- cases near 1 -- 1 2345678901234567890 320precision: 20 321expx401 exp 0.99999999999996 -> 2.7182818284589365041 Inexact Rounded 322expx402 exp 0.99999999999997 -> 2.7182818284589636869 Inexact Rounded 323expx403 exp 0.99999999999998 -> 2.7182818284589908697 Inexact Rounded 324expx404 exp 0.99999999999999 -> 2.7182818284590180525 Inexact Rounded 325expx405 exp 1.0000000000000 -> 2.7182818284590452354 Inexact Rounded 326expx406 exp 1.0000000000001 -> 2.7182818284593170635 Inexact Rounded 327expx407 exp 1.0000000000002 -> 2.7182818284595888917 Inexact Rounded 328precision: 14 329expx411 exp 0.99999999999996 -> 2.7182818284589 Inexact Rounded 330expx412 exp 0.99999999999997 -> 2.7182818284590 Inexact Rounded 331expx413 exp 0.99999999999998 -> 2.7182818284590 Inexact Rounded 332expx414 exp 0.99999999999999 -> 2.7182818284590 Inexact Rounded 333expx415 exp 1.0000000000000 -> 2.7182818284590 Inexact Rounded 334expx416 exp 1.0000000000001 -> 2.7182818284593 Inexact Rounded 335expx417 exp 1.0000000000002 -> 2.7182818284596 Inexact Rounded 336-- overprecise... 337precision: 7 338expx421 exp 0.99999999999996 -> 2.718282 Inexact Rounded 339expx422 exp 0.99999999999997 -> 2.718282 Inexact Rounded 340expx423 exp 0.99999999999998 -> 2.718282 Inexact Rounded 341expx424 exp 0.99999999999999 -> 2.718282 Inexact Rounded 342expx425 exp 1.0000000000001 -> 2.718282 Inexact Rounded 343expx426 exp 1.0000000000002 -> 2.718282 Inexact Rounded 344expx427 exp 1.0000000000003 -> 2.718282 Inexact Rounded 345precision: 2 346expx431 exp 0.99999999999996 -> 2.7 Inexact Rounded 347expx432 exp 0.99999999999997 -> 2.7 Inexact Rounded 348expx433 exp 0.99999999999998 -> 2.7 Inexact Rounded 349expx434 exp 0.99999999999999 -> 2.7 Inexact Rounded 350expx435 exp 1.0000000000001 -> 2.7 Inexact Rounded 351expx436 exp 1.0000000000002 -> 2.7 Inexact Rounded 352expx437 exp 1.0000000000003 -> 2.7 Inexact Rounded 353 354-- basics at low precisions 355precision: 3 356expx501 exp -Infinity -> 0 357expx502 exp -10 -> 0.0000454 Inexact Rounded 358expx503 exp -1 -> 0.368 Inexact Rounded 359expx504 exp 0 -> 1 360expx505 exp -0 -> 1 361expx506 exp 1 -> 2.72 Inexact Rounded 362expx507 exp 0.693147181 -> 2.00 Inexact Rounded 363expx508 exp 10 -> 2.20E+4 Inexact Rounded 364expx509 exp +Infinity -> Infinity 365precision: 2 366expx511 exp -Infinity -> 0 367expx512 exp -10 -> 0.000045 Inexact Rounded 368expx513 exp -1 -> 0.37 Inexact Rounded 369expx514 exp 0 -> 1 370expx515 exp -0 -> 1 371expx516 exp 1 -> 2.7 Inexact Rounded 372expx517 exp 0.693147181 -> 2.0 Inexact Rounded 373expx518 exp 10 -> 2.2E+4 Inexact Rounded 374expx519 exp +Infinity -> Infinity 375precision: 1 376expx521 exp -Infinity -> 0 377expx522 exp -10 -> 0.00005 Inexact Rounded 378expx523 exp -1 -> 0.4 Inexact Rounded 379expx524 exp 0 -> 1 380expx525 exp -0 -> 1 381expx526 exp 1 -> 3 Inexact Rounded 382expx527 exp 0.693147181 -> 2 Inexact Rounded 383expx528 exp 10 -> 2E+4 Inexact Rounded 384expx529 exp +Infinity -> Infinity 385 386-- overflows, including some overprecise borderlines 387precision: 7 388maxExponent: 384 389minExponent: -383 390expx701 exp 1000000000 -> Infinity Overflow Inexact Rounded 391expx702 exp 100000000 -> Infinity Overflow Inexact Rounded 392expx703 exp 10000000 -> Infinity Overflow Inexact Rounded 393expx704 exp 1000000 -> Infinity Overflow Inexact Rounded 394expx705 exp 100000 -> Infinity Overflow Inexact Rounded 395expx706 exp 10000 -> Infinity Overflow Inexact Rounded 396expx707 exp 1000 -> Infinity Overflow Inexact Rounded 397expx708 exp 886.4952608 -> Infinity Overflow Inexact Rounded 398expx709 exp 886.4952607 -> 9.999999E+384 Inexact Rounded 399expx710 exp 886.49527 -> Infinity Overflow Inexact Rounded 400expx711 exp 886.49526 -> 9.999992E+384 Inexact Rounded 401precision: 16 402expx721 exp 886.4952608027075883 -> Infinity Overflow Inexact Rounded 403expx722 exp 886.4952608027075882 -> 9.999999999999999E+384 Inexact Rounded 404expx723 exp 886.49526080270759 -> Infinity Overflow Inexact Rounded 405expx724 exp 886.49526080270758 -> 9.999999999999917E+384 Inexact Rounded 406expx725 exp 886.4952608027076 -> Infinity Overflow Inexact Rounded 407expx726 exp 886.4952608027075 -> 9.999999999999117E+384 Inexact Rounded 408-- and by special request ... 409precision: 15 410expx731 exp 886.495260802708 -> Infinity Overflow Inexact Rounded 411expx732 exp 886.495260802707 -> 9.99999999999412E+384 Inexact Rounded 412expx733 exp 886.495260802706 -> 9.99999999998412E+384 Inexact Rounded 413maxExponent: 999 414minExponent: -999 415expx735 exp 2302.58509299405 -> Infinity Overflow Inexact Rounded 416expx736 exp 2302.58509299404 -> 9.99999999994316E+999 Inexact Rounded 417expx737 exp 2302.58509299403 -> 9.99999999984316E+999 Inexact Rounded 418 419-- subnormals and underflows, including underflow-to-zero edge point 420precision: 7 421maxExponent: 384 422minExponent: -383 423expx751 exp -1000000000 -> 0E-389 Underflow Inexact Rounded Clamped Subnormal 424expx752 exp -100000000 -> 0E-389 Underflow Inexact Rounded Clamped Subnormal 425expx753 exp -10000000 -> 0E-389 Underflow Inexact Rounded Clamped Subnormal 426expx754 exp -1000000 -> 0E-389 Underflow Inexact Rounded Clamped Subnormal 427expx755 exp -100000 -> 0E-389 Underflow Inexact Rounded Clamped Subnormal 428expx756 exp -10000 -> 0E-389 Underflow Inexact Rounded Clamped Subnormal 429expx757 exp -1000 -> 0E-389 Underflow Inexact Rounded Clamped Subnormal 430expx758 exp -881.89009 -> 1.000001E-383 Inexact Rounded 431expx759 exp -881.8901 -> 9.99991E-384 Inexact Rounded Underflow Subnormal 432expx760 exp -885 -> 4.4605E-385 Inexact Rounded Underflow Subnormal 433expx761 exp -888 -> 2.221E-386 Inexact Rounded Underflow Subnormal 434expx762 exp -890 -> 3.01E-387 Inexact Rounded Underflow Subnormal 435expx763 exp -892.9 -> 1.7E-388 Inexact Rounded Underflow Subnormal 436expx764 exp -893 -> 1.5E-388 Inexact Rounded Underflow Subnormal 437expx765 exp -893.5 -> 9E-389 Inexact Rounded Underflow Subnormal 438expx766 exp -895.7056 -> 1E-389 Inexact Rounded Underflow Subnormal 439expx769 exp -895.8 -> 1E-389 Inexact Rounded Underflow Subnormal 440expx770 exp -895.73 -> 1E-389 Inexact Rounded Underflow Subnormal 441expx771 exp -896.3987 -> 1E-389 Inexact Rounded Underflow Subnormal 442expx772 exp -896.3988 -> 0E-389 Inexact Rounded Underflow Subnormal Clamped 443expx773 exp -898.0081 -> 0E-389 Inexact Rounded Underflow Subnormal Clamped 444expx774 exp -898.0082 -> 0E-389 Inexact Rounded Underflow Subnormal Clamped 445 446-- special values 447maxexponent: 999 448minexponent: -999 449expx820 exp Inf -> Infinity 450expx821 exp -Inf -> 0 