001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.commons.math.random; 018 019 import static org.junit.Assert.assertEquals; 020 import static org.junit.Assert.assertTrue; 021 022 import org.apache.commons.math.stat.descriptive.SummaryStatistics; 023 import org.junit.Test; 024 025 public class MersenneTwisterTest { 026 027 @Test 028 public void testGaussian() { 029 MersenneTwister mt = new MersenneTwister(42853252100l); 030 SummaryStatistics sample = new SummaryStatistics(); 031 for (int i = 0; i < 1000; ++i) { 032 sample.addValue(mt.nextGaussian()); 033 } 034 assertEquals(0.0, sample.getMean(), 0.005); 035 assertEquals(1.0, sample.getStandardDeviation(), 0.025); 036 } 037 038 @Test 039 public void testDouble() { 040 MersenneTwister mt = new MersenneTwister(195357343514l); 041 SummaryStatistics sample = new SummaryStatistics(); 042 for (int i = 0; i < 1000; ++i) { 043 sample.addValue(mt.nextDouble()); 044 } 045 assertEquals(0.5, sample.getMean(), 0.02); 046 assertEquals(1.0 / (2.0 * Math.sqrt(3.0)), 047 sample.getStandardDeviation(), 048 0.002); 049 } 050 051 @Test 052 public void testFloat() { 053 MersenneTwister mt = new MersenneTwister(4442733263l); 054 SummaryStatistics sample = new SummaryStatistics(); 055 for (int i = 0; i < 1000; ++i) { 056 sample.addValue(mt.nextFloat()); 057 } 058 assertEquals(0.5, sample.getMean(), 0.01); 059 assertEquals(1.0 / (2.0 * Math.sqrt(3.0)), 060 sample.getStandardDeviation(), 061 0.006); 062 } 063 064 @Test(expected=java.lang.IllegalArgumentException.class) 065 public void testNextIntNeg() { 066 new MersenneTwister(1).nextInt(-1); 067 } 068 069 @Test 070 public void testNextIntN() { 071 MersenneTwister mt = new MersenneTwister(0x12b8a7412bb25el); 072 for (int n = 1; n < 20; ++n) { 073 int[] count = new int[n]; 074 for (int k = 0; k < 10000; ++k) { 075 int l = mt.nextInt(n); 076 ++count[l]; 077 assertTrue(l >= 0); 078 assertTrue(l < n); 079 } 080 for (int i = 0; i < n; ++i) { 081 assertTrue(n * count[i] > 8600); 082 assertTrue(n * count[i] < 11200); 083 } 084 } 085 } 086 087 @Test 088 public void testNextInt() { 089 MersenneTwister mt = new MersenneTwister(new int[] { 1, 2, 3, 4, 5 }); 090 int walk = 0; 091 for (int k = 0; k < 10000; ++k) { 092 if (mt.nextInt() >= 0) { 093 ++walk; 094 } else { 095 --walk; 096 } 097 } 098 assertTrue(Math.abs(walk) < 120); 099 } 100 101 @Test 102 public void testNextLong() { 103 MersenneTwister mt = new MersenneTwister(12345); 104 int walk = 0; 105 for (int k = 0; k < 10000; ++k) { 106 if (mt.nextLong() >= 0) { 107 ++walk; 108 } else { 109 --walk; 110 } 111 } 112 assertTrue(Math.abs(walk) < 50); 113 } 114 115 @Test 116 public void testNexBoolean() { 117 MersenneTwister mt = new MersenneTwister(76342); 118 int walk = 0; 119 for (int k = 0; k < 10000; ++k) { 120 if (mt.nextBoolean()) { 121 ++walk; 122 } else { 123 --walk; 124 } 125 } 126 assertTrue(Math.abs(walk) < 250); 127 } 128 129 @Test 130 public void testNexBytes() { 131 MersenneTwister mt = new MersenneTwister(0); 132 int[] count = new int[256]; 133 byte[] bytes = new byte[10]; 134 for (int k = 0; k < 100000; ++k) { 