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✏️ exp.decTest
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------------------------------------------------------------------------ -- exp.decTest -- decimal natural exponentiation -- -- Copyright (c) IBM Corporation, 2005, 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 -- Tests of the exponential function. Currently all testcases here -- show results which are correctly rounded (within <= 0.5 ulp). extended: 1 precision: 9 rounding: half_even maxExponent: 384 minexponent: -383 -- basics (examples in specificiation, etc.) expx001 exp -Infinity -> 0 expx002 exp -10 -> 0.0000453999298 Inexact Rounded expx003 exp -1 -> 0.367879441 Inexact Rounded expx004 exp 0 -> 1 expx005 exp -0 -> 1 expx006 exp 1 -> 2.71828183 Inexact Rounded expx007 exp 0.693147181 -> 2.00000000 Inexact Rounded expx008 exp 10 -> 22026.4658 Inexact Rounded expx009 exp +Infinity -> Infinity -- tiny edge cases precision: 7 expx011 exp 0.1 -> 1.105171 Inexact Rounded expx012 exp 0.01 -> 1.010050 Inexact Rounded expx013 exp 0.001 -> 1.001001 Inexact Rounded expx014 exp 0.0001 -> 1.000100 Inexact Rounded expx015 exp 0.00001 -> 1.000010 Inexact Rounded expx016 exp 0.000001 -> 1.000001 Inexact Rounded expx017 exp 0.0000001 -> 1.000000 Inexact Rounded expx018 exp 0.0000003 -> 1.000000 Inexact Rounded expx019 exp 0.0000004 -> 1.000000 Inexact Rounded expx020 exp 0.0000005 -> 1.000001 Inexact Rounded expx021 exp 0.0000008 -> 1.000001 Inexact Rounded expx022 exp 0.0000009 -> 1.000001 Inexact Rounded expx023 exp 0.0000010 -> 1.000001 Inexact Rounded expx024 exp 0.0000011 -> 1.000001 Inexact Rounded expx025 exp 0.00000009 -> 1.000000 Inexact Rounded expx026 exp 0.00000005 -> 1.000000 Inexact Rounded expx027 exp 0.00000004 -> 1.000000 Inexact Rounded expx028 exp 0.00000001 -> 1.000000 Inexact Rounded -- and some more zeros expx030 exp 0.00000000 -> 1 expx031 exp 0E+100 -> 1 expx032 exp 0E-100 -> 1 expx033 exp -0.00000000 -> 1 expx034 exp -0E+100 -> 1 expx035 exp -0E-100 -> 1 -- basic e=0, e=1, e=2, e=4, e>=8 cases precision: 7 expx041 exp 1 -> 2.718282 Inexact Rounded expx042 exp -1 -> 0.3678794 Inexact Rounded expx043 exp 10 -> 22026.47 Inexact Rounded expx044 exp -10 -> 0.00004539993 Inexact Rounded expx045 exp 100 -> 2.688117E+43 Inexact Rounded expx046 exp -100 -> 3.720076E-44 Inexact Rounded expx047 exp 1000 -> Infinity Overflow Inexact Rounded expx048 exp -1000 -> 0E-389 Underflow Inexact Rounded Clamped Subnormal expx049 exp 100000000 -> Infinity Overflow Inexact Rounded expx050 exp -100000000 -> 0E-389 Underflow Inexact Rounded Clamped Subnormal -- miscellanea -- similar to 'VF bug' test, at 17, but with last digit corrected for decimal precision: 16 expx055 exp -5.42410311287441459172E+2 -> 2.717658486884572E-236 Inexact Rounded -- result from NetRexx/Java prototype -> 2.7176584868845721117677929628617246054459644711108E-236 -- result from Rexx (series) version -> 2.717658486884572111767792962861724605446E-236 precision: 17 expx056 exp -5.42410311287441459172E+2 -> 2.7176584868845721E-236 Inexact Rounded precision: 18 expx057 exp -5.42410311287441459172E+2 -> 2.71765848688457211E-236 Inexact Rounded precision: 19 expx058 exp -5.42410311287441459172E+2 -> 2.717658486884572112E-236 Inexact Rounded precision: 20 expx059 exp -5.42410311287441459172E+2 -> 2.7176584868845721118E-236 Inexact Rounded -- rounding in areas of ..500.., ..499.., ..100.., ..999.. sequences precision: 50 expx101 exp -9E-8 -> 0.99999991000000404999987850000273374995079250073811 Inexact Rounded precision: 31 expx102 exp -9E-8 -> 0.9999999100000040499998785000027 Inexact Rounded precision: 30 expx103 exp -9E-8 -> 0.999999910000004049999878500003 Inexact Rounded precision: 29 expx104 exp -9E-8 -> 0.99999991000000404999987850000 Inexact Rounded precision: 28 expx105 exp -9E-8 -> 0.9999999100000040499998785000 Inexact Rounded precision: 27 expx106 exp -9E-8 -> 0.999999910000004049999878500 Inexact Rounded precision: 26 expx107 exp -9E-8 -> 0.99999991000000404999987850 Inexact Rounded precision: 25 expx108 exp -9E-8 -> 0.9999999100000040499998785 Inexact Rounded precision: 24 expx109 exp -9E-8 -> 0.999999910000004049999879 Inexact Rounded precision: 23 expx110 exp -9E-8 -> 0.99999991000000404999988 Inexact Rounded precision: 22 expx111 exp -9E-8 -> 0.9999999100000040499999 Inexact Rounded precision: 21 expx112 exp -9E-8 -> 0.999999910000004050000 Inexact Rounded precision: 