| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.commons.math3.random; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class Well44497aTest extends RandomGeneratorAbstractTest { |
| |
| @Override |
| public RandomGenerator makeGenerator() { |
| return new Well44497a(100); |
| } |
| |
| @Test |
| public void testReferenceCode() { |
| int[] base = { |
| 740849862, 1202665156, -199039369, -259008301, -291878969, -1164428990, -1565918811, 491009864, |
| -1883086670, 1383450241, 1244617256, 689006653, -1576746370, -1307940314, 1421489086, 1742094000, |
| -595495729, 1047766204, 1875773301, -1637793284, 1379017098, 262792705, 191880010, -251000180, |
| -1753047622, -972355720, 90626881, 1644693418, 1503365577, 439653419, 1806361562, 1268823869 |
| }; |
| int[] init = new int[1391]; |
| for (int i = 0; i < init.length; ++i) { |
| init[i] = base[i % base.length] + i; |
| } |
| Well44497a mt = new Well44497a(init); |
| int[] refInt = { |
| -1464956854, -1524360321, 986845646, -182050548, -818943186, -1744848370, 1392434650, -182648505, -2026593838, 1254866610, -410459761, -1392048371, -968730026, 1485793687, -728749746, -112685463, |
| 275126404, -1101838984, 1193096287, 443511615, -510869213, 549869992, 1974458428, -1217587840, -335835016, -2048974745, 1066947099, -611611187, 1978925459, 688164478, -463344808, 56995910, |
| 699288809, 606392470, 117418673, 1948706703, -485598135, 385841705, 1725261146, -919553921, 70643668, 2128611684, 1720197347, 738706713, 1162026860, -611442152, 1469145601, 2051653750, |
| 609067755, -1971782890, -971114565, 776260144, 1619791127, -1547233838, 1502505722, 913168193, 1761269649, 81782996, 62251540, 1519079156, 1239007000, 489633356, -800433470, -2107278046, |
| 495320431, 269446836, -2013306553, 1074614697, 1645125348, 584369930, -405429577, 1211134012, -2060113546, -2047824, -443978800, 271218497, -1002185964, 1519315874, -695096464, -79101601, |
| -1521653608, 192426133, 1159511202, -1354494985, -477280535, 583522228, -661741458, -1251175621, -369487281, -2015449518, -2102058930, -645264919, -925270025, -1674575999, 1363844609, -831732660, |
| -1668989157, -1861246633, 83763283, -1056074975, -519054258, -1546386261, 1691674654, -885968657, -1189571815, 2095154843, 1686743191, -1859471265, -261593938, 1721982136, -491120252, -949699153, |
| 642525852, -2005306625, -1004765905, 742736856, 1653443876, 788423835, 1536155740, 879514143, -1510757104, 115238646, 28600662, 1485490803, 1272460710, 523153480, -766782926, 1332478031, |
| 528775440, 302965264, -2046891123, 1108139271, 1611601128, 550846467, -439082190, 1244786747, 941120547, -35568474, 1756370964, 304870369, 1902684028, -408710726, 1673189520, 1180987663, |
| -1488131864, 158973303, 154514890, -1387953397, 1453732833, -1342263302, -628153633, 4710424, 619931109, 721411332, -2135645486, 1688696681, -891749588, -1641122924, 1397432310, -865254619, |
| -1635468227, -1827787970, -1311416657, -1022618057, 1411688086, -1579840139, -637954674, 2115653281, -1155985079, -1043532593, -374286955, -1825883832, -227940643, 1688394137, -524577925, -983222470, |
| -1955769926, 626525757, -2009760930, -1855453635, -676923169, 754966926, -291202391, -2126042921, -1477304277, -1409345382, -1264640578, -441993991, -17611930, -1576809974, 2137694350, 1299022733, |
