MikeMcl_decimal.js/test/modules/tan.js

if (typeof T === 'undefined') require('../setup');

T('tan', function () {

  function t(n, pr, rm, expected) {
    Decimal.precision = pr;
    Decimal.rounding = rm;
    T.assertEqual(expected, new Decimal(n).tan().valueOf());
  }

  Decimal.config({
    precision: 40,
    rounding: 4,
    toExpNeg: -9e15,
    toExpPos: 9e15,
    minE: -9e15,
    maxE: 9e15
  });

  t('NaN', 40, 4, 'NaN');
  t('0', 20, 4, '0');
  t('-0', 20, 4, '-0');
  t('Infinity', 40, 4, 'NaN');
  t('-Infinity', 40, 4, 'NaN');

  t('3', 5, 5, '-0.14255');
  t('0.8', 7, 6, '1.029639');
  t('539998661123466984649191689138494900416386817996524', 7, 6, '32.04695');
  t('0.5172293543584894071801901902', 5, 1, '0.56888');
  t('5', 10, 5, '-3.380515006');
  t('0.5283979979897015', 1, 4, '0.6');
  t('0.032294', 4, 5, '0.03231');
  t('6339441327243052114957865586706124503.386166832963015135918043343179', 7, 0, '-0.06666567');
  t('0.9483926380646355642560348839879277', 4, 6, '1.394');
  t('0.4989999', 7, 6, '0.5450046');
  t('80', 8, 6, '9.0036549');
  t('9', 2, 0, '-0.46');
  t('710.0571640039', 2, 2, '0.058');
  t('2485', 2, 0, '0.00022');
  t('1', 8, 1, '1.5574077');
  t('1683930704126586032365374681825182443446390958574678366195884605194996193', 6, 1, '-0.540063');
  t('4', 7, 2, '1.157822');
  t('488888888888999.88888888406189896488888888888', 9, 0, '5.10971582');
  t('0.76322415', 7, 0, '0.9566071');
  t('0.005', 4, 2, '0.005001');
  t('0.313', 9, 6, '0.323638526');
  t('9798000000100000070000000000010007300', 5, 0, '1.1308');
  t('0.0000002', 2, 0, '0.00000021');
  t('7.9548', 4, 1, '-9.885');
  t('7', 5, 1, '0.87144');
  t('50080000', 10, 3, '0.3252122977');
  t('1687619439340503284670339680.931590414877', 6, 6, '-4.69126');
  t('60970535.5', 3, 1, '0.804');
  t('0.17', 3, 2, '0.172');
  t('0.5', 5, 6, '0.5463');
  t('976.8', 2, 0, '-0.24');
  t('5957.69', 6, 0, '2.82277');
  t('3859393443331162786655368.87986161531415848272022672234461227844', 3, 6, '0.47');
  t('0.5', 1, 5, '0.5');
  t('468455006548968895675682202443647176252098177665257898933', 5, 5, '-1.4111');
  t('26588816756666', 1, 2, '0.07');
  t('0.239424045403994683949187909216', 5, 2, '0.24411');
  t('810209.109', 6, 6, '-4.52238');
  t('799063368.11558288974072', 1, 2, '-0.9');
  t('72.3640503', 7, 2, '0.1078344');
  t('843003462755848631687717888604', 5, 5, '-1.1699');
  t('90706.61', 3, 2, '-0.676');
  t('0.1', 7, 5, '0.1003347');
  t('29555.88888888888885555555', 9, 5, '-0.218161582');
  t('3079999999999999999999.999949999999999999999999999999999999999999999', 2, 5, '1.6');
  t('6', 3, 4, '-0.291');
  t('9.648589238187519', 7, 0, '0.2276248');
  t('590.89', 7, 1, '0.2773838');
  t('807876335', 9, 2, '0.965588602');
  t('32099561.989', 8, 4, '-0.24584079');
  t('7743398777777777777777733.77', 3, 2, '-0.526');
  t('45.52', 5, 2, '30.207');
  t('399999999999999999999999999999999999999999999999909999999999.99999999999999', 4, 4, '1.742');
  t('32400', 3, 2, '0.941');
  t('4152914444444444444444444544444444444444444444444444444.944444444440444442444494444444444', 9, 0, '-0.101470716');
  t('90000000000508319.117628510842726222', 5, 0, '5.1435');
  t('0.0074072', 8, 3, '0.0074073354');
  t('0.413272', 4, 5, '0.4385');
  t('0.8633', 10, 3, '1.169338115');
  t('33333333333333333333333333333.33333333333333333333', 8, 2, '0.5813679');
  t('562', 10, 0, '-0.3594685138');
  t('6433373233.39333336638333334', 5, 4, '-1.383');