20 expx113 exp -9E-8 -> 0.99999991000000405000 Inexact Rounded precision: 19 expx114 exp -9E-8 -> 0.9999999100000040500 Inexact Rounded precision: 18 expx115 exp -9E-8 -> 0.999999910000004050 Inexact Rounded precision: 17 expx116 exp -9E-8 -> 0.99999991000000405 Inexact Rounded precision: 16 expx117 exp -9E-8 -> 0.9999999100000040 Inexact Rounded precision: 15 expx118 exp -9E-8 -> 0.999999910000004 Inexact Rounded precision: 14 expx119 exp -9E-8 -> 0.99999991000000 Inexact Rounded precision: 13 expx120 exp -9E-8 -> 0.9999999100000 Inexact Rounded precision: 12 expx121 exp -9E-8 -> 0.999999910000 Inexact Rounded precision: 11 expx122 exp -9E-8 -> 0.99999991000 Inexact Rounded precision: 10 expx123 exp -9E-8 -> 0.9999999100 Inexact Rounded precision: 9 expx124 exp -9E-8 -> 0.999999910 Inexact Rounded precision: 8 expx125 exp -9E-8 -> 0.99999991 Inexact Rounded precision: 7 expx126 exp -9E-8 -> 0.9999999 Inexact Rounded precision: 6 expx127 exp -9E-8 -> 1.00000 Inexact Rounded precision: 5 expx128 exp -9E-8 -> 1.0000 Inexact Rounded precision: 4 expx129 exp -9E-8 -> 1.000 Inexact Rounded precision: 3 expx130 exp -9E-8 -> 1.00 Inexact Rounded precision: 2 expx131 exp -9E-8 -> 1.0 Inexact Rounded precision: 1 expx132 exp -9E-8 -> 1 Inexact Rounded -- sanity checks, with iteration counts [normalized so 0<=|x|<1] precision: 50 expx210 exp 0 -> 1 -- iterations: 2 expx211 exp -1E-40 -> 0.99999999999999999999999999999999999999990000000000 Inexact Rounded -- iterations: 8 expx212 exp -9E-7 -> 0.99999910000040499987850002733749507925073811240510 Inexact Rounded -- iterations: 6 expx213 exp -9E-8 -> 0.99999991000000404999987850000273374995079250073811 Inexact Rounded -- iterations: 15 expx214 exp -0.003 -> 0.99700449550337297601206623409756091074177480489845 Inexact Rounded -- iterations: 14 expx215 exp -0.001 -> 0.99900049983337499166805535716765597470235590236008 Inexact Rounded -- iterations: 26 expx216 exp -0.1 -> 0.90483741803595957316424905944643662119470536098040 Inexact Rounded -- iterations: 39 expx217 exp -0.7 -> 0.49658530379140951470480009339752896170766716571182 Inexact Rounded -- iterations: 41 expx218 exp -0.9 -> 0.40656965974059911188345423964562598783370337617038 Inexact Rounded -- iterations: 43 expx219 exp -0.99 -> 0.37157669102204569053152411990820138691802885490501 Inexact Rounded -- iterations: 26 expx220 exp -1 -> 0.36787944117144232159552377016146086744581113103177 Inexact Rounded -- iterations: 26 expx221 exp -1.01 -> 0.36421897957152331975704629563734548959589139192482 Inexact Rounded -- iterations: 27 expx222 exp -1.1 -> 0.33287108369807955328884690643131552161247952156921 Inexact Rounded -- iterations: 28 expx223 exp -1.5 -> 0.22313016014842982893328047076401252134217162936108 Inexact Rounded -- iterations: 30 expx224 exp -2 -> 0.13533528323661269189399949497248440340763154590958 Inexact Rounded -- iterations: 36 expx225 exp -5 -> 0.0067379469990854670966360484231484242488495850273551 Inexact Rounded -- iterations: 26 expx226 exp -10 -> 0.000045399929762484851535591515560550610237918088866565 Inexact Rounded -- iterations: 28 expx227 exp -14 -> 8.3152871910356788406398514256526229460765836498457E-7 Inexact Rounded -- iterations: 29 expx228 exp -15 -> 3.0590232050182578837147949770228963937082078081856E-7 Inexact Rounded -- iterations: 30 expx233 exp 0 -> 1 -- iterations: 2 expx234 exp 1E-40 -> 1.0000000000000000000000000000000000000001000000000 Inexact Rounded -- iterations: 7 expx235 exp 9E-7 -> 1.0000009000004050001215000273375049207507381125949 Inexact Rounded -- iterations: 6 expx236 exp 9E-8 -> 1.0000000900000040500001215000027337500492075007381 Inexact Rounded -- iterations: 15 expx237 exp 0.003 -> 1.0030045045033770260129340913489002053318727195619 Inexact Rounded -- iterations: 13 expx238 exp 0.001 -> 1.0010005001667083416680557539930583115630762005807 Inexact Rounded -- iterations: 25 expx239 exp 0.1 -> 1.1051709180756476248117078264902466682245471947375 Inexact Rounded -- iterations: 38 expx240 exp 0.7 -> 2.0137527074704765216245493885830652700175423941459 Inexact Rounded -- iterations: 41 expx241 exp 0.9 -> 2.4596031111569496638001265636024706954217723064401 Inexact Rounded -- iterations: 42 expx242 exp 0.99 -> 2.6912344723492622890998794040710139721802931841030 Inexact Rounded -- iterations: 26 expx243 exp 1 -> 2.7182818284590452353602874713526624977572470937000 Inexact Rounded -- iterations: 26 expx244 exp 1.01 -> 