| #include "test/jemalloc_test.h" |
| |
| #define MAX_REL_ERR 1.0e-9 |
| #define MAX_ABS_ERR 1.0e-9 |
| |
| #include <float.h> |
| |
| #ifndef INFINITY |
| #define INFINITY (DBL_MAX + DBL_MAX) |
| #endif |
| |
| static bool |
| double_eq_rel(double a, double b, double max_rel_err, double max_abs_err) |
| { |
| double rel_err; |
| |
| if (fabs(a - b) < max_abs_err) |
| return (true); |
| rel_err = (fabs(b) > fabs(a)) ? fabs((a-b)/b) : fabs((a-b)/a); |
| return (rel_err < max_rel_err); |
| } |
| |
| static uint64_t |
| factorial(unsigned x) |
| { |
| uint64_t ret = 1; |
| unsigned i; |
| |
| for (i = 2; i <= x; i++) |
| ret *= (uint64_t)i; |
| |
| return (ret); |
| } |
| |
| TEST_BEGIN(test_ln_gamma_factorial) |
| { |
| unsigned x; |
| |
| /* exp(ln_gamma(x)) == (x-1)! for integer x. */ |
| for (x = 1; x <= 21; x++) { |
| assert_true(double_eq_rel(exp(ln_gamma(x)), |
| (double)factorial(x-1), MAX_REL_ERR, MAX_ABS_ERR), |
| "Incorrect factorial result for x=%u", x); |
| } |
| } |
| TEST_END |
| |
| /* Expected ln_gamma([0.0..100.0] increment=0.25). */ |
| static const double ln_gamma_misc_expected[] = { |
| INFINITY, |
| 1.28802252469807743, 0.57236494292470008, 0.20328095143129538, |
| 0.00000000000000000, -0.09827183642181320, -0.12078223763524518, |
| -0.08440112102048555, 0.00000000000000000, 0.12487171489239651, |
| 0.28468287047291918, 0.47521466691493719, 0.69314718055994529, |
| 0.93580193110872523, 1.20097360234707429, 1.48681557859341718, |
| 1.79175946922805496, 2.11445692745037128, 2.45373657084244234, |
| 2.80857141857573644, 3.17805383034794575, 3.56137591038669710, |
| 3.95781396761871651, 4.36671603662228680, 4.78749174278204581, |
| 5.21960398699022932, 5.66256205985714178, 6.11591589143154568, |
| 6.57925121201010121, 7.05218545073853953, 7.53436423675873268, |
| 8.02545839631598312, 8.52516136106541467, 9.03318691960512332, |
| 9.54926725730099690, 10.07315123968123949, 10.60460290274525086, |
| 11.14340011995171231, 11.68933342079726856, 12.24220494005076176, |
| 12.80182748008146909, 13.36802367147604720, 13.94062521940376342, |
| 14.51947222506051816, 15.10441257307551943, 15.69530137706046524, |
| 16.29200047656724237, 16.89437797963419285, 17.50230784587389010, |
| 18.11566950571089407, 18.73434751193644843, 19.35823122022435427, |
| 19.98721449566188468, 20.62119544270163018, 21.26007615624470048, |
| 21.90376249182879320, 22.55216385312342098, 23.20519299513386002, |
| 23.86276584168908954, 24.52480131594137802, 25.19122118273868338, |
| 25.86194990184851861, 26.53691449111561340, 27.21604439872720604, |
| 27.89927138384089389, 28.58652940490193828, 29.27775451504081516, |
| 29.97288476399884871, 30.67186010608067548, 31.37462231367769050, |
| 32.08111489594735843, 32.79128302226991565, 33.50507345013689076, |
| 34.22243445715505317, 34.94331577687681545, 35.66766853819134298, |
| 36.39544520803305261, 37.12659953718355865, 37.86108650896109395, |
| 38.59886229060776230, 39.33988418719949465, 40.08411059791735198, |
| 40.83150097453079752, 41.58201578195490100, 42.33561646075348506, |
| 43.09226539146988699, 43.85192586067515208, 44.61456202863158893, |
| 45.38013889847690052, 46.14862228684032885, 46.91997879580877395, |
| 47.69417578616628361, 48.47118135183522014, 49.25096429545256882, |