135 mt.nextBytes(bytes); 136 for (byte b : bytes) { 137 ++count[b + 128]; 138 } 139 } 140 int min = Integer.MAX_VALUE; 141 int max = Integer.MIN_VALUE; 142 for (int c : count) { 143 min = Math.min(min, c); 144 max = Math.max(max, c); 145 } 146 int expected = (100000 * bytes.length) / count.length; 147 assertTrue((expected - 200) < min); 148 assertTrue(max < (expected + 200)); 149 } 150 151 @Test 152 public void testMakotoNishimura() { 153 MersenneTwister mt = new MersenneTwister(new int[] {0x123, 0x234, 0x345, 0x456}); 154 long[] refInt = { 155 1067595299l, 955945823l, 477289528l, 4107218783l, 4228976476l, 3344332714l, 3355579695l, 227628506l, 156 810200273l, 2591290167l, 2560260675l, 3242736208l, 646746669l, 1479517882l, 4245472273l, 1143372638l, 157 3863670494l, 3221021970l, 1773610557l, 1138697238l, 1421897700l, 1269916527l, 2859934041l, 1764463362l, 158 3874892047l, 3965319921l, 72549643l, 2383988930l, 2600218693l, 3237492380l, 2792901476l, 725331109l, 159 605841842l, 271258942l, 715137098l, 3297999536l, 1322965544l, 4229579109l, 1395091102l, 3735697720l, 160 2101727825l, 3730287744l, 2950434330l, 1661921839l, 2895579582l, 2370511479l, 1004092106l, 2247096681l, 161 2111242379l, 3237345263l, 4082424759l, 219785033l, 2454039889l, 3709582971l, 835606218l, 2411949883l, 162 2735205030l, 756421180l, 2175209704l, 1873865952l, 2762534237l, 4161807854l, 3351099340l, 181129879l, 163 3269891896l, 776029799l, 2218161979l, 3001745796l, 1866825872l, 2133627728l, 34862734l, 1191934573l, 164 3102311354l, 2916517763l, 1012402762l, 2184831317l, 4257399449l, 2899497138l, 3818095062l, 3030756734l, 165 1282161629l, 420003642l, 2326421477l, 2741455717l, 1278020671l, 3744179621l, 271777016l, 2626330018l, 166 2560563991l, 3055977700l, 4233527566l, 1228397661l, 3595579322l, 1077915006l, 2395931898l, 1851927286l, 167 3013683506l, 1999971931l, 3006888962l, 1049781534l, 1488758959l, 3491776230l, 104418065l, 2448267297l, 168 3075614115l, 3872332600l, 891912190l, 3936547759l, 2269180963l, 2633455084l, 1047636807l, 2604612377l, 169 2709305729l, 1952216715l, 207593580l, 2849898034l, 670771757l, 2210471108l, 467711165l, 263046873l, 170 3569667915l, 1042291111l, 3863517079l, 1464270005l, 2758321352l, 3790799816l, 2301278724l, 3106281430l, 171 7974801l, 2792461636l, 555991332l, 621766759l, 1322453093l, 853629228l, 686962251l, 1455120532l, 172 957753161l, 1802033300l, 1021534190l, 3486047311l, 1902128914l, 3701138056l, 4176424663l, 1795608698l, 173 560858864l, 3737752754l, 3141170998l, 1553553385l, 3367807274l, 711546358l, 2475125503l, 262969859l, 174 251416325l, 2980076994l, 1806565895l, 969527843l, 3529327173l, 2736343040l, 2987196734l, 1649016367l, 175 2206175811l, 3048174801l, 3662503553l, 3138851612l, 2660143804l, 1663017612l, 1816683231l, 411916003l, 176 3887461314l, 2347044079l, 1015311755l, 1203592432l, 2170947766l, 2569420716l, 813872093l, 1105387678l, 177 1431142475l, 220570551l, 4243632715l, 4179591855l, 2607469131l, 3090613241l, 282341803l, 1734241730l, 178 1391822177l, 1001254810l, 827927915l, 1886687171l, 3935097347l, 2631788714l, 3905163266l, 110554195l, 179 