451expx822 exp NaN -> NaN 452expx823 exp sNaN -> NaN Invalid_operation 453-- propagating NaNs 454expx824 exp sNaN123 -> NaN123 Invalid_operation 455expx825 exp -sNaN321 -> -NaN321 Invalid_operation 456expx826 exp NaN456 -> NaN456 457expx827 exp -NaN654 -> -NaN654 458expx828 exp NaN1 -> NaN1 459 460-- Invalid operations due to restrictions 461-- [next two probably skipped by most test harnesses] 462precision: 100000000 463expx901 exp -Infinity -> NaN Invalid_context 464precision: 99999999 465expx902 exp -Infinity -> NaN Invalid_context 466 467precision: 9 468maxExponent: 1000000 469minExponent: -999999 470expx903 exp -Infinity -> NaN Invalid_context 471maxExponent: 999999 472minExponent: -999999 473expx904 exp -Infinity -> 0 474maxExponent: 999999 475minExponent: -1000000 476expx905 exp -Infinity -> NaN Invalid_context 477maxExponent: 999999 478minExponent: -999998 479expx906 exp -Infinity -> 0 480 481-- 482maxExponent: 384 483minExponent: -383 484precision: 16 485rounding: half_even 486 487-- Null test 488expx900 exp # -> NaN Invalid_operation 489 490 491-- Randoms P=50, within 0-999 492Precision: 50 493maxExponent: 384 494minExponent: -383 495expx1501 exp 656.35397950590285612266095596539934213943872885728 -> 1.1243757610640319783611178528839652672062820040314E+285 Inexact Rounded 496expx1502 exp 0.93620571093652800225038550600780322831236082781471 -> 2.5502865130986176689199711857825771311178046842009 Inexact Rounded 497expx1503 exp 0.00000000000000008340785856601514714183373874105791 -> 1.0000000000000000834078585660151506202691740252512 Inexact Rounded 498expx1504 exp 0.00009174057262887789625745574686545163168788456203 -> 1.0000917447809239005146722341251524081006051473273 Inexact Rounded 499expx1505 exp 33.909116897973797735657751591014926629051117541243 -> 532773181025002.03543618901306726495870476617232229 Inexact Rounded 500expx1506 exp 0.00000740470413004406592124575295278456936809587311 -> 1.0000074047315449333590066395670306135567889210814 Inexact Rounded 501expx1507 exp 0.00000000000124854922222108802453746922483071445492 -> 1.0000000000012485492222218674621176239911424968263 Inexact Rounded 502expx1508 exp 4.1793280674155659794286951159430651258356014391382 -> 65.321946520147199404199787811336860087975118278185 Inexact Rounded 503expx1509 exp 485.43595745460655893746179890255529919221550201686 -> 6.6398403920459617255950476953129377459845366585463E+210 Inexact Rounded 504expx1510 exp 0.00000000003547259806590856032527875157830328156597 -> 1.0000000000354725980665377129320589406715000685515 Inexact Rounded 505expx1511 exp 0.00000000000000759621497339104047930616478635042678 -> 1.0000000000000075962149733910693305471257715463887 Inexact Rounded 506expx1512 exp 9.7959168821760339304571595474480640286072720233796 -> 17960.261146042955179164303653412650751681436352437 Inexact Rounded 507expx1513 exp 0.00000000566642006258290526783901451194943164535581 -> 1.0000000056664200786370634609832438815665249347650 Inexact Rounded 508expx1514 exp 741.29888791134298194088827572374718940925820027354 -> 8.7501694006317332808128946666402622432064923198731E+321 Inexact Rounded 509expx1515 exp 032.75573003552517668808529099897153710887014947935 -> 168125196578678.17725841108617955904425345631092339 Inexact Rounded 510expx1516 exp 