| 50.03349410501914463, 50.81874093156324790, 51.60667556776436982, |
| 52.39726942748592364, 53.19049452616926743, 53.98632346204390586, |
| 54.78472939811231157, 55.58568604486942633, 56.38916764371992940, |
| 57.19514895105859864, 58.00360522298051080, 58.81451220059079787, |
| 59.62784609588432261, 60.44358357816834371, 61.26170176100199427, |
| 62.08217818962842927, 62.90499082887649962, 63.73011805151035958, |
| 64.55753862700632340, 65.38723171073768015, 66.21917683354901385, |
| 67.05335389170279825, 67.88974313718154008, 68.72832516833013017, |
| 69.56908092082363737, 70.41199165894616385, 71.25703896716800045, |
| 72.10420474200799390, 72.95347118416940191, 73.80482079093779646, |
| 74.65823634883015814, 75.51370092648485866, 76.37119786778275454, |
| 77.23071078519033961, 78.09222355331530707, 78.95572030266725960, |
| 79.82118541361435859, 80.68860351052903468, 81.55795945611502873, |
| 82.42923834590904164, 83.30242550295004378, 84.17750647261028973, |
| 85.05446701758152983, 85.93329311301090456, 86.81397094178107920, |
| 87.69648688992882057, 88.58082754219766741, 89.46697967771913795, |
| 90.35493026581838194, 91.24466646193963015, 92.13617560368709292, |
| 93.02944520697742803, 93.92446296229978486, 94.82121673107967297, |
| 95.71969454214321615, 96.61988458827809723, 97.52177522288820910, |
| 98.42535495673848800, 99.33061245478741341, 100.23753653310367895, |
| 101.14611615586458981, 102.05634043243354370, 102.96819861451382394, |
| 103.88168009337621811, 104.79677439715833032, 105.71347118823287303, |
| 106.63176026064346047, 107.55163153760463501, 108.47307506906540198, |
| 109.39608102933323153, 110.32063971475740516, 111.24674154146920557, |
| 112.17437704317786995, 113.10353686902013237, 114.03421178146170689, |
| 114.96639265424990128, 115.90007047041454769, 116.83523632031698014, |
| 117.77188139974506953, 118.70999700805310795, 119.64957454634490830, |
| 120.59060551569974962, 121.53308151543865279, 122.47699424143097247, |
| 123.42233548443955726, 124.36909712850338394, 125.31727114935689826, |
| 126.26684961288492559, 127.21782467361175861, 128.17018857322420899, |
| 129.12393363912724453, 130.07905228303084755, 131.03553699956862033, |
| 131.99338036494577864, 132.95257503561629164, 133.91311374698926784, |
| 134.87498931216194364, 135.83819462068046846, 136.80272263732638294, |
| 137.76856640092901785, 138.73571902320256299, 139.70417368760718091, |
| 140.67392364823425055, 141.64496222871400732, 142.61728282114600574, |
| 143.59087888505104047, 144.56574394634486680, 145.54187159633210058, |
| 146.51925549072063859, 147.49788934865566148, 148.47776695177302031, |
| 149.45888214327129617, 150.44122882700193600, 151.42480096657754984, |
| 152.40959258449737490, 153.39559776128982094, 154.38281063467164245, |
| 155.37122539872302696, 156.36083630307879844, 157.35163765213474107, |
| 158.34362380426921391, 159.33678917107920370, 160.33112821663092973, |
| 161.32663545672428995, 162.32330545817117695, 163.32113283808695314, |
| 164.32011226319519892, 165.32023844914485267, 166.32150615984036790, |
| 167.32391020678358018, 168.32744544842768164, 169.33210678954270634, |
| 170.33788918059275375, 171.34478761712384198, 172.35279713916281707, |