2447955646l, 3717202975l, 3304793075l, 3739614479l, 3059127468l, 953919171l, 2590123714l, 1132511021l, 180 3795593679l, 2788030429l, 982155079l, 3472349556l, 859942552l, 2681007391l, 2299624053l, 647443547l, 181 233600422l, 608168955l, 3689327453l, 1849778220l, 1608438222l, 3968158357l, 2692977776l, 2851872572l, 182 246750393l, 3582818628l, 3329652309l, 4036366910l, 1012970930l, 950780808l, 3959768744l, 2538550045l, 183 191422718l, 2658142375l, 3276369011l, 2927737484l, 1234200027l, 1920815603l, 3536074689l, 1535612501l, 184 2184142071l, 3276955054l, 428488088l, 2378411984l, 4059769550l, 3913744741l, 2732139246l, 64369859l, 185 3755670074l, 842839565l, 2819894466l, 2414718973l, 1010060670l, 1839715346l, 2410311136l, 152774329l, 186 3485009480l, 4102101512l, 2852724304l, 879944024l, 1785007662l, 2748284463l, 1354768064l, 3267784736l, 187 2269127717l, 3001240761l, 3179796763l, 895723219l, 865924942l, 4291570937l, 89355264l, 1471026971l, 188 4114180745l, 3201939751l, 2867476999l, 2460866060l, 3603874571l, 2238880432l, 3308416168l, 2072246611l, 189 2755653839l, 3773737248l, 1709066580l, 4282731467l, 2746170170l, 2832568330l, 433439009l, 3175778732l, 190 26248366l, 2551382801l, 183214346l, 3893339516l, 1928168445l, 1337157619l, 3429096554l, 3275170900l, 191 1782047316l, 4264403756l, 1876594403l, 4289659572l, 3223834894l, 1728705513l, 4068244734l, 2867840287l, 192 1147798696l, 302879820l, 1730407747l, 1923824407l, 1180597908l, 1569786639l, 198796327l, 560793173l, 193 2107345620l, 2705990316l, 3448772106l, 3678374155l, 758635715l, 884524671l, 486356516l, 1774865603l, 194 3881226226l, 2635213607l, 1181121587l, 1508809820l, 3178988241l, 1594193633l, 1235154121l, 326117244l, 195 2304031425l, 937054774l, 2687415945l, 3192389340l, 2003740439l, 1823766188l, 2759543402l, 10067710l, 196 1533252662l, 4132494984l, 82378136l, 420615890l, 3467563163l, 541562091l, 3535949864l, 2277319197l, 197 3330822853l, 3215654174l, 4113831979l, 4204996991l, 2162248333l, 3255093522l, 2219088909l, 2978279037l, 198 255818579l, 2859348628l, 3097280311l, 2569721123l, 1861951120l, 2907080079l, 2719467166l, 998319094l, 199 2521935127l, 2404125338l, 259456032l, 2086860995l, 1839848496l, 1893547357l, 2527997525l, 1489393124l, 200 2860855349l, 76448234l, 2264934035l, 744914583l, 2586791259l, 1385380501l, 66529922l, 1819103258l, 201 1899300332l, 2098173828l, 1793831094l, 276463159l, 360132945l, 4178212058l, 595015228l, 177071838l, 202 2800080290l, 1573557746l, 1548998935l, 378454223l, 1460534296l, 1116274283l, 3112385063l, 3709761796l, 203 827999348l, 3580042847l, 1913901014l, 614021289l, 4278528023l, 1905177404l, 45407939l, 3298183234l, 204 1184848810l, 3644926330l, 3923635459l, 1627046213l, 3677876759l, 969772772l, 1160524753l, 1522441192l, 205 452369933l, 1527502551l, 832490847l, 1003299676l, 1071381111l, 2891255476l, 973747308l, 4086897108l, 206 1847554542l, 3895651598l, 2227820339l, 1621250941l, 2881344691l, 3583565821l, 3510404498l, 849362119l, 207 862871471l, 797858058l, 2867774932l, 2821282612l, 3272403146l, 3997979905l, 209178708l, 1805135652l, 208 6783381l, 2823361423l, 792580494l, 