2.7456010150169164939897763166603876240737508195960 Inexact Rounded -- iterations: 26 expx245 exp 1.1 -> 3.0041660239464331120584079535886723932826810260163 Inexact Rounded -- iterations: 28 expx246 exp 1.5 -> 4.4816890703380648226020554601192758190057498683697 Inexact Rounded -- iterations: 29 expx247 exp 2 -> 7.3890560989306502272304274605750078131803155705518 Inexact Rounded -- iterations: 36 expx248 exp 5 -> 148.41315910257660342111558004055227962348766759388 Inexact Rounded -- iterations: 26 expx249 exp 10 -> 22026.465794806716516957900645284244366353512618557 Inexact Rounded -- iterations: 28 expx250 exp 14 -> 1202604.2841647767777492367707678594494124865433761 Inexact Rounded -- iterations: 28 expx251 exp 15 -> 3269017.3724721106393018550460917213155057385438200 Inexact Rounded -- iterations: 29 -- a biggie [result verified 3 ways] precision: 250 expx260 exp 1 -> 2.718281828459045235360287471352662497757247093699959574966967627724076630353547594571382178525166427427466391932003059921817413596629043572900334295260595630738132328627943490763233829880753195251019011573834187930702154089149934884167509244761460668 Inexact Rounded -- extreme range boundaries precision: 16 maxExponent: 999999 minExponent: -999999 -- Ntiny boundary expx290 exp -2302618.022332529 -> 0E-1000014 Underflow Subnormal Inexact Rounded Clamped expx291 exp -2302618.022332528 -> 1E-1000014 Underflow Subnormal Inexact Rounded -- Nmax/10 and Nmax boundary expx292 exp 2302582.790408952 -> 9.999999993100277E+999998 Inexact Rounded expx293 exp 2302582.790408953 -> 1.000000000310028E+999999 Inexact Rounded expx294 exp 2302585.092993946 -> 9.999999003159870E+999999 Inexact Rounded expx295 exp 2302585.092994036 -> 9.999999903159821E+999999 Inexact Rounded expx296 exp 2302585.092994045 -> 9.999999993159820E+999999 Inexact Rounded expx297 exp 2302585.092994046 -> Infinity Overflow Inexact Rounded -- 0<-x<<1 effects precision: 30 expx320 exp -4.9999999999999E-8 -> 0.999999950000001250000979166617 Inexact Rounded expx321 exp -5.0000000000000E-8 -> 0.999999950000001249999979166667 Inexact Rounded expx322 exp -5.0000000000001E-8 -> 0.999999950000001249998979166717 Inexact Rounded precision: 20 expx323 exp -4.9999999999999E-8 -> 0.99999995000000125000 Inexact Rounded expx324 exp -5.0000000000000E-8 -> 0.99999995000000125000 Inexact Rounded expx325 exp -5.0000000000001E-8 -> 0.99999995000000125000 Inexact Rounded precision: 14 expx326 exp -4.9999999999999E-8 -> 0.99999995000000 Inexact Rounded expx327 exp -5.0000000000000E-8 -> 0.99999995000000 Inexact Rounded expx328 exp -5.0000000000001E-8 -> 0.99999995000000 Inexact Rounded -- overprecise and 0<-x<<1 precision: 8 expx330 exp -4.9999999999999E-8 -> 0.99999995 Inexact Rounded expx331 exp -5.0000000000000E-8 -> 0.99999995 Inexact Rounded expx332 exp -5.0000000000001E-8 -> 0.99999995 Inexact Rounded precision: 7 expx333 exp -4.9999999999999E-8 -> 1.000000 Inexact Rounded expx334 exp -5.0000000000000E-8 -> 1.000000 Inexact Rounded expx335 exp -5.0000000000001E-8 -> 1.000000 Inexact Rounded precision: 3 expx336 exp -4.9999999999999E-8 -> 1.00 Inexact Rounded expx337 exp -5.0000000000000E-8 -> 1.00 Inexact Rounded expx338 exp -5.0000000000001E-8 -> 1.00 Inexact Rounded -- 0<x<<1 effects precision: 30 expx340 exp 4.9999999999999E-8 -> 1.00000005000000124999902083328 Inexact Rounded expx341 exp 5.0000000000000E-8 -> 1.00000005000000125000002083333 Inexact Rounded expx342 exp 5.0000000000001E-8 -> 1.00000005000000125000102083338 Inexact Rounded precision: 20 expx343 exp 4.9999999999999E-8 -> 1.0000000500000012500 Inexact Rounded expx344 exp 5.0000000000000E-8 -> 1.0000000500000012500 Inexact Rounded expx345 exp 5.0000000000001E-8 -> 1.0000000500000012500 Inexact Rounded precision: 14 expx346 exp 4.9999999999999E-8 -> 1.0000000500000 Inexact Rounded expx347 exp 5.0000000000000E-8 -> 1.0000000500000 Inexact Rounded expx348 exp 5.0000000000001E-8 -> 1.0000000500000 Inexact Rounded -- overprecise and 0<x<<1 precision: 8 expx350 exp 4.9999999999999E-8 -> 1.0000001 Inexact Rounded expx351 exp 5.0000000000000E-8 -> 1.0000001 Inexact Rounded expx352 exp 5.0000000000001E-8 -> 1.0000001 Inexact Rounded precision: 7 expx353 exp 4.9999999999999E-8 -> 1.000000 Inexact Rounded expx354 exp 5.0000000000000E-8 -> 1.000000 Inexact Rounded expx355 exp 5.0000000000001E-8 -> 1.000000 Inexact Rounded precision: 3 expx356 exp 4.9999999999999E-8 -> 1.00 Inexact Rounded expx357 exp 5.0000000000000E-8 -> 1.00 Inexact Rounded expx358 exp 5.0000000000001E-8 -> 1.00 Inexact Rounded -- cases near 1 -- 1 2345678901234567890 precision: 20 expx401 exp 0.99999999999996 -> 2.7182818284589365041 Inexact Rounded expx402 exp 0.99999999999997 -> 2.7182818284589636869 Inexact Rounded expx403 exp 0.99999999999998 -> 2.7182818284589908697 Inexact Rounded expx404 exp 0.99999999999999 -> 2.7182818284590180525 Inexact Rounded expx405 exp 1.0000000000000 -> 2.7182818284590452354 Inexact Rounded expx406 exp 1.0000000000001 -> 2.7182818284593170635 Inexact Rounded expx407 exp 1.0000000000002 -> 2.7182818284595888917 Inexact Rounded precision: 14 expx411 exp 0.99999999999996 -> 2.7182818284589 Inexact Rounded expx412 exp 0.99999999999997 -> 2.7182818284590 Inexact Rounded expx413 exp 0.99999999999998 -> 2.7182818284590 Inexact Rounded expx414 exp 0.99999999999999 -> 2.7182818284590 Inexact Rounded expx415 exp 1.0000000000000 -> 2.7182818284590 Inexact Rounded expx416 exp 1.0000000000001 -> 2.7182818284593 Inexact Rounded expx417 exp 1.0000000000002 -> 2.7182818284596 Inexact Rounded -- overprecise... precision: 7 expx421 exp 0.99999999999996 -> 2.718282 Inexact Rounded expx422 exp 0.99999999999997 -> 2.718282 Inexact Rounded expx423 exp 0.99999999999998 -> 2.718282 Inexact Rounded expx424 exp 0.99999999999999 -> 2.718282 Inexact Rounded expx425 exp 1.0000000000001 -> 2.718282 Inexact Rounded expx426 exp 1.0000000000002 -> 2.718282 Inexact Rounded expx427 exp 1.0000000000003 -> 2.718282 Inexact Rounded precision: 2 expx431 exp 0.99999999999996 -> 2.7 Inexact Rounded expx432 exp 0.99999999999997 -> 2.7 Inexact Rounded expx433 exp 0.99999999999998 -> 2.7 Inexact Rounded expx434 exp 0.99999999999999 -> 2.7 Inexact Rounded expx435 exp 1.0000000000001 -> 2.7 Inexact Rounded expx436 exp 1.0000000000002 -> 2.7 Inexact Rounded expx437 exp 1.0000000000003 -> 2.7 Inexact Rounded -- basics at low precisions precision: 3 expx501 exp -Infinity -> 0 expx502 exp -10 -> 0.0000454 Inexact Rounded expx503 exp -1 -> 0.368 Inexact Rounded expx504 exp 0 -> 1 expx505 exp -0 -> 1 expx506 exp 1 -> 2.72 Inexact Rounded expx507 exp 0.693147181 -> 2.00 Inexact Rounded expx508 exp 10 -> 2.20E+4 Inexact Rounded expx509 exp +Infinity -> Infinity precision: 2 expx511 exp -Infinity -> 0 expx512 exp -10 -> 0.000045 Inexact Rounded expx513 exp -1 -> 0.37 Inexact Rounded expx514 exp 0 -> 1 expx515 exp -0 -> 1 expx516 exp 1 -> 2.7 Inexact Rounded expx517 exp 0.693147181 -> 2.0 Inexact Rounded expx518 exp 10 -> 2.2E+4 Inexact Rounded expx519 exp +Infinity -> Infinity precision: 1 expx521 exp -Infinity -> 0 expx522 exp -10 -> 0.00005 Inexact Rounded expx523 exp -1 -> 0.4 Inexact Rounded expx524 exp 0 -> 1 expx525 exp -0 -> 1 expx526 exp 1 -> 3 Inexact Rounded expx527 exp 0.693147181 -> 2 Inexact Rounded expx528 exp 10 -> 2E+4 Inexact Rounded expx529 exp +Infinity -> Infinity -- overflows, including some overprecise borderlines precision: 7 maxExponent: 384 minExponent: -383 expx701 exp 1000000000 -> Infinity Overflow Inexact Rounded expx702 exp 100000000 -> Infinity Overflow Inexact Rounded expx703 exp 10000000 -> Infinity Overflow Inexact Rounded expx704 exp 1000000 -> Infinity Overflow Inexact Rounded expx705 exp 100000 -> Infinity Overflow Inexact Rounded expx706 exp 10000 -> Infinity Overflow Inexact Rounded expx707 exp 1000 -> Infinity Overflow Inexact Rounded expx708 exp 886.4952608 -> Infinity Overflow Inexact Rounded expx709 exp 886.4952607 -> 9.999999E+384 Inexact Rounded expx710 exp 886.49527 -> Infinity Overflow Inexact Rounded expx711 exp 886.49526 -> 9.999992E+384 Inexact Rounded precision: 16 expx721 exp 886.4952608027075883 -> Infinity Overflow Inexact Rounded expx722 exp 886.4952608027075882 -> 9.999999999999999E+384 Inexact Rounded expx723 exp 886.49526080270759 -> Infinity Overflow Inexact Rounded expx724 exp 886.49526080270758 -> 9.999999999999917E+384 Inexact Rounded expx725 exp 886.4952608027076 -> Infinity Overflow Inexact Rounded expx726 exp 886.4952608027075 -> 9.999999999999117E+384 Inexact Rounded -- and by special request ... precision: 15 expx731 exp 886.495260802708 -> Infinity Overflow Inexact Rounded expx732 exp 886.495260802707 -> 9.99999999999412E+384 Inexact Rounded expx733 exp 886.495260802706 -> 9.99999999998412E+384 Inexact Rounded maxExponent: 999 minExponent: -999 expx735 exp 2302.58509299405 -> Infinity Overflow Inexact Rounded expx736 exp 2302.58509299404 -> 9.99999999994316E+999 