| 173.36191283062726143, 174.37212981874515094, 175.38344327348534080, |
| 176.39584840699734514, 177.40934047306160437, 178.42391476654847793, |
| 179.43956662288721304, 180.45629141754378111, 181.47408456550741107, |
| 182.49294152078630304, 183.51285777591152737, 184.53382886144947861, |
| 185.55585034552262869, 186.57891783333786861, 187.60302696672312095, |
| 188.62817342367162610, 189.65435291789341932, 190.68156119837468054, |
| 191.70979404894376330, 192.73904728784492590, 193.76931676731820176, |
| 194.80059837318714244, 195.83288802445184729, 196.86618167288995096, |
| 197.90047530266301123, 198.93576492992946214, 199.97204660246373464, |
| 201.00931639928148797, 202.04757043027063901, 203.08680483582807597, |
| 204.12701578650228385, 205.16819948264117102, 206.21035215404597807, |
| 207.25347005962987623, 208.29754948708190909, 209.34258675253678916, |
| 210.38857820024875878, 211.43552020227099320, 212.48340915813977858, |
| 213.53224149456323744, 214.58201366511514152, 215.63272214993284592, |
| 216.68436345542014010, 217.73693411395422004, 218.79043068359703739, |
| 219.84484974781133815, 220.90018791517996988, 221.95644181913033322, |
| 223.01360811766215875, 224.07168349307951871, 225.13066465172661879, |
| 226.19054832372759734, 227.25133126272962159, 228.31301024565024704, |
| 229.37558207242807384, 230.43904356577689896, 231.50339157094342113, |
| 232.56862295546847008, 233.63473460895144740, 234.70172344281823484, |
| 235.76958639009222907, 236.83832040516844586, 237.90792246359117712, |
| 238.97838956183431947, 240.04971871708477238, 241.12190696702904802, |
| 242.19495136964280846, 243.26884900298270509, 244.34359696498191283, |
| 245.41919237324782443, 246.49563236486270057, 247.57291409618682110, |
| 248.65103474266476269, 249.72999149863338175, 250.80978157713354904, |
| 251.89040220972316320, 252.97185064629374551, 254.05412415488834199, |
| 255.13722002152300661, 256.22113555000953511, 257.30586806178126835, |
| 258.39141489572085675, 259.47777340799029844, 260.56494097186322279, |
| 261.65291497755913497, 262.74169283208021852, 263.83127195904967266, |
| 264.92164979855277807, 266.01282380697938379, 267.10479145686849733, |
| 268.19755023675537586, 269.29109765101975427, 270.38543121973674488, |
| 271.48054847852881721, 272.57644697842033565, 273.67312428569374561, |
| 274.77057798174683967, 275.86880566295326389, 276.96780494052313770, |
| 278.06757344036617496, 279.16810880295668085, 280.26940868320008349, |
| 281.37147075030043197, 282.47429268763045229, 283.57787219260217171, |
| 284.68220697654078322, 285.78729476455760050, 286.89313329542699194, |
| 287.99972032146268930, 289.10705360839756395, 290.21513093526289140, |
| 291.32395009427028754, 292.43350889069523646, 293.54380514276073200, |
| 294.65483668152336350, 295.76660135076059532, 296.87909700685889902, |
| 297.99232151870342022, 299.10627276756946458, 300.22094864701409733, |
| 301.33634706277030091, 302.45246593264130297, 303.56930318639643929, |
| 304.68685676566872189, 305.80512462385280514, 306.92410472600477078, |
| 308.04379504874236773, 309.16419358014690033, 310.28529831966631036, |
| 311.40710727801865687, 312.52961847709792664, 313.65282994987899201, |
| 314.77673974032603610, 315.90134590329950015, 317.02664650446632777, |