4263749770l, 776439581l, 3798193823l, 2853444094l, 2729507474l, 209 1071873341l, 1329010206l, 1289336450l, 3327680758l, 2011491779l, 80157208l, 922428856l, 1158943220l, 210 1667230961l, 2461022820l, 2608845159l, 387516115l, 3345351910l, 1495629111l, 4098154157l, 3156649613l, 211 3525698599l, 4134908037l, 446713264l, 2137537399l, 3617403512l, 813966752l, 1157943946l, 3734692965l, 212 1680301658l, 3180398473l, 3509854711l, 2228114612l, 1008102291l, 486805123l, 863791847l, 3189125290l, 213 1050308116l, 3777341526l, 4291726501l, 844061465l, 1347461791l, 2826481581l, 745465012l, 2055805750l, 214 4260209475l, 2386693097l, 2980646741l, 447229436l, 2077782664l, 1232942813l, 4023002732l, 1399011509l, 215 3140569849l, 2579909222l, 3794857471l, 900758066l, 2887199683l, 1720257997l, 3367494931l, 2668921229l, 216 955539029l, 3818726432l, 1105704962l, 3889207255l, 2277369307l, 2746484505l, 1761846513l, 2413916784l, 217 2685127085l, 4240257943l, 1166726899l, 4215215715l, 3082092067l, 3960461946l, 1663304043l, 2087473241l, 218 4162589986l, 2507310778l, 1579665506l, 767234210l, 970676017l, 492207530l, 1441679602l, 1314785090l, 219 3262202570l, 3417091742l, 1561989210l, 3011406780l, 1146609202l, 3262321040l, 1374872171l, 1634688712l, 220 1280458888l, 2230023982l, 419323804l, 3262899800l, 39783310l, 1641619040l, 1700368658l, 2207946628l, 221 2571300939l, 2424079766l, 780290914l, 2715195096l, 3390957695l, 163151474l, 2309534542l, 1860018424l, 222 555755123l, 280320104l, 1604831083l, 2713022383l, 1728987441l, 3639955502l, 623065489l, 3828630947l, 223 4275479050l, 3516347383l, 2343951195l, 2430677756l, 635534992l, 3868699749l, 808442435l, 3070644069l, 224 4282166003l, 2093181383l, 2023555632l, 1568662086l, 3422372620l, 4134522350l, 3016979543l, 3259320234l, 225 2888030729l, 3185253876l, 4258779643l, 1267304371l, 1022517473l, 815943045l, 929020012l, 2995251018l, 226 3371283296l, 3608029049l, 2018485115l, 122123397l, 2810669150l, 1411365618l, 1238391329l, 1186786476l, 227 3155969091l, 2242941310l, 1765554882l, 279121160l, 4279838515l, 1641578514l, 3796324015l, 13351065l, 228 103516986l, 1609694427l, 551411743l, 2493771609l, 1316337047l, 3932650856l, 4189700203l, 463397996l, 229 2937735066l, 1855616529l, 2626847990l, 55091862l, 3823351211l, 753448970l, 4045045500l, 1274127772l, 230 1124182256l, 92039808l, 2126345552l, 425973257l, 386287896l, 2589870191l, 1987762798l, 4084826973l, 231 2172456685l, 3366583455l, 3602966653l, 2378803535l, 2901764433l, 3716929006l, 3710159000l, 2653449155l, 232 3469742630l, 3096444476l, 3932564653l, 2595257433l, 318974657l, 3146202484l, 853571438l, 144400272l, 233 3768408841l, 782634401l, 2161109003l, 570039522l, 1886241521l, 14249488l, 2230804228l, 1604941699l, 234 3928713335l, 3921942509l, 2155806892l, 134366254l, 430507376l, 1924011722l, 276713377l, 196481886l, 235 3614810992l, 1610021185l, 1785757066l, 851346168l, 3761148643l, 2918835642l, 3364422385l, 3012284466l, 236 3735958851l, 2643153892l, 3778608231l, 1164289832l, 205853021l, 2876112231l, 3503398282l, 3078397001l, 237 3472037921l, 1748894853l, 2740861475l, 316056182l, 1660426908l, 