Inexact Rounded expx737 exp 2302.58509299403 -> 9.99999999984316E+999 Inexact Rounded -- subnormals and underflows, including underflow-to-zero edge point precision: 7 maxExponent: 384 minExponent: -383 expx751 exp -1000000000 -> 0E-389 Underflow Inexact Rounded Clamped Subnormal expx752 exp -100000000 -> 0E-389 Underflow Inexact Rounded Clamped Subnormal expx753 exp -10000000 -> 0E-389 Underflow Inexact Rounded Clamped Subnormal expx754 exp -1000000 -> 0E-389 Underflow Inexact Rounded Clamped Subnormal expx755 exp -100000 -> 0E-389 Underflow Inexact Rounded Clamped Subnormal expx756 exp -10000 -> 0E-389 Underflow Inexact Rounded Clamped Subnormal expx757 exp -1000 -> 0E-389 Underflow Inexact Rounded Clamped Subnormal expx758 exp -881.89009 -> 1.000001E-383 Inexact Rounded expx759 exp -881.8901 -> 9.99991E-384 Inexact Rounded Underflow Subnormal expx760 exp -885 -> 4.4605E-385 Inexact Rounded Underflow Subnormal expx761 exp -888 -> 2.221E-386 Inexact Rounded Underflow Subnormal expx762 exp -890 -> 3.01E-387 Inexact Rounded Underflow Subnormal expx763 exp -892.9 -> 1.7E-388 Inexact Rounded Underflow Subnormal expx764 exp -893 -> 1.5E-388 Inexact Rounded Underflow Subnormal expx765 exp -893.5 -> 9E-389 Inexact Rounded Underflow Subnormal expx766 exp -895.7056 -> 1E-389 Inexact Rounded Underflow Subnormal expx769 exp -895.8 -> 1E-389 Inexact Rounded Underflow Subnormal expx770 exp -895.73 -> 1E-389 Inexact Rounded Underflow Subnormal expx771 exp -896.3987 -> 1E-389 Inexact Rounded Underflow Subnormal expx772 exp -896.3988 -> 0E-389 Inexact Rounded Underflow Subnormal Clamped expx773 exp -898.0081 -> 0E-389 Inexact Rounded Underflow Subnormal Clamped expx774 exp -898.0082 -> 0E-389 Inexact Rounded Underflow Subnormal Clamped -- special values maxexponent: 999 minexponent: -999 expx820 exp Inf -> Infinity expx821 exp -Inf -> 0 expx822 exp NaN -> NaN expx823 exp sNaN -> NaN Invalid_operation -- propagating NaNs expx824 exp sNaN123 -> NaN123 Invalid_operation expx825 exp -sNaN321 -> -NaN321 Invalid_operation expx826 exp NaN456 -> NaN456 expx827 exp -NaN654 -> -NaN654 expx828 exp NaN1 -> NaN1 -- Invalid operations due to restrictions -- [next two probably skipped by most test harnesses] precision: 100000000 expx901 exp -Infinity -> NaN Invalid_context precision: 99999999 expx902 exp -Infinity -> NaN Invalid_context precision: 9 maxExponent: 1000000 minExponent: -999999 expx903 exp -Infinity -> NaN Invalid_context maxExponent: 999999 minExponent: -999999 expx904 exp -Infinity -> 0 maxExponent: 999999 minExponent: -1000000 expx905 exp -Infinity -> NaN Invalid_context maxExponent: 999999 minExponent: -999998 expx906 exp -Infinity -> 0 -- maxExponent: 384 minExponent: -383 precision: 16 rounding: half_even -- Null test expx900 exp # -> NaN Invalid_operation -- Randoms P=50, within 0-999 Precision: 50 maxExponent: 384 minExponent: -383 expx1501 exp 656.35397950590285612266095596539934213943872885728 -> 1.1243757610640319783611178528839652672062820040314E+285 Inexact Rounded expx1502 exp 0.93620571093652800225038550600780322831236082781471 -> 2.5502865130986176689199711857825771311178046842009 Inexact Rounded expx1503 exp 0.00000000000000008340785856601514714183373874105791 -> 1.0000000000000000834078585660151506202691740252512 Inexact Rounded expx1504 exp 0.00009174057262887789625745574686545163168788456203 -> 1.0000917447809239005146722341251524081006051473273 Inexact Rounded expx1505 exp 33.909116897973797735657751591014926629051117541243 -> 532773181025002.03543618901306726495870476617232229 Inexact Rounded expx1506 exp 0.00000740470413004406592124575295278456936809587311 -> 1.0000074047315449333590066395670306135567889210814 Inexact Rounded expx1507 exp 0.00000000000124854922222108802453746922483071445492 -> 1.0000000000012485492222218674621176239911424968263 Inexact Rounded expx1508 exp 4.1793280674155659794286951159430651258356014391382 -> 65.321946520147199404199787811336860087975118278185 Inexact Rounded expx1509 exp 485.43595745460655893746179890255529919221550201686 -> 6.6398403920459617255950476953129377459845366585463E+210 Inexact Rounded expx1510 exp 0.00000000003547259806590856032527875157830328156597 -> 1.0000000000354725980665377129320589406715000685515 Inexact Rounded expx1511 exp 0.00000000000000759621497339104047930616478635042678 -> 1.0000000000000075962149733910693305471257715463887 Inexact Rounded expx1512 exp 9.7959168821760339304571595474480640286072720233796 -> 17960.261146042955179164303653412650751681436352437 Inexact Rounded expx1513 exp 0.00000000566642006258290526783901451194943164535581 -> 1.0000000056664200786370634609832438815665249347650 Inexact Rounded expx1514 exp 741.29888791134298194088827572374718940925820027354 -> 8.7501694006317332808128946666402622432064923198731E+321 Inexact Rounded expx1515 exp 032.75573003552517668808529099897153710887014947935 -> 168125196578678.17725841108617955904425345631092339 Inexact Rounded expx1516 exp 42.333700726429333308594265553422902463737399437644 -> 2428245675864172475.4681119493045657797309369672012 Inexact Rounded expx1517 exp 0.00000000000000559682616876491888197609158802835798 -> 1.0000000000000055968261687649345442076732739577049 Inexact Rounded expx1518 exp 0.00000000000080703688668280193584758300973549486312 -> 1.0000000000008070368866831275901158164321867914342 Inexact Rounded expx1519 exp 640.72396012796509482382712891709072570653606838251 -> 1.8318094990683394229304133068983914236995326891045E+278 Inexact Rounded expx1520 exp 0.00000000000000509458922167631071416948112219512224 -> 1.0000000000000050945892216763236915891499324358556 Inexact Rounded expx1521 exp 6.7670394314315206378625221583973414660727960241395 -> 868.73613012822031367806248697092884415119568271315 Inexact Rounded expx1522 exp 04.823217407412963506638267226891024138054783122548 -> 124.36457929588837129731821077586705505565904205366 Inexact Rounded expx1523 exp 193.51307878701196403991208482520115359690106143615 -> 1.1006830872854715677390914655452261550768957576034E+84 Inexact Rounded expx1524 exp 5.7307749038303650539200345901210497015617393970463 -> 308.20800743106843083522721523715645950574866495196 Inexact Rounded expx1525 exp 0.00000000000095217825199797965200541169123743500267 -> 1.0000000000009521782519984329737172007991390381273 Inexact Rounded expx1526 exp 0.00027131440949183370966393682617930153495028919140 -> 1.0002713512185751022906058160480606598754913607364 Inexact Rounded expx1527 exp 0.00000000064503059114680682343002315662069272707123 -> 1.0000000006450305913548390552323517403613135496633 Inexact Rounded expx1528 exp 0.00000000000000095616643506527288866235238548440593 -> 1.0000000000000009561664350652733457894781582009094 Inexact Rounded expx1529 exp 0.00000000000000086449942811678650244459550252743433 -> 1.0000000000000008644994281167868761242261096529986 Inexact Rounded expx1530 exp 0.06223488355635359965683053157729204988381887621850 -> 1.0642122813392406657789688931838919323826250630831 Inexact Rounded expx1531 exp 0.00000400710807804429435502657131912308680674057053 -> 1.0000040071161065125925620890019319832127863559260 Inexact Rounded expx1532 exp 85.522796894744576211573232055494551429297878413017 -> 13870073686404228452757799770251085177.853337368935 Inexact Rounded expx1533 exp 9.1496720811363678696938036379756663548353399954363 -> 9411.3537122832743386783597629161763057370034495157 Inexact Rounded expx1534 exp 8.2215705240788294472944382056330516738577785177942 -> 3720.3406813383076953899654701615084425598377758189 Inexact Rounded expx1535 exp 0.00000000015772064569640613142823203726821076239561 -> 1.0000000001577206457088440324683315788358926129830 Inexact Rounded expx1536 exp 0.58179346473959531432624153576883440625538017532480 -> 1.7892445018275360163797022372655837188423194863605 Inexact Rounded expx1537 exp 33.555726197149525061455517784870570470833498096559 -> 374168069896324.62578073148993526626307095854407952 Inexact Rounded expx1538 exp 9.7898079803906215094140010009583375537259810398659 -> 17850.878119912208888217100998019986634620368538426 Inexact Rounded expx1539 exp 89.157697327174521542502447953032536541038636966347 -> 525649152320166503771224149330448089550.67293829227 Inexact Rounded expx1540 exp 25.022947600123328912029051897171319573322888514885 -> 73676343442.952517824345431437683153304645851960524 Inexact Rounded -- exp(1) at 34 Precision: 34 expx1200 exp 1 -> 2.718281828459045235360287471352662 Inexact Rounded -- Randoms P=34, within 0-999 Precision: 34 maxExponent: 6144 minExponent: -6143 expx1201 exp 309.5948855821510212996700645087188 -> 2.853319692901387521201738015050724E+134 Inexact Rounded expx1202 exp 9.936543068706211420422803962680164 -> 20672.15839203171877476511093276022 Inexact Rounded expx1203 exp 6.307870323881505684429839491707908 -> 548.8747777054637296137277391754665 Inexact Rounded expx1204 exp 