  t('233333333331549444444444.09076555555555555', 10, 4, '-5.305366526');
  t('40', 9, 2, '-1.11721493');
  t('906287052558597992196230844623', 10, 1, '0.3528425701');
  t('900000', 4, 6, '-0.3334');
  t('57777777777.88888888887777777428970596211366', 13, 1, '4.620958871418');
  t('33109173612614237', 15, 1, '0.697054002938309');
  t('446571', 8, 4, '-0.11299979');
  t('55.33', 25, 1, '-2.721513818553435443556001');
  t('0.6874', 3, 4, '0.821');
  t('97415551555.55555655655655554555555855555', 38, 6, '0.63497857004739965579501336949790595112');
  t('3052744161971196989887333333333333333', 15, 0, '2.3893665412711');
  t('20083.4596122', 37, 0, '-0.9171727446291034528773430723329592848');
  t('9200', 30, 3, '6.43843719089952501300840146253');
  t('1', 23, 0, '1.557407724654902230507');
  t('78887888588.8', 15, 5, '-0.0613791279629461');
  t('1147231', 8, 4, '-0.097582634');
  t('0.000553763344', 27, 4, '0.000553763400604559119913346525');
  t('68', 24, 1, '-2.04008159801594615389349');
  t('49999999999999999999999999999999999999999999999999999999.399999999999999999992702', 15, 2, '-4.12257063808152');
  t('49999999999999999999999999999999999999999999999999999.99999999999999999999999999999', 38, 6, '-0.41507238166911582158673379470559517419');
  t('0.00000391163258651029507727', 31, 2, '0.000003911632586530245537172208314767');
  t('0.17183171313', 36, 4, '0.173543103883274147884533120728007237');
  t('861646.5732966967557082', 34, 2, '-2.464947656728891301675656852697406');
  t('47777777777777777.410171', 105, 5, '-13.74058038972407219477409398839850580956304359987902889186211451339313466403485175336849944968942741891');
  t('0.390071731702448005162815294909486174474947036240529240590971978418532990165699316733956931596883519677657915509998387416505531185920438999174869181240110048120035540672577', 63, 1, '0.411138769556421473902517663320961167226706740351370710111315144');
  t('23174769554', 70, 3, '0.2212756420749658903960662285747816321880538429001022336777294070264195');
  t('0.5592', 74, 1, '0.625835640923790139625307834841776614566589496394316390500913130105766275');
  t('6661489439437775791.114329793186996632507954406585491', 17, 5, '-1.5847845023422794');
  t('4391137181720764819571909798888888888888888888', 86, 1, '-0.8685635418477878118403689813703497084174127945629019783498553011616589497613259649227');
  t('300000000000000000000000000000000000000000000000000000000000000000000000000200000000400300000000000000000000000000000.0000000000000000000000000000000000000000000000000003', 122, 3, '-1.5903229154055637520787252214804110216069360069379104488574199058901135519171083962076619886567087892277814852998414939069');
  t('6587685840713754402278094276205491723366077405819490595067025408026873250375623638673063957701601231', 107, 3, '0.88106648906135934944047838538886082156746682725824571546159607795133625640190620741982638843180493222615294');
  t('0.524217411165998018391262237830297491516856805040463896080592290487405064611025001607311512479709354535407130581948832593516281243820812174844723190311545869854968531247730387537943969800839367585396013641826800875467649274673709974876292276089324234102809573076731030535244688816', 76, 3, '0.5781754114340578960371795632804762026798421163023137415437904934165060267084');
  t('323646192595.4845', 127, 6, '-0.3747612268270038347175054875779625030989108207803221587812055629899198693615407534041949990189331417585285760850333254670480789');
});