168885906l, 956005527l, 3984354789l, 238 566521563l, 1001109523l, 1216710575l, 2952284757l, 3834433081l, 3842608301l, 2467352408l, 3974441264l, 239 3256601745l, 1409353924l, 1329904859l, 2307560293l, 3125217879l, 3622920184l, 3832785684l, 3882365951l, 240 2308537115l, 2659155028l, 1450441945l, 3532257603l, 3186324194l, 1225603425l, 1124246549l, 175808705l, 241 3009142319l, 2796710159l, 3651990107l, 160762750l, 1902254979l, 1698648476l, 1134980669l, 497144426l, 242 3302689335l, 4057485630l, 3603530763l, 4087252587l, 427812652l, 286876201l, 823134128l, 1627554964l, 243 3745564327l, 2589226092l, 4202024494l, 62878473l, 3275585894l, 3987124064l, 2791777159l, 1916869511l, 244 2585861905l, 1375038919l, 1403421920l, 60249114l, 3811870450l, 3021498009l, 2612993202l, 528933105l, 245 2757361321l, 3341402964l, 2621861700l, 273128190l, 4015252178l, 3094781002l, 1621621288l, 2337611177l, 246 1796718448l, 1258965619l, 4241913140l, 2138560392l, 3022190223l, 4174180924l, 450094611l, 3274724580l, 247 617150026l, 2704660665l, 1469700689l, 1341616587l, 356715071l, 1188789960l, 2278869135l, 1766569160l, 248 2795896635l, 57824704l, 2893496380l, 1235723989l, 1630694347l, 3927960522l, 428891364l, 1814070806l, 249 2287999787l, 4125941184l, 3968103889l, 3548724050l, 1025597707l, 1404281500l, 2002212197l, 92429143l, 250 2313943944l, 2403086080l, 3006180634l, 3561981764l, 1671860914l, 1768520622l, 1803542985l, 844848113l, 251 3006139921l, 1410888995l, 1157749833l, 2125704913l, 1789979528l, 1799263423l, 741157179l, 2405862309l, 252 767040434l, 2655241390l, 3663420179l, 2172009096l, 2511931187l, 1680542666l, 231857466l, 1154981000l, 253 157168255l, 1454112128l, 3505872099l, 1929775046l, 2309422350l, 2143329496l, 2960716902l, 407610648l, 254 2938108129l, 2581749599l, 538837155l, 2342628867l, 430543915l, 740188568l, 1937713272l, 3315215132l, 255 2085587024l, 4030765687l, 766054429l, 3517641839l, 689721775l, 1294158986l, 1753287754l, 4202601348l, 256 1974852792l, 33459103l, 3568087535l, 3144677435l, 1686130825l, 4134943013l, 3005738435l, 3599293386l, 257 426570142l, 754104406l, 3660892564l, 1964545167l, 829466833l, 821587464l, 1746693036l, 1006492428l, 258 1595312919l, 1256599985l, 1024482560l, 1897312280l, 2902903201l, 691790057l, 1037515867l, 3176831208l, 259 1968401055l, 2173506824l, 1089055278l, 1748401123l, 2941380082l, 968412354l, 1818753861l, 2973200866l, 260 3875951774l, 1119354008l, 3988604139l, 1647155589l, 2232450826l, 3486058011l, 3655784043l, 3759258462l, 261 847163678l, 1082052057l, 989516446l, 2871541755l, 3196311070l, 3929963078l, 658187585l, 3664944641l, 262 2175149170l, 2203709147l, 2756014689l, 2456473919l, 3890267390l, 1293787864l, 2830347984l, 3059280931l, 263 4158802520l, 1561677400l, 2586570938l, 783570352l, 1355506163l, 31495586l, 3789437343l, 3340549429l, 264 2092501630l, 896419368l, 671715824l, 3530450081l, 3603554138l, 1055991716l, 3442308219l, 1499434728l, 265 3130288473l, 3639507000l, 17769680l, 2259741420l, 487032199l, 4227143402l, 3693771256l, 1880482820l, 266 3924810796l, 381462353l, 4017855991l, 2452034943l, 2736680833l, 2209866385l, 2128986379l, 