| 318.15263962020929966, 319.27932333753892635, 320.40669575400545455, |
| 321.53475497761127144, 322.66349912672620803, 323.79292633000159185, |
| 324.92303472628691452, 326.05382246454587403, 327.18528770377525916, |
| 328.31742861292224234, 329.45024337080525356, 330.58373016603343331, |
| 331.71788719692847280, 332.85271267144611329, 333.98820480709991898, |
| 335.12436183088397001, 336.26118197919845443, 337.39866349777429377, |
| 338.53680464159958774, 339.67560367484657036, 340.81505887079896411, |
| 341.95516851178109619, 343.09593088908627578, 344.23734430290727460, |
| 345.37940706226686416, 346.52211748494903532, 347.66547389743118401, |
| 348.80947463481720661, 349.95411804077025408, 351.09940246744753267, |
| 352.24532627543504759, 353.39188783368263103, 354.53908551944078908, |
| 355.68691771819692349, 356.83538282361303118, 357.98447923746385868, |
| 359.13420536957539753 |
| }; |
| |
| TEST_BEGIN(test_ln_gamma_misc) |
| { |
| unsigned i; |
| |
| for (i = 1; i < sizeof(ln_gamma_misc_expected)/sizeof(double); i++) { |
| double x = (double)i * 0.25; |
| assert_true(double_eq_rel(ln_gamma(x), |
| ln_gamma_misc_expected[i], MAX_REL_ERR, MAX_ABS_ERR), |
| "Incorrect ln_gamma result for i=%u", i); |
| } |
| } |
| TEST_END |
| |
| /* Expected pt_norm([0.01..0.99] increment=0.01). */ |
| static const double pt_norm_expected[] = { |
| -INFINITY, |
| -2.32634787404084076, -2.05374891063182252, -1.88079360815125085, |
| -1.75068607125216946, -1.64485362695147264, -1.55477359459685305, |
| -1.47579102817917063, -1.40507156030963221, -1.34075503369021654, |
| -1.28155156554460081, -1.22652812003661049, -1.17498679206608991, |
| -1.12639112903880045, -1.08031934081495606, -1.03643338949378938, |
| -0.99445788320975281, -0.95416525314619416, -0.91536508784281390, |
| -0.87789629505122846, -0.84162123357291418, -0.80642124701824025, |
| -0.77219321418868492, -0.73884684918521371, -0.70630256284008752, |
| -0.67448975019608171, -0.64334540539291685, -0.61281299101662701, |
| -0.58284150727121620, -0.55338471955567281, -0.52440051270804067, |
| -0.49585034734745320, -0.46769879911450812, -0.43991316567323380, |
| -0.41246312944140462, -0.38532046640756751, -0.35845879325119373, |
| -0.33185334643681652, -0.30548078809939738, -0.27931903444745404, |
| -0.25334710313579978, -0.22754497664114931, -0.20189347914185077, |
| -0.17637416478086135, -0.15096921549677725, -0.12566134685507399, |
| -0.10043372051146975, -0.07526986209982976, -0.05015358346473352, |
| -0.02506890825871106, 0.00000000000000000, 0.02506890825871106, |
| 0.05015358346473366, 0.07526986209982990, 0.10043372051146990, |
| 0.12566134685507413, 0.15096921549677739, 0.17637416478086146, |
| 0.20189347914185105, 0.22754497664114931, 0.25334710313579978, |
| 0.27931903444745404, 0.30548078809939738, 0.33185334643681652, |
| 0.35845879325119373, 0.38532046640756762, 0.41246312944140484, |
| 0.43991316567323391, 0.46769879911450835, 0.49585034734745348, |
| 0.52440051270804111, 0.55338471955567303, 0.58284150727121620, |
| 0.61281299101662701, 0.64334540539291685, 0.67448975019608171, |
| 0.70630256284008752, 0.73884684918521371, 0.77219321418868492, |
| 0.80642124701824036, 0.84162123357291441, 0.87789629505122879, |