| -762509116, -1087399293, 819303572, -14571174, -719035481, -1644675278, 1492736905, -15038081, 974773023, 1087127339, 1790024863, -1493135734, 1936273291, -442361741, 1639666948, 1147532756, |
| 174955156, -1537685747, 187972574, 275303083, 1420277149, -1375787574, 1873043153, 38164241, 653451946, 687758113, 899667071, 1722219976, 2146668333, 587401069, -26582672, 2034645447, |
| 1401801794, 1043291001, -1277898614, 2116116828, 1445274301, 150534325, 469242183, -937704471, 171074779, -204638071, 1269913689, -771734064, -12280461, -1182158859, 1704390140, -263303749, |
| -848503723, -1822849148, -634064465, 1130988864, -1515750310, -908815400, 1487214333, 994482967, 853103628, 1711185413, 1520342001, 1067859186, 1693632130, -603831333, 292236742, -800655385, |
| -1467184928, 221125007, -1697377800, 1293953144, 1730537111, 1073329737, 519625212, 689636032, 1127394154, -1496469136, -1214585810, 822152197, -1572579275, -527866383, -996792678, -2058452887, |
| -1133767559, 576275042, 1579109209, -295089371, 1502267384, -724281876, -911879875, 1131096177, 333026744, 1238706603, 1067340063, -745697708, -973992204, 1560446744, -664017057, -616056490, |
| 1099714049, 674159948, 383625825, 1411443110, 1862818263, -1896254899, 1322476914, -719144734, -1540101945, 988154902, 781856577, 2013381051, -2059071359, -142073207, 60252832, 2052050421, |
| -666391497, 376633738, 1663011481, -1706886481, -1870003191, 1003819645, 898131216, 778824906, -656875645, -1730811011, -1751653787, 2056079904, 231977636, 1831419220, -465545074, -1505266471, |
| 1034419975, -133864043, 1876779821, 1879792902, -100100435, -959264741, -472668436, 203584096, -46980157, -1478047098, -979669209, 809008494, 1279644171, 2055793632, 1385672419, -1756428826, |
| -1790481031, -2089665073, -1608595011, 457322987, 1267418945, -19541848, -796352273, -1049973752, 30940894, -539710199, -1097391703, -779353550, -1328320498, -735447662, -918513196, 1516945649, |
| 1218919237, -251287485, 1826366637, 353082340, 889839220, 399638904, -1462573609, -618450466, 1429903706, 2095548034, 1486594475, -1053248922, 74346322, -357998703, 1790710495, -146359619, |
| 1581657509, -797737661, -920778913, 608399665, 646679359, 1861775150, -1014371223, 476735306, -1577737028, 383018939, 1234592859, 344770283, -472763155, 187217985, 1245828866, 1936329359, |
| 61243025, -1979390025, 903671173, 302699505, -1677126111, -1194113496, 835857595, 706998946, 70931462, 1374113464, -1464459699, -231081598, 1366205112, 396990527, -1615015619, -968458597, |
| 457632575, 24361353, -1120685182, 2101590608, 1654666456, -1208442054, 579414359, 1078056578, 217408674, -1560683025, 815178420, 1219326466, 450032327, 774403237, 54597342, -664057229, |
| 447132403, 50603973, 435640301, -1224073863, -1339908037, 1775470944, -1378119263, -1375189988, -1287971162, 29816317, -1313418882, -1824967031, 443540716, 11064217, -1463969487, 1967601549, |
| 124474667, 1230898256, -1741455555, 561643750, 933295231, -923145874, 245538199, 289478386, 200552280, -268887021, -1598221376, 1236123270, 318325803, 773964550, 191670680, 158043961, |
| -762639146, -416703928, -721969492, 1664330785, -584949010, 1509045840, -2066001147, 1728613092, -1103375821, -1262079070, -2034789427, -418216342, -546365126, 1235751589, 1639799329, 2085089663, |
| -697590049, -2007054256, -147701903, 209371702, -1868450893, 1241065116, 1537364837, -1035970557, 318040217, 150492098, 1841159805, -491979749, -1275490577, -1759443566, -697538216, -1589624976, |
