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468 lines
27 KiB
Plaintext
468 lines
27 KiB
Plaintext
9 years ago
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------------------------------------------------------------------------
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-- ln0.decTest -- decimal natural logarithm subset --
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-- Copyright (c) IBM Corporation, 2005, 2008. All rights reserved. --
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------------------------------------------------------------------------
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-- Please see the document "General Decimal Arithmetic Testcases" --
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-- at http://www2.hursley.ibm.com/decimal for the description of --
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-- these testcases. --
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-- --
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-- These testcases are experimental ('beta' versions), and they --
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-- may contain errors. They are offered on an as-is basis. In --
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-- particular, achieving the same results as the tests here is not --
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-- a guarantee that an implementation complies with any Standard --
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-- or specification. The tests are not exhaustive. --
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-- --
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-- Please send comments, suggestions, and corrections to the author: --
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-- Mike Cowlishaw, IBM Fellow --
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-- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK --
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-- mfc@uk.ibm.com --
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------------------------------------------------------------------------
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version: 2.58
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extended: 0
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precision: 16
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rounding: half_up
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maxExponent: 384
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minexponent: -383
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-- basics (examples in specification, etc.)
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ln0001 ln 0 -> ? Invalid_operation
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ln0002 ln 1E-9 -> -20.72326583694641 Inexact Rounded
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ln0003 ln 0.0007 -> -7.264430222920869 Inexact Rounded
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ln0004 ln 0.1 -> -2.302585092994046 Inexact Rounded
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ln0005 ln 0.7 -> -0.3566749439387324 Inexact Rounded
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ln0006 ln 1 -> 0
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ln0007 ln 1.5 -> 0.4054651081081644 Inexact Rounded
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ln0008 ln 2 -> 0.6931471805599453 Inexact Rounded
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ln0009 ln 2.718281828459045 -> 0.9999999999999999 Inexact Rounded
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ln0010 ln 2.718281828459046 -> 1.000000000000000 Inexact Rounded
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ln0011 ln 2.718281828459047 -> 1.000000000000001 Inexact Rounded
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ln0012 ln 10 -> 2.302585092994046 Inexact Rounded
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ln0013 ln 10.5 -> 2.351375257163478 Inexact Rounded
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ln0014 ln 9999 -> 9.210240366975849 Inexact Rounded
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ln0015 ln 1E6 -> 13.81551055796427 Inexact Rounded
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ln0016 ln 1E+9 -> 20.72326583694641 Inexact Rounded
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-- notable cases
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-- negatives
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ln0021 ln -1E-9 -> ? Invalid_operation
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ln0022 ln -0.0007 -> ? Invalid_operation
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ln0023 ln -0.1 -> ? Invalid_operation