42.333700726429333308594265553422902463737399437644 -> 2428245675864172475.4681119493045657797309369672012 Inexact Rounded 511expx1517 exp 0.00000000000000559682616876491888197609158802835798 -> 1.0000000000000055968261687649345442076732739577049 Inexact Rounded 512expx1518 exp 0.00000000000080703688668280193584758300973549486312 -> 1.0000000000008070368866831275901158164321867914342 Inexact Rounded 513expx1519 exp 640.72396012796509482382712891709072570653606838251 -> 1.8318094990683394229304133068983914236995326891045E+278 Inexact Rounded 514expx1520 exp 0.00000000000000509458922167631071416948112219512224 -> 1.0000000000000050945892216763236915891499324358556 Inexact Rounded 515expx1521 exp 6.7670394314315206378625221583973414660727960241395 -> 868.73613012822031367806248697092884415119568271315 Inexact Rounded 516expx1522 exp 04.823217407412963506638267226891024138054783122548 -> 124.36457929588837129731821077586705505565904205366 Inexact Rounded 517expx1523 exp 193.51307878701196403991208482520115359690106143615 -> 1.1006830872854715677390914655452261550768957576034E+84 Inexact Rounded 518expx1524 exp 5.7307749038303650539200345901210497015617393970463 -> 308.20800743106843083522721523715645950574866495196 Inexact Rounded 519expx1525 exp 0.00000000000095217825199797965200541169123743500267 -> 1.0000000000009521782519984329737172007991390381273 Inexact Rounded 520expx1526 exp 0.00027131440949183370966393682617930153495028919140 -> 1.0002713512185751022906058160480606598754913607364 Inexact Rounded 521expx1527 exp 0.00000000064503059114680682343002315662069272707123 -> 1.0000000006450305913548390552323517403613135496633 Inexact Rounded 522expx1528 exp 0.00000000000000095616643506527288866235238548440593 -> 1.0000000000000009561664350652733457894781582009094 Inexact Rounded 523expx1529 exp 0.00000000000000086449942811678650244459550252743433 -> 1.0000000000000008644994281167868761242261096529986 Inexact Rounded 524expx1530 exp 0.06223488355635359965683053157729204988381887621850 -> 1.0642122813392406657789688931838919323826250630831 Inexact Rounded 525expx1531 exp 0.00000400710807804429435502657131912308680674057053 -> 1.0000040071161065125925620890019319832127863559260 Inexact Rounded 526expx1532 exp 85.522796894744576211573232055494551429297878413017 -> 13870073686404228452757799770251085177.853337368935 Inexact Rounded 527expx1533 exp 9.1496720811363678696938036379756663548353399954363 -> 9411.3537122832743386783597629161763057370034495157 Inexact Rounded 528expx1534 exp 8.2215705240788294472944382056330516738577785177942 -> 3720.3406813383076953899654701615084425598377758189 Inexact Rounded 529expx1535 exp 0.00000000015772064569640613142823203726821076239561 -> 1.0000000001577206457088440324683315788358926129830 Inexact Rounded 530expx1536 exp 0.58179346473959531432624153576883440625538017532480 -> 1.7892445018275360163797022372655837188423194863605 Inexact Rounded 531expx1537 exp 33.555726197149525061455517784870570470833498096559 -> 374168069896324.62578073148993526626307095854407952 Inexact Rounded 532expx1538 exp 9.7898079803906215094140010009583375537259810398659 -> 17850.878119912208888217100998019986634620368538426 Inexact Rounded 533expx1539 exp 89.157697327174521542502447953032536541038636966347 -> 525649152320166503771224149330448089550.67293829227 Inexact