| -678703557, -189067001, 1539472677, -1396089831, 271512148, 180483983, 483714313, 703861378, 2122114992, -600097045, 522009268, 160429181, -744428886, 1541223403, -1211039718, -1167643980, |
| 1551471162, -816207368, -1429258613, 1350901561, 1934120609, -961643277, -214772286, -2128270227, -1561239720, 1493926966, 1376671007, 94966082, 221846150, -164351411, -51309876, 497148497, |
| 1233668542, 266257753, -773473851, 953946385, 420815294, -1390653175, 1834391782, 4704447, -891751440, -744104272, -1082756642, 1431640408, -1912055536, -159789461, -704946016, 1956368139, |
| 642279822, -374415338, 1562655802, -272964020, 1071498305, 667364168, -1546405154, 341389690, 1360662999, 377696332, -437020076, -1668574556, 1242655350, -756555890, 645954261, 1914624235, |
| 2134904445, -247737098, 143667521, -17668806, 1804148531, 414247300, 1030053929, -1595215075, 887532426, 553113691, 1173830167, -303724353, -280418143, -1143962122, -1898518451, 36464746, |
| 1189572700, -1549967582, 1093341440, -452303819, -731023001, 1111173883, 1678013973, -836458212, -842956392, 212774049, -845621791, 966282353, -823130040, 700410571, 619075141, -304785045, |
| -1816233676, -1789653997, -166914694, 690663021, -669570330, 1098624444, -987380984, 452844935, -1089825546, 1221160503, 1217375341, 512281644, -1106887134, 1665404458, -1462594714, -207498587, |
| -789271490, -723469709, 512055365, 1445951882, 1692473633, -996873493, 1445046730, 993087194, -1666188562, -897427329, 1008869698, 1236029718, 1499207233, 1704947182, -1815799281, 686399988, |
| -475436580, 1588892458, 884859588, -471913926, -487416631, 1323960741, -1257612174, -468909314, -1866654496, -1417895838, 1707647971, 997140465, -1358794225, 1929422460, -605622778, -1587468566, |
| 469149623, 1121515927, 748484204, 1201983830, -1906623591, 76398473, 261109068, -796025669, -1964466661, 1739898262, -756850622, 1581369453, 1484675811, 484136467, -705983890, -1357931714, |
| 548520423, 741992908, 1017931838, -2078503520, 2097871343, 569233897, -91903627, 1864053450, -876129714, 336670307, -1950420274, -872316480, -662220291, 275724295, 703565412, 1334248646, |
| -217559198, 1044090753, 743502488, -1518545318, 20614180, -768582053, 976522354, -25129962, -983639284, 71722595, -119236393, 368844119, -795808244, 696073964, 1379765302, 235083623, |
| 666280330, -1313689346, -643870520, 534522699, -250414377, -1239276164, 159264592, -1119503518, 1168161619, -1366518946, -1335653301, 248092140, 1390152547, 2051602724, -1023547981, -1479782621, |
| -1785785862, 1609789158, -919124123, 1703200068, -852553456, 1573706142, -376011685, 305068766, -1231775451, -1536883494, -125122369, -896696968, 852651567, -458154391, 747781704, 1173040469, |
| -1569200836, 312506093, -1680530410, 117086271, 794587661, -1231003908, -1048955503, 2119305423, 1636729108, -522378372, 1627421730, 545077470, -1683264872, 1486496559, -1793064672, 1908368749, |
| -1226052295, 1399248776, -588193954, -1289386125, 534647065, 2126245059, -238362987, -1244573058, -1571832269, -2052693379, 1494767731, -528668449, -980826491, -151282847, -1468523556, 1876349941, |
| -301654558, 1467960576, -741720848, -612158589, 92376910, 987915105, 1037689578, 793773489, -1387669541, 349490139, 564784004, -1161242130, 619703053, 2063233129, 190888106, 81845991, |