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ln0024 ln -0.7 -> ? Invalid_operation
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ln0025 ln -1 -> ? Invalid_operation
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ln0026 ln -1.5 -> ? Invalid_operation
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ln0027 ln -2 -> ? Invalid_operation
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ln0029 ln -10.5 -> ? Invalid_operation
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ln0028 ln -9999 -> ? Invalid_operation
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ln0030 ln -2.718281828459045 -> ? Invalid_operation
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ln0031 ln -2.718281828459046 -> ? Invalid_operation
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ln0032 ln -0 -> ? Invalid_operation
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ln0033 ln -0E+17 -> ? Invalid_operation
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ln0034 ln -0E-17 -> ? Invalid_operation
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-- other zeros
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ln0041 ln 0 -> ? Invalid_operation
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ln0042 ln 0E+17 -> ? Invalid_operation
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ln0043 ln 0E-17 -> ? Invalid_operation
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-- ones
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ln0050 ln 1 -> 0
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ln0051 ln 1.0 -> 0
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ln0052 ln 1.000000000000000 -> 0
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ln0053 ln 1.000000000000000000 -> 0 Rounded
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ln0054 ln 1.000000000000000001 -> 0 Rounded Lost_digits Inexact
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-- lower precision basics
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Precision: 7
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ln0101 ln 0 -> ? Invalid_operation
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ln0102 ln 1E-9 -> -20.72327 Inexact Rounded
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ln0103 ln 0.0007 -> -7.264430 Inexact Rounded
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ln0104 ln 0.1 -> -2.302585 Inexact Rounded
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ln0105 ln 0.7 -> -0.3566749 Inexact Rounded
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ln0106 ln 1 -> 0
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ln0107 ln 1.5 -> 0.4054651 Inexact Rounded
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ln0108 ln 2 -> 0.6931472 Inexact Rounded
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ln0111 ln 2.718282 -> 1.000000 Inexact Rounded
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ln0112 ln 10 -> 2.302585 Inexact Rounded
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ln0113 ln 10.5 -> 2.351375 Inexact Rounded
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ln0114 ln 9999 -> 9.210240 Inexact Rounded
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ln0115 ln 1E6 -> 13.81551 Inexact Rounded
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ln0116 ln 1E+9 -> 20.72327 Inexact Rounded
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-- extreme input range values
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maxExponent: 384
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minExponent: -383
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Precision: 16
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ln0901 ln 1e-400 -> -921.0340371976183 Inexact Rounded
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ln0902 ln 1e+400 -> 921.0340371976183 Inexact Rounded
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ln0903 ln 1e-999999 -> -2302582.790408953 Inexact Rounded
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ln0904 ln 1e+999999 -> 2302582.790408953 Inexact Rounded
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ln0905 ln 1e-1000013 -> -2302615.026600255 Inexact Rounded
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ln0906 ln 2e-1000013 -> -2302614.333453074 Inexact Rounded
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ln0910 ln 9.999999e+999999 -> 2302585.092993946 Inexact Rounded
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ln0911 ln 9.9999999e+999999 -> 2302585.092994036 Inexact Rounded
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ln0912 ln 9.99999999e+999999 -> 2302585.092994045 Inexact Rounded
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ln0913 ln 9.999999999e+999999 -> 2302585.092994046 Inexact Rounded