Rounded 534expx1540 exp 25.022947600123328912029051897171319573322888514885 -> 73676343442.952517824345431437683153304645851960524 Inexact Rounded 535 536-- exp(1) at 34 537Precision: 34 538expx1200 exp 1 -> 2.718281828459045235360287471352662 Inexact Rounded 539 540-- Randoms P=34, within 0-999 541Precision: 34 542maxExponent: 6144 543minExponent: -6143 544expx1201 exp 309.5948855821510212996700645087188 -> 2.853319692901387521201738015050724E+134 Inexact Rounded 545expx1202 exp 9.936543068706211420422803962680164 -> 20672.15839203171877476511093276022 Inexact Rounded 546expx1203 exp 6.307870323881505684429839491707908 -> 548.8747777054637296137277391754665 Inexact Rounded 547expx1204 exp 0.0003543281389438420535201308282503 -> 1.000354390920573746164733350843155 Inexact Rounded 548expx1205 exp 0.0000037087453363918375598394920229 -> 1.000003708752213796324841920189323 Inexact Rounded 549expx1206 exp 0.0020432312687512438040222444116585 -> 1.002045320088164826013561630975308 Inexact Rounded 550expx1207 exp 6.856313340032177672550343216129586 -> 949.8587981604144147983589660524396 Inexact Rounded 551expx1208 exp 0.0000000000402094928333815643326418 -> 1.000000000040209492834189965989612 Inexact Rounded 552expx1209 exp 0.0049610784722412117632647003545839 -> 1.004973404997901987039589029277833 Inexact Rounded 553expx1210 exp 0.0000891471883724066909746786702686 -> 1.000089151162101085412780088266699 Inexact Rounded 554expx1211 exp 08.59979170376061890684723211112566 -> 5430.528314920905714615339273738097 Inexact Rounded 555expx1212 exp 9.473117039341003854872778112752590 -> 13005.36234331224953460055897913917 Inexact Rounded 556expx1213 exp 0.0999060724692207648429969999310118 -> 1.105067116975190602296052700726802 Inexact Rounded 557expx1214 exp 0.0000000927804533555877884082269247 -> 1.000000092780457659694183954740772 Inexact Rounded 558expx1215 exp 0.0376578583872889916298772818265677 -> 1.038375900489771946477857818447556 Inexact Rounded 559expx1216 exp 261.6896411697539524911536116712307 -> 4.470613562127465095241600174941460E+113 Inexact Rounded 560expx1217 exp 0.0709997423269162980875824213889626 -> 1.073580949235407949417814485533172 Inexact Rounded 561expx1218 exp 0.0000000444605583295169895235658731 -> 1.000000044460559317887627657593900 Inexact Rounded 562expx1219 exp 0.0000021224072854777512281369815185 -> 1.000002122409537785687390631070906 Inexact Rounded 563expx1220 exp 547.5174462574156885473558485475052 -> 6.078629247383807942612114579728672E+237 Inexact Rounded 564expx1221 exp 0.0000009067598041615192002339844670 -> 1.000000906760215268314680115374387 Inexact Rounded 565expx1222 exp 0.0316476500308065365803455533244603 -> 1.032153761880187977658387961769034 Inexact Rounded 566expx1223 exp 84.46160530377645101833996706384473 -> 4.799644995897968383503269871697856E+36 Inexact Rounded 567expx1224 exp 0.0000000000520599740290848018904145 -> 1.000000000052059974030439922338393 Inexact Rounded 568expx1225 exp 0.0000006748530640093620665651726708 -> 1.000000674853291722742292331812997 Inexact Rounded 569expx1226 exp 0.0000000116853119761042020507916169 -> 1.000000011685312044377460306165203 Inexact Rounded 570expx1227 exp 0.0022593818094258636727616886693280 -> 1.002261936135876893707094845543461 Inexact Rounded 571expx1228 exp 