| 0.91536508784281423, 0.95416525314619460, 0.99445788320975348, |
| 1.03643338949378938, 1.08031934081495606, 1.12639112903880045, |
| 1.17498679206608991, 1.22652812003661049, 1.28155156554460081, |
| 1.34075503369021654, 1.40507156030963265, 1.47579102817917085, |
| 1.55477359459685394, 1.64485362695147308, 1.75068607125217102, |
| 1.88079360815125041, 2.05374891063182208, 2.32634787404084076 |
| }; |
| |
| TEST_BEGIN(test_pt_norm) |
| { |
| unsigned i; |
| |
| for (i = 1; i < sizeof(pt_norm_expected)/sizeof(double); i++) { |
| double p = (double)i * 0.01; |
| assert_true(double_eq_rel(pt_norm(p), pt_norm_expected[i], |
| MAX_REL_ERR, MAX_ABS_ERR), |
| "Incorrect pt_norm result for i=%u", i); |
| } |
| } |
| TEST_END |
| |
| /* |
| * Expected pt_chi2(p=[0.01..0.99] increment=0.07, |
| * df={0.1, 1.1, 10.1, 100.1, 1000.1}). |
| */ |
| static const double pt_chi2_df[] = {0.1, 1.1, 10.1, 100.1, 1000.1}; |
| static const double pt_chi2_expected[] = { |
| 1.168926411457320e-40, 1.347680397072034e-22, 3.886980416666260e-17, |
| 8.245951724356564e-14, 2.068936347497604e-11, 1.562561743309233e-09, |
| 5.459543043426564e-08, 1.114775688149252e-06, 1.532101202364371e-05, |
| 1.553884683726585e-04, 1.239396954915939e-03, 8.153872320255721e-03, |
| 4.631183739647523e-02, 2.473187311701327e-01, 2.175254800183617e+00, |
| |
| 0.0003729887888876379, 0.0164409238228929513, 0.0521523015190650113, |
| 0.1064701372271216612, 0.1800913735793082115, 0.2748704281195626931, |
| 0.3939246282787986497, 0.5420727552260817816, 0.7267265822221973259, |
| 0.9596554296000253670, 1.2607440376386165326, 1.6671185084541604304, |
| 2.2604828984738705167, 3.2868613342148607082, 6.9298574921692139839, |
| |
| 2.606673548632508, 4.602913725294877, 5.646152813924212, |
| 6.488971315540869, 7.249823275816285, 7.977314231410841, |
| 8.700354939944047, 9.441728024225892, 10.224338321374127, |
| 11.076435368801061, 12.039320937038386, 13.183878752697167, |
| 14.657791935084575, 16.885728216339373, 23.361991680031817, |
| |
| 70.14844087392152, 80.92379498849355, 85.53325420085891, |
| 88.94433120715347, 91.83732712857017, 94.46719943606301, |
| 96.96896479994635, 99.43412843510363, 101.94074719829733, |
| 104.57228644307247, 107.43900093448734, 110.71844673417287, |
| 114.76616819871325, 120.57422505959563, 135.92318818757556, |
| |
| 899.0072447849649, 937.9271278858220, 953.8117189560207, |
| 965.3079371501154, 974.8974061207954, 983.4936235182347, |
| 991.5691170518946, 999.4334123954690, 1007.3391826856553, |
| 1015.5445154999951, 1024.3777075619569, 1034.3538789836223, |
| 1046.4872561869577, 1063.5717461999654, 1107.0741966053859 |
| }; |
| |
| TEST_BEGIN(test_pt_chi2) |
| { |
| unsigned i, j; |
| unsigned e = 0; |
| |
| for (i = 0; i < sizeof(pt_chi2_df)/sizeof(double); i++) { |
| double df = pt_chi2_df[i]; |
| double ln_gamma_df = ln_gamma(df * 0.5); |
| for (j = 1; j < 100; j += 7) { |
| double p = (double)j * 0.01; |
| assert_true(double_eq_rel(pt_chi2(p, df, ln_gamma_df), |
| pt_chi2_expected[e], MAX_REL_ERR, MAX_ABS_ERR), |
| "Incorrect pt_chi2 result for i=%u, j=%u", i, j); |
| e++; |
| } |
| } |
| } |
| TEST_END |
| |
| /* |
| * Expected pt_gamma(p=[0.1..0.99] increment=0.07, |
| * shape=[0.5..3.0] increment=0.5). |