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ln0914 ln 9.999999999999e+999999 -> 2302585.092994046 Inexact Rounded
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ln0915 ln 9.999999999999999e+999999 -> 2302585.092994046 Inexact Rounded
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ln0916 ln 9.999999999999999999999999e+999999 -> ? Lost_digits Overflow Inexact Rounded
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-- randoms
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-- P=50, within 0-999
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Precision: 50
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maxExponent: 384
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minExponent: -383
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ln1501 ln 0.00098800906574486388604608477869812518857023768951 -> -6.9198186844033787995945147836955586009548513043689 Inexact Rounded
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ln1502 ln 158.15866624664623070184595045304145949900714987827 -> 5.0635987458895647454907806507503825602758392287684 Inexact Rounded
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ln1503 ln 0.00565661412059571925040285814021799775249288309321 -> -5.1749297776760632102047540300491550931651318975237 Inexact Rounded
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ln1504 ln 0.00000006914232532620489602008402091666547903180607 -> -16.487098770877825308138976818688771638172333034347 Inexact Rounded
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ln1505 ln 0.00025380374621297657504661540749355251231770070723 -> -8.2789492423005003205242162741569033124260321954589 Inexact Rounded
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ln1506 ln 83.033654063877426261108592599182418953442677554806 -> 4.4192459962647137976949249810815698465031609843669 Inexact Rounded
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ln1507 ln 0.00000000416863228092481651627734668440663678118729 -> -19.295677845122141772791294599714950175284915666430 Inexact Rounded
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ln1508 ln 0.00000140847873187820570181214271960511080523457669 -> -13.473000349581967189668305314384952251556809480339 Inexact Rounded
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ln1509 ln 66.176106555181527101630351127583944689752069132522 -> 4.1923194696232505883666171116966137694013431504252 Inexact Rounded
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ln1510 ln 0.00000000000009899043487403590900111602024562297908 -> -29.943753166877840985821508112917991506656545174163 Inexact Rounded
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ln1511 ln 0.00000000000324618296721747097510453388683912733569 -> -26.453541281444586819009546418577507163362590139422 Inexact Rounded
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ln1512 ln 72.646968818463546449499147579023555008392860423385 -> 4.2856116660689646882852128853423566276718230426479 Inexact Rounded
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ln1513 ln 0.00000000000000066755483124635612574263153825990523 -> -34.942910142802769319262875080398852491588707172483 Inexact Rounded
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ln1514 ln 61.002910447202398204114909451851111424657671911002 -> 4.1109215752843377323363182051446177066434038096529 Inexact Rounded
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ln1515 ln 917.06917611331980999227893584010544542312239174774 -> 6.8211829068303114128752453661946446979787826282907 Inexact Rounded
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ln1516 ln 0.00000000170823794883673083358549749078972003965194 -> -20.187803436976150477297246666771626827057191023004 Inexact Rounded
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ln1517 ln 0.53731767845358224445809761315159249898566542910649 -> -0.62116577939968409211736413628236285160048357000961 Inexact Rounded
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ln1518 ln 0.00000000000000008965291392882804161299758708033373 -> -36.950585970980857376081265073276303670820056916206 Inexact Rounded
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ln1519 ln 0.00000000006990244916026429904498278982530170295668 -> -23.383920429244457578373523508427783144589480420753 Inexact Rounded
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ln1520 ln 4.0312542977070300070506064666536478373801988540614 -> 1.3940775676592451945795752796421391871302024763305 Inexact Rounded
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ln1521 ln 271.84991311551875601432518819562391699324632396423 -> 5.6052501239873862517916679747146539808077431873478 Inexact Rounded
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ln1522 ln 7.4118671629373864667229445746862314443895404818689 -> 2.0030823863706344628239147639318289961917060121141 Inexact Rounded