0.0029398857673478912249856509667517 -> 1.002944211469495086813087651287012 Inexact Rounded 572expx1229 exp 0.7511480029928802775376270557636963 -> 2.119431734510320169806976569366789 Inexact Rounded 573expx1230 exp 174.9431952176750671150886423048447 -> 9.481222305374955011464619468044051E+75 Inexact Rounded 574expx1231 exp 0.0000810612451694136129199895164424 -> 1.000081064530720924186615149646920 Inexact Rounded 575expx1232 exp 51.06888989702669288180946272499035 -> 15098613888619165073959.89896018749 Inexact Rounded 576expx1233 exp 0.0000000005992887599437093651494510 -> 1.000000000599288760123282874082758 Inexact Rounded 577expx1234 exp 714.8549046761054856311108828903972 -> 2.867744544891081117381595080480784E+310 Inexact Rounded 578expx1235 exp 0.0000000004468247802990643645607110 -> 1.000000000446824780398890556720233 Inexact Rounded 579expx1236 exp 831.5818151589890366323551672043709 -> 1.417077409182624969435938062261655E+361 Inexact Rounded 580expx1237 exp 0.0000000006868323825179605747108044 -> 1.000000000686832382753829935602454 Inexact Rounded 581expx1238 exp 0.0000001306740266408976840228440255 -> 1.000000130674035178748675187648098 Inexact Rounded 582expx1239 exp 0.3182210609022267704811502412335163 -> 1.374680115667798185758927247894859 Inexact Rounded 583expx1240 exp 0.0147741234179104437440264644295501 -> 1.014883800239950682628277534839222 Inexact Rounded 584 585-- Randoms P=16, within 0-99 586Precision: 16 587maxExponent: 384 588minExponent: -383 589expx1101 exp 8.473011527013724 -> 4783.900643969246 Inexact Rounded 590expx1102 exp 0.0000055753022764 -> 1.000005575317818 Inexact Rounded 591expx1103 exp 0.0000323474114482 -> 1.000032347934631 Inexact Rounded 592expx1104 exp 64.54374138544166 -> 1.073966476173531E+28 Inexact Rounded 593expx1105 exp 90.47203246416569 -> 1.956610887250643E+39 Inexact Rounded 594expx1106 exp 9.299931532342757 -> 10937.27033325227 Inexact Rounded 595expx1107 exp 8.759678437852203 -> 6372.062234495381 Inexact Rounded 596expx1108 exp 0.0000931755127172 -> 1.000093179853690 Inexact Rounded 597expx1109 exp 0.0000028101158373 -> 1.000002810119786 Inexact Rounded 598expx1110 exp 0.0000008008130919 -> 1.000000800813413 Inexact Rounded 599expx1111 exp 8.339771722299049 -> 4187.133803081878 Inexact Rounded 600expx1112 exp 0.0026140497995474 -> 1.002617469406750 Inexact Rounded 601expx1113 exp 0.7478033356261771 -> 2.112354781975418 Inexact Rounded 602expx1114 exp 51.77663761827966 -> 3.064135801120365E+22 Inexact Rounded 603expx1115 exp 0.1524989783061012 -> 1.164741272084955 Inexact Rounded 604expx1116 exp 0.0066298798669219 -> 1.006651906170791 Inexact Rounded 605expx1117 exp 9.955141865534960 -> 21060.23334287038 Inexact Rounded 606expx1118 exp 92.34503059198483 -> 1.273318993481226E+40 Inexact Rounded 607expx1119 exp 0.0000709388677346 -> 1.000070941383956 Inexact Rounded 608expx1120 exp 79.12883036433204 -> 2.318538899389243E+34 Inexact Rounded 609expx1121 exp 0.0000090881548873 -> 1.000009088196185 Inexact Rounded 610expx1122 exp 0.0424828809603411 -> 1.043398194245720 Inexact Rounded 611expx1123 exp 0.8009035891427416 -> 2.227552811933310 Inexact Rounded 612expx1124 exp 8.825786167283102 -> 6807.540455289995 Inexact Rounded 613expx1125 exp 1.535457249746275 -> 4.643448260146849 Inexact Rounded 614expx1126 exp 