0.0003543281389438420535201308282503 -> 1.000354390920573746164733350843155 Inexact Rounded expx1205 exp 0.0000037087453363918375598394920229 -> 1.000003708752213796324841920189323 Inexact Rounded expx1206 exp 0.0020432312687512438040222444116585 -> 1.002045320088164826013561630975308 Inexact Rounded expx1207 exp 6.856313340032177672550343216129586 -> 949.8587981604144147983589660524396 Inexact Rounded expx1208 exp 0.0000000000402094928333815643326418 -> 1.000000000040209492834189965989612 Inexact Rounded expx1209 exp 0.0049610784722412117632647003545839 -> 1.004973404997901987039589029277833 Inexact Rounded expx1210 exp 0.0000891471883724066909746786702686 -> 1.000089151162101085412780088266699 Inexact Rounded expx1211 exp 08.59979170376061890684723211112566 -> 5430.528314920905714615339273738097 Inexact Rounded expx1212 exp 9.473117039341003854872778112752590 -> 13005.36234331224953460055897913917 Inexact Rounded expx1213 exp 0.0999060724692207648429969999310118 -> 1.105067116975190602296052700726802 Inexact Rounded expx1214 exp 0.0000000927804533555877884082269247 -> 1.000000092780457659694183954740772 Inexact Rounded expx1215 exp 0.0376578583872889916298772818265677 -> 1.038375900489771946477857818447556 Inexact Rounded expx1216 exp 261.6896411697539524911536116712307 -> 4.470613562127465095241600174941460E+113 Inexact Rounded expx1217 exp 0.0709997423269162980875824213889626 -> 1.073580949235407949417814485533172 Inexact Rounded expx1218 exp 0.0000000444605583295169895235658731 -> 1.000000044460559317887627657593900 Inexact Rounded expx1219 exp 0.0000021224072854777512281369815185 -> 1.000002122409537785687390631070906 Inexact Rounded expx1220 exp 547.5174462574156885473558485475052 -> 6.078629247383807942612114579728672E+237 Inexact Rounded expx1221 exp 0.0000009067598041615192002339844670 -> 1.000000906760215268314680115374387 Inexact Rounded expx1222 exp 0.0316476500308065365803455533244603 -> 1.032153761880187977658387961769034 Inexact Rounded expx1223 exp 84.46160530377645101833996706384473 -> 4.799644995897968383503269871697856E+36 Inexact Rounded expx1224 exp 0.0000000000520599740290848018904145 -> 1.000000000052059974030439922338393 Inexact Rounded expx1225 exp 0.0000006748530640093620665651726708 -> 1.000000674853291722742292331812997 Inexact Rounded expx1226 exp 0.0000000116853119761042020507916169 -> 1.000000011685312044377460306165203 Inexact Rounded expx1227 exp 0.0022593818094258636727616886693280 -> 1.002261936135876893707094845543461 Inexact Rounded expx1228 exp 0.0029398857673478912249856509667517 -> 1.002944211469495086813087651287012 Inexact Rounded expx1229 exp 0.7511480029928802775376270557636963 -> 2.119431734510320169806976569366789 Inexact Rounded expx1230 exp 174.9431952176750671150886423048447 -> 9.481222305374955011464619468044051E+75 Inexact Rounded expx1231 exp 0.0000810612451694136129199895164424 -> 1.000081064530720924186615149646920 Inexact Rounded expx1232 exp 51.06888989702669288180946272499035 -> 15098613888619165073959.89896018749 Inexact Rounded expx1233 exp 0.0000000005992887599437093651494510 -> 1.000000000599288760123282874082758 Inexact Rounded expx1234 exp 714.8549046761054856311108828903972 -> 2.867744544891081117381595080480784E+310 Inexact Rounded expx1235 exp 0.0000000004468247802990643645607110 -> 1.000000000446824780398890556720233 Inexact Rounded expx1236 exp 831.5818151589890366323551672043709 -> 1.417077409182624969435938062261655E+361 Inexact Rounded expx1237 exp 0.0000000006868323825179605747108044 -> 1.000000000686832382753829935602454 Inexact Rounded expx1238 exp 0.0000001306740266408976840228440255 -> 1.000000130674035178748675187648098 Inexact Rounded expx1239 exp 0.3182210609022267704811502412335163 -> 1.374680115667798185758927247894859 Inexact Rounded expx1240 exp 0.0147741234179104437440264644295501 -> 1.014883800239950682628277534839222 Inexact Rounded -- Randoms P=16, within 0-99 Precision: 16 maxExponent: 384 minExponent: -383 expx1101 exp 8.473011527013724 -> 4783.900643969246 Inexact Rounded expx1102 exp 0.0000055753022764 -> 1.000005575317818 Inexact Rounded expx1103 exp 0.0000323474114482 -> 1.000032347934631 Inexact Rounded expx1104 exp 64.54374138544166 -> 1.073966476173531E+28 Inexact Rounded expx1105 exp 90.47203246416569 -> 1.956610887250643E+39 Inexact Rounded expx1106 exp 9.299931532342757 -> 10937.27033325227 Inexact Rounded expx1107 exp 8.759678437852203 -> 6372.062234495381 Inexact