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ln1523 ln 0.00000000000002026311452625364905357321664186034258 -> -31.529974180054438792043856877314043794320951134754 Inexact Rounded
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ln1524 ln 0.00000000000009563398651261756952398250624737809347 -> -29.978248130576972953141284136962670021368834792579 Inexact Rounded
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ln1525 ln 0.00000000009556772669409858653026558223465197808991 -> -23.071185939748285541228206161472956661196956741186 Inexact Rounded
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ln1526 ln 6.8441648298027301292342057248737326152250794026761 -> 1.9233964395801946597272589473417948024361005082908 Inexact Rounded
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ln1527 ln 0.00000000000073059699884439979394945822035704264577 -> -27.944914388353724718836101828677771967128509603158 Inexact Rounded
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ln1528 ln 0.00000000000000002610078280419082263138064745416787 -> -38.184566367516207885573773320135965798717120735115 Inexact Rounded
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ln1529 ln 0.00000000000000000150259517166294243088546806083283 -> -41.039337946266676108538170837580051699618334928421 Inexact Rounded
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ln1530 ln 0.00000000000000087919160541714580707181969708502091 -> -34.667528818827671507514319744047440696187358676848 Inexact Rounded
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ln1531 ln 0.00000000000395726725120787763271849577708068584598 -> -26.255467416961357741818735787226671938678424748431 Inexact Rounded
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ln1532 ln 0.00000000002014334901669366218018377213150715938355 -> -24.628146955635359035289123027319969201693737159108 Inexact Rounded
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ln1533 ln 0.00000008097927101101093117753938766241442896030637 -> -16.329072628469715178637178365710373398203190937454 Inexact Rounded
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ln1534 ln 0.00000000000017115834162632864392039668116243984176 -> -29.396187292434898225453626794459285157263177528034 Inexact Rounded
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ln1535 ln 0.39168317593866334087305459933723864294857086105035 -> -0.93730199062757240485836637306785037368746737693029 Inexact Rounded
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ln1536 ln 79.335036798971515026519630103325369729637514127617 -> 4.3736798570287828823772149735170431010616961976965 Inexact Rounded
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ln1537 ln 0.00000000000000056004952129926137413602116591493625 -> -35.118506463181870020730685884333000241039028127213 Inexact Rounded
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ln1538 ln 0.00000006006035907843890918832481099660639553666078 -> -16.627915795747112566532705974853114454405010472043 Inexact Rounded
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ln1539 ln 0.00000000085242024937414906371333826574632450587590 -> -20.882941460268101080186482230657774997273494107221 Inexact Rounded
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ln1540 ln 0.00000000000043671099499262350316173246550771951561 -> -28.459504757285639221776305968469058854558726593945 Inexact Rounded
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-- P=34, within 0-999
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Precision: 34
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ln1201 ln 0.0086732880815927182997566810334394 -> -4.747507311920844752486938187973721 Inexact Rounded
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ln1202 ln 0.0007104103693460260609792222569854 -> -7.249667769903503023005549250347695 Inexact Rounded
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ln1203 ln 786.8398945385105190697541493392742 -> 6.668024790031836340471824147010546 Inexact Rounded
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ln1204 ln 0.7723073620282687656895190171967399 -> -0.2583726708506850868786816238217326 Inexact Rounded
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ln1205 ln 0.0061057951517197631287183938412200 -> -5.098516933918797347064454103742635 Inexact Rounded
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ln1206 ln 0.6181379708184393730103917562498745 -> -0.4810435926903365087463387760350021 Inexact Rounded
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ln1207 ln 09.13888261229039989110753389096760 -> 2.212538125507975574509563027696021 Inexact Rounded
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ln1208 ln 802.0105417063143696497292158147174 -> 6.687121752052341737234832203350214 Inexact Rounded