| -1482466066, 283234313, 114355492, -1879406787, -1283370924, -1378903370, -730141747, 1570738286, -281348873, 2131743196, 795654462, -497365688, 437612465, 1928618254, 1433118279, -1801292119, |
| -2059248836, -221673230, 163637697, -411319468, 244353317, 786753178, 489172932, 464627154, 1258915212, -229028334, -994675463, 1931657329, 1784181437, -97111947, 1728952452, -1329133577, |
| -1606156362, 1341196121, 1679632329, -796545286, -1021125869, 1427825468, -214986389, 250791528, 1029777000, 90661677, 602529506, 2068040879, 1483801763, 2332097, -457467017, 672399614, |
| 1542769193, 1781253216, -1967165705, -2052227925, -1248173215, -1676554121, 292413596, 209649573, 1750689340, 1946874730, -832845570, 1774178655, -450175610, -431901779, 613330756, 1969434259, |
| 1251099237, -1320908513, -50659188, 273178515, -296290724, 1195998469, 1329813722, 759419114, 1003396150, -274557619, -548886303, -2055397788, -766678640, -464045978, -1835907569, -169406709, |
| 820751456, 1778613303, -1582073956, -1728391771, -2075389498, -1606584632, -1702107251, -15724560, 45610235, -1967510298, -671487775, -1841110041, -913365944, 869680052, -798103472, -1564096927, |
| -918899909, -810066882, 428829752, -1413487973, -844240890, 1343914280, -689285374, 1827745702, -799686631, 1696465705, -726159000, -1381157526, 1649221296, 1791106481, -1872852642, -485685063, |
| 1534949133, -1611901907, -581776031, 242740701, -382394666, 668419384, 388297992, 748818886, 713804061, -1783774172, -1823401590, -1009098384, 2071462929, 1154475522, 1309810666, -1734475040, |
| 1212095416, 988288210, -1457428115, 1699730041, -1804729443, -1922824494, 1000076038, -226555981, 131425181, -1071582828, 357680377, 1574190179, 996651958, 965704429, -47651768, 243931978, |
| 808955117, -652323633, 544967309, -1199510217, 702795379, 997685748, 1593927308, 2119371055, 1451401230, -41992913, 2033816081, -1030495962, 1764010175, 457470691, -2001190141, -373358035, |
| -1950331268, -1291674220, 642934467, -1825725718, -1555687487, 1664472129, -24722338, 1899539596, 78519318, 1662555805, 1744711308, -2142888582, -1597853572, 118030659, 1596713428, 404304267, |
| -1350880388, 648702031, 1185458591, 1798138033, 819516445, -1466759682, -751277607, -879817426, -1931050435, 1465603177, -1402344216, 768491239, -1404853657, -1915685264, -1845859847, 313163207, |
| 1239598382, 1988767047, -555152530, -1925665864, -182399255, -1392390808, 64861291, -511875035, 1879964459, 918905020, -840773616, 459610189, -1522352470, -1821396360, 977274705, -60616465, |
| -1846727880, 1208592937, -515359427, 1127607806, -395032287, 491869604, 2053794084, 568321750, 1597027438, 1355613070, -2069482724, 1899252555, 844726247, -625112193, 1146099491, -1037855139, |
| 1203928737, 1875686061, 994108281, 1471873396, 2026801570, 4941446, -1066074241, -983738686, 2037429697, -836521112, -633388883, 1221918725, 2137035208, -369891832, 372509548, -110916409, |
| 80517712, -658056946, 727893428, -1353651002, -475459562, -291323023, 1059377566, 591801919, 1018232602, -348255729, 1863827426, 246032476, -1026132864, -1356383176, -1224690998, 262442981, |
| 1257773681, -1738604660, 77131430, -1320261233, -2342727, -1817187590, -1883997191, 1367221809, -1863623746, -1132606249, 149024763, -1228275128, -578030399, 356914163, 2109691820, -880313621 |
| }; |
| |
| for (int i = 0; i < refInt.length; ++i) { |
| Assert.assertEquals(refInt[i], mt.nextInt()); |
| } |
| |
| } |
| |
| } |