69.02254254355800 -> 9.464754500670653E+29 Inexact Rounded 615expx1127 exp 0.0007050554368713 -> 1.000705304046880 Inexact Rounded 616expx1128 exp 0.0000081206549504 -> 1.000008120687923 Inexact Rounded 617expx1129 exp 0.621774854641137 -> 1.862230298554903 Inexact Rounded 618expx1130 exp 3.847629031404354 -> 46.88177613568203 Inexact Rounded 619expx1131 exp 24.81250184697732 -> 59694268456.19966 Inexact Rounded 620expx1132 exp 5.107546500516044 -> 165.2643809755670 Inexact Rounded 621expx1133 exp 79.17810943951986 -> 2.435656372541360E+34 Inexact Rounded 622expx1134 exp 0.0051394695667015 -> 1.005152699295301 Inexact Rounded 623expx1135 exp 57.44504488501725 -> 8.872908566929688E+24 Inexact Rounded 624expx1136 exp 0.0000508388968036 -> 1.000050840189122 Inexact Rounded 625expx1137 exp 69.71309932148997 -> 1.888053740693541E+30 Inexact Rounded 626expx1138 exp 0.0064183412981502 -> 1.006438982988835 Inexact Rounded 627expx1139 exp 9.346991220814677 -> 11464.27802035082 Inexact Rounded 628expx1140 exp 33.09087139999152 -> 235062229168763.5 Inexact Rounded 629 630-- Randoms P=7, within 0-9 631Precision: 7 632maxExponent: 96 633minExponent: -95 634expx1001 exp 2.395441 -> 10.97304 Inexact Rounded 635expx1002 exp 0.6406779 -> 1.897767 Inexact Rounded 636expx1003 exp 0.5618218 -> 1.753865 Inexact Rounded 637expx1004 exp 3.055120 -> 21.22373 Inexact Rounded 638expx1005 exp 1.536792 -> 4.649650 Inexact Rounded 639expx1006 exp 0.0801591 -> 1.083459 Inexact Rounded 640expx1007 exp 0.0966875 -> 1.101516 Inexact Rounded 641expx1008 exp 0.0646761 -> 1.066813 Inexact Rounded 642expx1009 exp 0.0095670 -> 1.009613 Inexact Rounded 643expx1010 exp 2.956859 -> 19.23745 Inexact Rounded 644expx1011 exp 7.504679 -> 1816.522 Inexact Rounded 645expx1012 exp 0.0045259 -> 1.004536 Inexact Rounded 646expx1013 exp 3.810071 -> 45.15364 Inexact Rounded 647expx1014 exp 1.502390 -> 4.492413 Inexact Rounded 648expx1015 exp 0.0321523 -> 1.032675 Inexact Rounded 649expx1016 exp 0.0057214 -> 1.005738 Inexact Rounded 650expx1017 exp 9.811445 -> 18241.33 Inexact Rounded 651expx1018 exp 3.245249 -> 25.66810 Inexact Rounded 652expx1019 exp 0.3189742 -> 1.375716 Inexact Rounded 653expx1020 exp 0.8621610 -> 2.368273 Inexact Rounded 654expx1021 exp 0.0122511 -> 1.012326 Inexact Rounded 655expx1022 exp 2.202088 -> 9.043877 Inexact Rounded 656expx1023 exp 8.778203 -> 6491.202 Inexact Rounded 657expx1024 exp 0.1896279 -> 1.208800 Inexact Rounded 658expx1025 exp 0.4510947 -> 1.570030 Inexact Rounded 659expx1026 exp 0.276413 -> 1.318392 Inexact Rounded 660expx1027 exp 4.490067 -> 89.12742 Inexact Rounded 661expx1028 exp 0.0439786 -> 1.044960 Inexact Rounded 662expx1029 exp 0.8168245 -> 2.263301 Inexact Rounded 663expx1030 exp 0.0391658 -> 1.039943 Inexact Rounded 664expx1031 exp 9.261816 -> 10528.24 Inexact Rounded 665expx1032 exp 9.611186 -> 14930.87 Inexact Rounded 666expx1033 exp 9.118125 -> 9119.087 Inexact Rounded 667expx1034 exp 9.469083 -> 12953.00 Inexact Rounded 668expx1035 exp 0.0499983 -> 1.051269 Inexact Rounded 669expx1036 exp 0.0050746 -> 1.005087 Inexact Rounded 670expx1037 exp 0.0014696 -> 1.001471 Inexact Rounded 671expx1038 exp 9.138494 -> 9306.739 Inexact Rounded 672expx1039 exp 0.0065436 -> 1.006565 Inexact Rounded 673expx1040 exp 0.7284803 -> 2.071930 Inexact Rounded 674 675