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ln1209 ln 778.7749710387773713523028497333058 -> 6.657722135126935472086625031413031 Inexact Rounded
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ln1210 ln 0.0024457295895346502513567679390616 -> -6.013411799940245345321348290398517 Inexact Rounded
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ln1211 ln 0.0000511296947872828310338864217860 -> -9.881145118237281798081573131711636 Inexact Rounded
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ln1212 ln 0.0000246803508602554924938685155658 -> -10.60950314264825661825360971430218 Inexact Rounded
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ln1213 ln 9.027898199253511668242977766616082 -> 2.200319582778899029786017830557293 Inexact Rounded
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ln1214 ln 0.0991812396542505631850692800904188 -> -2.310806398964672258823043180400384 Inexact Rounded
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ln1215 ln 0.0000000000070238810143028811223924 -> -25.68170519961636647174714538290075 Inexact Rounded
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ln1216 ln 2.630101665342826494730394729313167 -> 0.9670225014664367465128243039749559 Inexact Rounded
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ln1217 ln 0.0056878928594359587691526063254683 -> -5.169415422904037819736637399445096 Inexact Rounded
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ln1218 ln 567.3436047121057843908106573095590 -> 6.340965124964258486463444360787970 Inexact Rounded
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ln1219 ln 1.199291248124655996614605745649725 -> 0.1817307557425911805765087755675657 Inexact Rounded
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ln1220 ln 25.02050448582031098696267479135557 -> 3.219695668137659139544178905459317 Inexact Rounded
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ln1221 ln 0.0000000000009939597023558756961300 -> -27.63707972996537636504396558259058 Inexact Rounded
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ln1222 ln 0.0000007988551670159429716506430403 -> -14.04008617542597230988198612376415 Inexact Rounded
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ln1223 ln 4.681515800176129184873770605589795 -> 1.543621946415383338972124445445748 Inexact Rounded
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ln1224 ln 15.95126669161103011206658749345781 -> 2.769538242479483539275986395443539 Inexact Rounded
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ln1225 ln 0.0301626783922211213675457279076066 -> -3.501149933677283341023932281826341 Inexact Rounded
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ln1226 ln 000.0040544064881821770528475185674 -> -5.507950967557021671647165889608324 Inexact Rounded
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ln1227 ln 29.01617095935593792095913785100360 -> 3.367853293862745651888450004473297 Inexact Rounded
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ln1228 ln 78.01836167344736733024804243195323 -> 4.356944205055768575987781375003992 Inexact Rounded
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ln1229 ln 0.0000000096545319316965321158634893 -> -18.45583840160965814462095477365013 Inexact Rounded
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ln1230 ln 97.95475237720579752770587185074428 -> 4.584505661612812742208619358214729 Inexact Rounded
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ln1231 ln 528.0609262050423246402564228432371 -> 6.269211667589138113396583894315956 Inexact Rounded
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ln1232 ln 0.0000002250064349732969696660452972 -> -15.30713683526963996712167701738724 Inexact Rounded
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ln1233 ln 47.97063637767998658567199049725754 -> 3.870589081585660692195989854842372 Inexact Rounded
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ln1234 ln 0.0005394311344541432318853513414361 -> -7.524995428393925934087126702974121 Inexact Rounded
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ln1235 ln 0.0000000090973385649567471674972633 -> -18.51528393158931783447035004125791 Inexact Rounded
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ln1236 ln 0.0000000000238776490227576197317977 -> -24.45807828188389561331158879207262 Inexact Rounded
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ln1237 ln 0.0000236587000231921532145326218758 -> -10.65177964499823314952429277979034 Inexact Rounded
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ln1238 ln 499.1277448846130709827154556125942 -> 6.212862064761427967461188083514774 Inexact Rounded