| */ |
| static const double pt_gamma_shape[] = {0.5, 1.0, 1.5, 2.0, 2.5, 3.0}; |
| static const double pt_gamma_expected[] = { |
| 7.854392895485103e-05, 5.043466107888016e-03, 1.788288957794883e-02, |
| 3.900956150232906e-02, 6.913847560638034e-02, 1.093710833465766e-01, |
| 1.613412523825817e-01, 2.274682115597864e-01, 3.114117323127083e-01, |
| 4.189466220207417e-01, 5.598106789059246e-01, 7.521856146202706e-01, |
| 1.036125427911119e+00, 1.532450860038180e+00, 3.317448300510606e+00, |
| |
| 0.01005033585350144, 0.08338160893905107, 0.16251892949777497, |
| 0.24846135929849966, 0.34249030894677596, 0.44628710262841947, |
| 0.56211891815354142, 0.69314718055994529, 0.84397007029452920, |
| 1.02165124753198167, 1.23787435600161766, 1.51412773262977574, |
| 1.89711998488588196, 2.52572864430825783, 4.60517018598809091, |
| |
| 0.05741590094955853, 0.24747378084860744, 0.39888572212236084, |
| 0.54394139997444901, 0.69048812513915159, 0.84311389861296104, |
| 1.00580622221479898, 1.18298694218766931, 1.38038096305861213, |
| 1.60627736383027453, 1.87396970522337947, 2.20749220408081070, |
| 2.65852391865854942, 3.37934630984842244, 5.67243336507218476, |
| |
| 0.1485547402532659, 0.4657458011640391, 0.6832386130709406, |
| 0.8794297834672100, 1.0700752852474524, 1.2629614217350744, |
| 1.4638400448580779, 1.6783469900166610, 1.9132338090606940, |
| 2.1778589228618777, 2.4868823970010991, 2.8664695666264195, |
| 3.3724415436062114, 4.1682658512758071, 6.6383520679938108, |
| |
| 0.2771490383641385, 0.7195001279643727, 0.9969081732265243, |
| 1.2383497880608061, 1.4675206597269927, 1.6953064251816552, |
| 1.9291243435606809, 2.1757300955477641, 2.4428032131216391, |
| 2.7406534569230616, 3.0851445039665513, 3.5043101122033367, |
| 4.0575997065264637, 4.9182956424675286, 7.5431362346944937, |
| |
| 0.4360451650782932, 0.9983600902486267, 1.3306365880734528, |
| 1.6129750834753802, 1.8767241606994294, 2.1357032436097660, |
| 2.3988853336865565, 2.6740603137235603, 2.9697561737517959, |
| 3.2971457713883265, 3.6731795898504660, 4.1275751617770631, |
| 4.7230515633946677, 5.6417477865306020, 8.4059469148854635 |
| }; |
| |
| TEST_BEGIN(test_pt_gamma_shape) |
| { |
| unsigned i, j; |
| unsigned e = 0; |
| |
| for (i = 0; i < sizeof(pt_gamma_shape)/sizeof(double); i++) { |
| double shape = pt_gamma_shape[i]; |
| double ln_gamma_shape = ln_gamma(shape); |
| for (j = 1; j < 100; j += 7) { |
| double p = (double)j * 0.01; |
| assert_true(double_eq_rel(pt_gamma(p, shape, 1.0, |
| ln_gamma_shape), pt_gamma_expected[e], MAX_REL_ERR, |
| MAX_ABS_ERR), |
| "Incorrect pt_gamma result for i=%u, j=%u", i, j); |
| e++; |
| } |
| } |
| } |
| TEST_END |
| |
| TEST_BEGIN(test_pt_gamma_scale) |
| { |
| double shape = 1.0; |
| double ln_gamma_shape = ln_gamma(shape); |
| |
| assert_true(double_eq_rel( |
| pt_gamma(0.5, shape, 1.0, ln_gamma_shape) * 10.0, |
| pt_gamma(0.5, shape, 10.0, ln_gamma_shape), MAX_REL_ERR, |
| MAX_ABS_ERR), |
| "Scale should be trivially equivalent to external multiplication"); |
| } |
| TEST_END |
| |
| int |
| main(void) |
| { |
| |
| return (test( |
| test_ln_gamma_factorial, |
| test_ln_gamma_misc, |
| test_pt_norm, |
| test_pt_chi2, |
| test_pt_gamma_shape, |
| test_pt_gamma_scale)); |
| } |