Rounded expx1108 exp 0.0000931755127172 -> 1.000093179853690 Inexact Rounded expx1109 exp 0.0000028101158373 -> 1.000002810119786 Inexact Rounded expx1110 exp 0.0000008008130919 -> 1.000000800813413 Inexact Rounded expx1111 exp 8.339771722299049 -> 4187.133803081878 Inexact Rounded expx1112 exp 0.0026140497995474 -> 1.002617469406750 Inexact Rounded expx1113 exp 0.7478033356261771 -> 2.112354781975418 Inexact Rounded expx1114 exp 51.77663761827966 -> 3.064135801120365E+22 Inexact Rounded expx1115 exp 0.1524989783061012 -> 1.164741272084955 Inexact Rounded expx1116 exp 0.0066298798669219 -> 1.006651906170791 Inexact Rounded expx1117 exp 9.955141865534960 -> 21060.23334287038 Inexact Rounded expx1118 exp 92.34503059198483 -> 1.273318993481226E+40 Inexact Rounded expx1119 exp 0.0000709388677346 -> 1.000070941383956 Inexact Rounded expx1120 exp 79.12883036433204 -> 2.318538899389243E+34 Inexact Rounded expx1121 exp 0.0000090881548873 -> 1.000009088196185 Inexact Rounded expx1122 exp 0.0424828809603411 -> 1.043398194245720 Inexact Rounded expx1123 exp 0.8009035891427416 -> 2.227552811933310 Inexact Rounded expx1124 exp 8.825786167283102 -> 6807.540455289995 Inexact Rounded expx1125 exp 1.535457249746275 -> 4.643448260146849 Inexact Rounded expx1126 exp 69.02254254355800 -> 9.464754500670653E+29 Inexact Rounded expx1127 exp 0.0007050554368713 -> 1.000705304046880 Inexact Rounded expx1128 exp 0.0000081206549504 -> 1.000008120687923 Inexact Rounded expx1129 exp 0.621774854641137 -> 1.862230298554903 Inexact Rounded expx1130 exp 3.847629031404354 -> 46.88177613568203 Inexact Rounded expx1131 exp 24.81250184697732 -> 59694268456.19966 Inexact Rounded expx1132 exp 5.107546500516044 -> 165.2643809755670 Inexact Rounded expx1133 exp 79.17810943951986 -> 2.435656372541360E+34 Inexact Rounded expx1134 exp 0.0051394695667015 -> 1.005152699295301 Inexact Rounded expx1135 exp 57.44504488501725 -> 8.872908566929688E+24 Inexact Rounded expx1136 exp 0.0000508388968036 -> 1.000050840189122 Inexact Rounded expx1137 exp 69.71309932148997 -> 1.888053740693541E+30 Inexact Rounded expx1138 exp 0.0064183412981502 -> 1.006438982988835 Inexact Rounded expx1139 exp 9.346991220814677 -> 11464.27802035082 Inexact Rounded expx1140 exp 33.09087139999152 -> 235062229168763.5 Inexact Rounded -- Randoms P=7, within 0-9 Precision: 7 maxExponent: 96 minExponent: -95 expx1001 exp 2.395441 -> 10.97304 Inexact Rounded expx1002 exp 0.6406779 -> 1.897767 Inexact Rounded expx1003 exp 0.5618218 -> 1.753865 Inexact Rounded expx1004 exp 3.055120 -> 21.22373 Inexact Rounded expx1005 exp 1.536792 -> 4.649650 Inexact Rounded expx1006 exp 0.0801591 -> 1.083459 Inexact Rounded expx1007 exp 0.0966875 -> 1.101516 Inexact Rounded expx1008 exp 0.0646761 -> 1.066813 Inexact Rounded expx1009 exp 0.0095670 -> 1.009613 Inexact Rounded expx1010 exp 2.956859 -> 19.23745 Inexact Rounded expx1011 exp 7.504679 -> 1816.522 Inexact Rounded expx1012 exp 0.0045259 -> 1.004536 Inexact Rounded expx1013 exp 3.810071 -> 45.15364 Inexact Rounded expx1014 exp 1.502390 -> 4.492413 Inexact Rounded expx1015 exp 0.0321523 -> 1.032675 Inexact Rounded expx1016 exp 0.0057214 -> 1.005738 Inexact Rounded expx1017 exp 9.811445 -> 18241.33 Inexact Rounded expx1018 exp 3.245249 -> 25.66810 Inexact Rounded expx1019 exp 0.3189742 -> 1.375716 Inexact Rounded expx1020 exp 0.8621610 -> 2.368273 Inexact Rounded expx1021 exp 0.0122511 -> 1.012326 Inexact Rounded expx1022 exp 2.202088 -> 9.043877 Inexact Rounded expx1023 exp 8.778203 -> 6491.202 Inexact Rounded expx1024 exp 0.1896279 -> 1.208800 Inexact Rounded expx1025 exp 0.4510947 -> 1.570030 Inexact Rounded expx1026 exp 0.276413 -> 1.318392 Inexact Rounded expx1027 exp 4.490067 -> 89.12742 Inexact Rounded expx1028 exp 0.0439786 -> 1.044960 Inexact Rounded expx1029 exp 0.8168245 -> 2.263301 Inexact Rounded expx1030 exp 0.0391658 -> 1.039943 Inexact Rounded expx1031 exp 9.261816 -> 10528.24 Inexact Rounded expx1032 exp 9.611186 -> 14930.87 Inexact Rounded expx1033 exp 9.118125 -> 9119.087 Inexact Rounded expx1034 exp 9.469083 -> 12953.00 Inexact Rounded expx1035 exp 0.0499983 -> 1.051269 Inexact Rounded expx1036 exp 0.0050746 -> 1.005087 Inexact Rounded expx1037 exp 0.0014696 -> 1.001471 Inexact Rounded expx1038 exp 9.138494 -> 9306.739 Inexact Rounded expx1039 exp 0.0065436 -> 1.006565 Inexact Rounded expx1040 exp 0.7284803 -> 2.071930 Inexact Rounded
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