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ln1239 ln 0.0000003960192300284787663712417647 -> -14.74180306619298548093697608293284 Inexact Rounded
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ln1240 ln 41.08268350829477451667228892495136 -> 3.715586706887278039173584859218960 Inexact Rounded
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-- P=16, within 0-99
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Precision: 16
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ln1101 ln 7.964875261033948 -> 2.075041282352241 Inexact Rounded
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ln1102 ln 13.54527396845394 -> 2.606037701870263 Inexact Rounded
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ln1103 ln 0.0008026554341331 -> -7.127585034321814 Inexact Rounded
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ln1104 ln 0.0000030582233261 -> -12.69767642300625 Inexact Rounded
|
||
|
|
ln1105 ln 0.0004477497509672 -> -7.711276073210766 Inexact Rounded
|
||
|
|
ln1106 ln 7.616268622474371 -> 2.030286567675148 Inexact Rounded
|
||
|
|
ln1107 ln 51.58329925806381 -> 3.943197962309569 Inexact Rounded
|
||
|
|
ln1108 ln 0.0018197497951263 -> -6.309056262549345 Inexact Rounded
|
||
|
|
ln1109 ln 2.956282457072984 -> 1.083932552334575 Inexact Rounded
|
||
|
|
ln1110 ln 0.3843325579189906 -> -0.9562470649400558 Inexact Rounded
|
||
|
|
ln1111 ln 0.0074466329265663 -> -4.899993304919237 Inexact Rounded
|
||
|
|
ln1112 ln 0.0003372478532993 -> -7.994692428206378 Inexact Rounded
|
||
|
|
ln1113 ln 0.0084792263167809 -> -4.770136069569271 Inexact Rounded
|
||
|
|
ln1114 ln 5.926756998151102 -> 1.779477182834305 Inexact Rounded
|
||
|
|
ln1115 ln 9.025699152180897 -> 2.200075969604119 Inexact Rounded
|
||
|
|
ln1116 ln 1.910124643533526 -> 0.6471684983238183 Inexact Rounded
|
||
|
|
ln1117 ln 0.8158922711411020 -> -0.2034729533939387 Inexact Rounded
|
||
|
|
ln1118 ln 0.0067080016475322 -> -5.004454189414139 Inexact Rounded
|
||
|
|
ln1119 ln 0.0047583242092716 -> -5.347859729601094 Inexact Rounded
|
||
|
|
ln1120 ln 0.0386647411641339 -> -3.252827175263113 Inexact Rounded
|
||
|
|
ln1121 ln 0.0050226427841761 -> -5.293799032774131 Inexact Rounded
|
||
|
|
ln1122 ln 6.927937541637261 -> 1.935562155866906 Inexact Rounded
|
||
|
|
ln1123 ln 0.0000095745343513 -> -11.55640365579814 Inexact Rounded
|
||
|
|
ln1124 ln 1.602465492956538 -> 0.4715433763243936 Inexact Rounded
|
||
|
|
ln1125 ln 38.98415625087535 -> 3.663155313610213 Inexact Rounded
|
||
|
|
ln1126 ln 5.343182042276734 -> 1.675821363568112 Inexact Rounded
|
||
|
|
ln1127 ln 55.89763703245816 -> 4.023522107934110 Inexact Rounded
|
||
|
|
ln1128 ln 0.7445257810280847 -> -0.2950077988101030 Inexact Rounded
|
||
|
|
ln1129 ln 1.631407314946094 -> 0.4894430257201248 Inexact Rounded
|
||
|
|
ln1130 ln 0.0005462451932602 -> -7.512442611116852 Inexact Rounded
|
||
|
|
ln1131 ln 0.0000864173269362 -> -9.356322359017317 Inexact Rounded
|
||
|
|
ln1132 ln 5.227161719132849 -> 1.653868438439637 Inexact Rounded
|
||
|
|
ln1133 ln 60.57078466941998 -> 4.103812675662452 Inexact Rounded
|
||
|
|
ln1134 ln 0.0992864325333160 -> -2.309746348350318 Inexact Rounded
|
||
|
|
ln1135 ln 09.48564268447325 -> 2.249779359074983 Inexact Rounded
|
||
|
|
ln1136 ln 0.0036106089355634 -> -5.623878840650787 Inexact Rounded
|
||
|
|
ln1137 ln 1.805176865587172 -> 0.5906585734593707 Inexact Rounded
|
||
|
|
ln1138 ln 62.59363259642255 -> 4.136663557220559 Inexact Rounded
|
||
|
|
ln1139 ln 4.373828261137201 -> 1.475638657912000 Inexact Rounded
|
||
|
|
ln1140 ln 0.994483524148738 -> -0.005531747794938690 Inexact Rounded
|
||
|
|
|
||
|
|
-- P=7, within 0-9
|
||
|
|
Precision: 7
|
||
|
|
ln1001 ln 0.0912025 -> -2.394673 Inexact Rounded
|
||
|
|
ln1002 ln 0.9728626 -> -0.02751242 Inexact Rounded
|
||
|
|
ln1003 ln 0.3886032 -> -0.9451965 Inexact Rounded
|
||
|
|
ln1004 ln 8.798639 -> 2.174597 Inexact Rounded
|
||
|
|
ln1005 ln 2.459121 -> 0.8998040 Inexact Rounded
|
||
|
|
ln1006 ln 2.013193 -> 0.6997220 Inexact Rounded
|
||
|
|
ln1007 ln 9.064857 -> 2.204405 Inexact Rounded
|
||
|
|
ln1008 ln 5.796417 -> 1.757240 Inexact Rounded
|
||
|
|
ln1009 ln 0.1143471 -> -2.168517 Inexact Rounded
|
||
|
|
ln1010 ln 0.5341542 -> -0.6270707 Inexact Rounded
|
||
|
|
ln1011 ln 6.693781 -> 1.901179 Inexact Rounded
|
||
|
|
ln1012 ln 0.0081779 -> -4.806320 Inexact Rounded
|
||
|
|
ln1013 ln 8.313616 -> 2.117895 Inexact Rounded
|
||
|
|
ln1014 ln 3.486925 -> 1.249020 Inexact Rounded
|
||
|
|
ln1015 ln 0.1801401 -> -1.714020 Inexact Rounded
|
||
|
|
ln1016 ln 0.5227148 -> -0.6487193 Inexact Rounded
|
||
|
|
ln1017 ln 7.818111 -> 2.056443 Inexact Rounded
|
||
|
|
ln1018 ln 0.0870671 -> -2.441076 Inexact Rounded
|
||
|
|
ln1019 ln 8.153966 -> 2.098504 Inexact Rounded
|
||
|
|
ln1020 ln 2.040975 -> 0.7134276 Inexact Rounded
|
||
|
|
ln1021 ln 1.481642 -> 0.3931509 Inexact Rounded
|
||
|
|
ln1022 ln 0.2610123 -> -1.343188 Inexact Rounded
|
||
|
|
ln1023 ln 0.466723 -> -0.7620193 Inexact Rounded
|
||
|
|
ln1024 ln 0.0518756 -> -2.958907 Inexact Rounded
|
||
|
|
ln1025 ln 2.056410 -> 0.7209617 Inexact Rounded
|
||
|
|
ln1026 ln 0.181522 -> -1.706378 Inexact Rounded
|
||
|
|
ln1027 ln 0.515551 -> -0.6625190 Inexact Rounded
|
||
|
|
ln1028 ln 8.425089 -> 2.131214 Inexact Rounded
|
||
|
|
ln1029 ln 2.077091 -> 0.7309684 Inexact Rounded
|
||
|
|
ln1030 ln 6.212705 -> 1.826596 Inexact Rounded
|
||
|
|
ln1031 ln 5.729343 -> 1.745601 Inexact Rounded
|
||
|
|
ln1032 ln 4.831251 -> 1.575105 Inexact Rounded
|
||
|
|
ln1033 ln 2.029760 -> 0.7079176 Inexact Rounded
|
||
|
|
ln1034 ln 8.615060 -> 2.153512 Inexact Rounded
|
||
|
|
ln1035 ln 0.0611511 -> -2.794407 Inexact Rounded
|
||
|
|
ln1036 ln 5.195269 -> 1.647748 Inexact Rounded
|
||
|
|
ln1037 ln 9.617686 -> 2.263604 Inexact Rounded
|
||
|
|
ln1038 ln 0.0049382 -> -5.310754 Inexact Rounded
|
||
|
|
ln1039 ln 2.786840 -> 1.024908 Inexact Rounded
|
||
|
|
ln1040 ln 0.0091073 -> -4.698679 Inexact Rounded
|
||
|
|
|
||
|
|
-- from here 3-digit tests are based on reverse exp tests
|
||
|
|
precision: 9
|
||
|
|
rounding: half_up
|
||
|
|
maxExponent: 384
|
||
|
|
minexponent: -383
|
||
|
|
|
||
|
|
ln001 ln 0 -> ? Invalid_operation
|
||
|
|
ln002 ln 0.367879441 -> -1.00000000 Inexact Rounded
|
||
|
|
ln003 ln 1 -> 0
|
||
|
|
ln005 ln 2.71828183 -> 1.00000000 Inexact Rounded
|
||
|
|
ln006 ln 2.00000000 -> 0.693147181 Inexact Rounded
|
||
|
|
|
||
|
|
-- tiny edge cases
|
||
|
|
precision: 7
|
||
|
|
ln011 ln 1.105171 -> 0.1000001 Inexact Rounded
|
||
|
|
ln012 ln 1.010050 -> 0.009999835 Inexact Rounded
|
||
|
|
ln013 ln 1.000010 -> 0.000009999950 Inexact Rounded
|
||
|
|
ln014 ln 1.000001 -> 9.999995E-7 Inexact Rounded
|
||
|
|
ln015 ln 1.000000 -> 0
|
||
|
|
|
||
|
|
-- basic e=0, e=1, e=2, e=4, e>=8 cases
|
||
|
|
precision: 7
|
||
|
|
ln041 ln 2.718282 -> 1.000000 Inexact Rounded
|
||
|
|
ln042 ln 0.3678794 -> -1.000000 Inexact Rounded
|
||
|
|
ln043 ln 22026.47 -> 10.00000 Inexact Rounded
|
||
|
|
ln044 ln 0.00004539993 -> -10.00000 Inexact Rounded
|
||
|
|
ln045 ln 2.688117E+43 -> 100.0000 Inexact Rounded
|
||
|
|
ln046 ln 3.720076E-44 -> -100.0000 Inexact Rounded
|
||
|
|
ln048 ln 0E-389 -> ? Invalid_operation
|
||
|
|
|
||
|
|
-- miscellanea
|
||
|
|
precision: 16
|
||
|
|
ln055 ln 2.717658486884572E-236 -> -542.4103112874415 Inexact Rounded
|
||
|
|
precision: 17
|
||
|
|
ln056 ln 2.7176584868845721E-236 -> -542.41031128744146 Inexact Rounded
|
||
|
|
precision: 18
|
||
|
|
ln057 ln 2.71765848688457211E-236 -> -542.410311287441459 Inexact Rounded
|
||
|
|
precision: 19
|
||
|
|
ln058 ln 2.717658486884572112E-236 -> -542.4103112874414592 Inexact Rounded
|
||
|
|
precision: 20
|
||
|
|
ln059 ln 2.7176584868845721118E-236 -> -542.41031128744145917 Inexact Rounded
|
||
|
|
|
||
|
|
-- inputs ending in ..500.., ..499.., ..100.., ..999.. sequences
|
||
|
|
precision: 50
|
||
|
|
ln102 ln 0.9999999100000040499998785000027 -> -9.0000000000000000000000033749953829996446124861750E-8 Inexact Rounded
|
||
|
|
precision: 30
|
||
|
|
ln103 ln 0.999999910000004049999878500003 -> -8.99999999999999999999997337499E-8 Inexact Rounded
|
||
|
|
precision: 29
|
||
|
|
ln104 ln 0.99999991000000404999987850000 -> -9.0000000000000000000002733750E-8 Inexact Rounded
|
||
|
|
precision: 28
|
||
|
|
ln105 ln 0.9999999100000040499998785000 -> -9.000000000000000000000273375E-8 Inexact Rounded
|
||
|
|
precision: 27
|
||
|
|
ln106 ln 0.999999910000004049999878500 -> -9.00000000000000000000027338E-8 Inexact Rounded
|
||
|
|
precision: 26
|
||
|
|
ln107 ln 0.99999991000000404999987850 -> -9.0000000000000000000002734E-8 Inexact Rounded
|
||
|
|
precision: 25
|
||
|
|
ln108 ln 0.9999999100000040499998785 -> -9.000000000000000000000273E-8 Inexact Rounded
|
||
|
|
precision: 24
|
||
|
|
ln109 ln 0.999999910000004049999879 -> -8.99999999999999995000027E-8 Inexact Rounded
|
||
|
|
precision: 23
|
||
|
|
ln110 ln 0.99999991000000404999988 -> -8.9999999999999998500003E-8 Inexact Rounded
|
||
|
|
precision: 22
|
||
|
|
ln111 ln 0.9999999100000040499999 -> -8.999999999999997850000E-8 Inexact Rounded
|
||
|
|
precision: 21
|
||
|
|
ln112 ln 0.999999910000004050000 -> -8.99999999999998785000E-8 Inexact Rounded
|
||
|
|
precision: 20
|
||
|
|
ln113 ln 0.99999991000000405000 -> -8.9999999999999878500E-8 Inexact Rounded
|
||
|
|
precision: 19
|
||
|
|
ln114 ln 0.9999999100000040500 -> -8.999999999999987850E-8 Inexact Rounded
|
||
|
|
precision: 18
|
||
|
|
ln115 ln 0.999999910000004050 -> -8.99999999999998785E-8 Inexact Rounded
|
||
|
|
-- next is a > 0.5ulp case
|
||
|
|
precision: 17
|
||
|
|
ln116 ln 0.99999991000000405 -> -8.9999999999999879E-8 Inexact Rounded
|
||
|
|
precision: 16
|
||
|
|
ln117 ln 0.9999999100000040 -> -9.000000004999988E-8 Inexact Rounded
|
||
|
|
precision: 15
|
||
|
|
ln118 ln 0.999999910000004 -> -9.00000000499999E-8 Inexact Rounded
|
||
|
|
precision: 14
|
||
|
|
ln119 ln 0.99999991000000 -> -9.0000004050000E-8 Inexact Rounded
|
||
|
|
precision: 13
|
||
|
|
ln120 ln 0.9999999100000 -> -9.000000405000E-8 Inexact Rounded
|
||
|
|
precision: 12
|
||
|
|
ln121 ln 0.999999910000 -> -9.00000040500E-8 Inexact Rounded
|
||
|
|
precision: 11
|
||
|
|
ln122 ln 0.99999991000 -> -9.0000004050E-8 Inexact Rounded
|
||
|
|
precision: 10
|
||
|
|
ln123 ln 0.9999999100 -> -9.000000405E-8 Inexact Rounded
|
||
|
|
precision: 9
|
||
|
|
ln124 ln 0.999999910 -> -9.00000041E-8 Inexact Rounded
|
||
|
|
precision: 8
|
||
|
|
ln125 ln 0.99999991 -> -9.0000004E-8 Inexact Rounded
|
||
|
|
precision: 7
|
||
|
|
ln126 ln 0.9999999 -> -1.000000E-7 Inexact Rounded
|
||
|
|
precision: 16
|
||
|
|
ln126b ln 0.9999999 -> -1.000000050000003E-7 Inexact Rounded
|
||
|
|
precision: 6
|
||
|
|
ln127 ln 0.999999 -> -0.00000100000 Inexact Rounded
|
||
|
|
precision: 5
|
||
|
|
ln128 ln 0.99999 -> -0.000010000 Inexact Rounded
|
||
|
|
precision: 4
|
||
|
|
ln129 ln 0.9999 -> -0.0001000 Inexact Rounded
|
||
|
|
precision: 3
|
||
|
|
ln130 ln 0.999 -> -0.00100 Inexact Rounded
|
||
|
|
precision: 2
|
||
|
|
ln131 ln 0.99 -> -0.010 Inexact Rounded
|
||
|
|
precision: 1
|
||
|
|
ln132 ln 0.9 -> -0.1 Inexact Rounded
|
||
|
|
|
||
|
|
|
||
|
|
-- cases near 1 -- 1 2345678901234567890
|
||
|
|
precision: 20
|
||
|
|
ln401 ln 2.7182818284589365041 -> 0.99999999999996000000 Inexact Rounded
|
||
|
|
ln402 ln 2.7182818284589636869 -> 0.99999999999997000000 Inexact Rounded
|
||
|
|
ln403 ln 2.7182818284589908697 -> 0.99999999999997999999 Inexact Rounded
|
||
|
|
ln404 ln 2.7182818284590180525 -> 0.99999999999998999998 Inexact Rounded
|
||
|
|
ln405 ln 2.7182818284590452354 -> 1.0000000000000000000 Inexact Rounded
|
||
|
|
ln406 ln 2.7182818284593170635 -> 1.0000000000001000000 Inexact Rounded
|
||
|
|
ln407 ln 2.7182818284595888917 -> 1.0000000000002000000 Inexact Rounded
|
||
|
|
precision: 14
|
||
|
|
ln411 ln 2.7182818284589 -> 0.99999999999995 Inexact Rounded
|
||
|
|
ln413 ln 2.7182818284590 -> 0.99999999999998 Inexact Rounded
|
||
|
|
ln416 ln 2.7182818284591 -> 1.0000000000000 Inexact Rounded
|
||
|
|
ln417 ln 2.7182818284592 -> 1.0000000000001 Inexact Rounded
|
||
|
|
|
||
|
|
-- overflows, including some exp overprecise borderlines
|
||
|
|
precision: 7
|
||
|
|
maxExponent: 384
|
||
|
|
minExponent: -383
|
||
|
|
ln709 ln 9.999999E+384 -> 886.4953 Inexact Rounded
|
||
|
|
ln711 ln 9.999992E+384 -> 886.4953 Inexact Rounded
|
||
|
|
precision: 16
|
||
|
|
ln722 ln 9.999999999999999E+384 -> 886.4952608027076 Inexact Rounded
|
||
|
|
ln724 ln 9.999999999999917E+384 -> 886.4952608027076 Inexact Rounded
|
||
|
|
ln726 ln 9.999999999999117E+384 -> 886.4952608027075 Inexact Rounded
|
||
|
|
|
||
|
|
-- subnormals and underflows for exp, including underflow-to-zero edge point
|
||
|
|
precision: 7
|
||
|
|
maxExponent: 384
|
||
|
|
minExponent: -383
|
||
|
|
ln751 ln 0E-389 -> ? Invalid_operation
|
||
|
|
ln758 ln 1.000001E-383 -> -881.8901 Inexact Rounded
|
||
|
|
ln759 ln 9.99991E-384 -> -881.8901 Inexact Rounded
|
||
|
|
ln760 ln 4.4605E-385 -> -885.0000 Inexact Rounded
|
||
|
|
ln761 ln 2.221E-386 -> -887.9999 Inexact Rounded
|
||
|
|
ln762 ln 3.01E-387 -> -889.9985 Inexact Rounded
|
||
|
|
ln763 ln 1.7E-388 -> -892.8724 Inexact Rounded
|
||
|
|
ln764 ln 1.5E-388 -> -892.9976 Inexact Rounded
|
||
|
|
ln765 ln 9E-389 -> -893.5084 Inexact Rounded
|
||
|
|
ln766 ln 1E-389 -> -895.7056 Inexact Rounded
|
||
|
|
ln774 ln 0E-389 -> ? Invalid_operation
|
||
|
|
|
||
|
|
-- Invalid operations due to restrictions
|
||
|
|
-- [next two probably skipped by most test harnesses]
|
||
|
|
precision: 100000000
|
||
|
|
ln901 ln 0 -> ? Invalid_context
|
||
|
|
precision: 99999999
|
||
|
|
ln902 ln 0 -> ? Invalid_operation
|
||
|
|
|
||
|
|
precision: 9
|
||
|
|
maxExponent: 1000000
|
||
|
|
minExponent: -999999
|
||
|
|
ln903 ln 1 -> ? Invalid_context
|
||
|
|
maxExponent: 999999
|
||
|
|
minExponent: -999999
|
||
|
|
ln904 ln 0 -> ? Invalid_operation
|
||
|
|
maxExponent: 999999
|
||
|
|
minExponent: -1000000
|
||
|
|
ln905 ln 1 -> ? Invalid_context
|
||
|
|
maxExponent: 999999
|
||
|
|
minExponent: -999998
|
||
|
|
ln906 ln 0 -> ? Invalid_operation
|
||
|
|
|
||
|
|
--
|
||
|
|
maxExponent: 384
|
||
|
|
minExponent: -383
|
||
|
|
precision: 16
|
||
|
|
rounding: half_up
|
||
|
|
|
||
|
|
-- Null test
|
||
|
|
ln900 ln # -> ? Invalid_operation
|
||
|
|
|
||
|
|
|