437874044l, 267 595759426l, 641721026l, 1636065708l, 3899136933l, 629879088l, 3591174506l, 351984326l, 2638783544l, 268 2348444281l, 2341604660l, 2123933692l, 143443325l, 1525942256l, 364660499l, 599149312l, 939093251l, 269 1523003209l, 106601097l, 376589484l, 1346282236l, 1297387043l, 764598052l, 3741218111l, 933457002l, 270 1886424424l, 3219631016l, 525405256l, 3014235619l, 323149677l, 2038881721l, 4100129043l, 2851715101l, 271 2984028078l, 1888574695l, 2014194741l, 3515193880l, 4180573530l, 3461824363l, 2641995497l, 3179230245l, 272 2902294983l, 2217320456l, 4040852155l, 1784656905l, 3311906931l, 87498458l, 2752971818l, 2635474297l, 273 2831215366l, 3682231106l, 2920043893l, 3772929704l, 2816374944l, 309949752l, 2383758854l, 154870719l, 274 385111597l, 1191604312l, 1840700563l, 872191186l, 2925548701l, 1310412747l, 2102066999l, 1504727249l, 275 3574298750l, 1191230036l, 3330575266l, 3180292097l, 3539347721l, 681369118l, 3305125752l, 3648233597l, 276 950049240l, 4173257693l, 1760124957l, 512151405l, 681175196l, 580563018l, 1169662867l, 4015033554l, 277 2687781101l, 699691603l, 2673494188l, 1137221356l, 123599888l, 472658308l, 1053598179l, 1012713758l, 278 3481064843l, 3759461013l, 3981457956l, 3830587662l, 1877191791l, 3650996736l, 988064871l, 3515461600l, 279 4089077232l, 2225147448l, 1249609188l, 2643151863l, 3896204135l, 2416995901l, 1397735321l, 3460025646l 280 }; 281 double[] refDouble = { 282 0.76275443, 0.99000644, 0.98670464, 0.10143112, 0.27933125, 0.69867227, 0.94218740, 0.03427201, 283 0.78842173, 0.28180608, 0.92179002, 0.20785655, 0.54534773, 0.69644020, 0.38107718, 0.23978165, 284 0.65286910, 0.07514568, 0.22765211, 0.94872929, 0.74557914, 0.62664415, 0.54708246, 0.90959343, 285 0.42043116, 0.86334511, 0.19189126, 0.14718544, 0.70259889, 0.63426346, 0.77408121, 0.04531601, 286 0.04605807, 0.88595519, 0.69398270, 0.05377184, 0.61711170, 0.05565708, 0.10133577, 0.41500776, 287 0.91810699, 0.22320679, 0.23353705, 0.92871862, 0.98897234, 0.19786706, 0.80558809, 0.06961067, 288 0.55840445, 0.90479405, 0.63288060, 0.95009721, 0.54948447, 0.20645042, 0.45000959, 0.87050869, 289 0.70806991, 0.19406895, 0.79286390, 0.49332866, 0.78483914, 0.75145146, 0.12341941, 0.42030252, 290 0.16728160, 0.59906494, 0.37575460, 0.97815160, 0.39815952, 0.43595080, 0.04952478, 0.33917805, 291 0.76509902, 0.61034321, 0.90654701, 0.92915732, 0.85365931, 0.18812377, 0.65913428, 0.28814566, 292 0.59476081, 0.27835931, 0.60722542, 0.68310435, 0.69387186, 0.03699800, 0.65897714, 0.17527003, 293 0.02889304, 0.86777366, 0.12352068, 0.91439461, 0.32022990, 0.44445731, 0.34903686, 0.74639273, 294 0.65918367, 0.92492794, 0.31872642, 0.77749724, 0.85413832, 0.76385624, 0.32744211, 0.91326300, 295 0.27458185, 0.22190155, 0.19865383, 0.31227402, 0.85321225, 0.84243342, 0.78544200, 0.71854080, 296 0.92503892, 0.82703064, 0.88306297, 0.47284073, 0.70059042, 0.48003761, 0.38671694, 0.60465770, 297 0.41747204, 0.47163243, 0.72750808, 0.65830223, 0.10955369, 0.64215401, 0.23456345, 0.95944940, 298 0.72822249, 0.40888451, 0.69980355, 0.26677428, 0.57333635, 0.39791582, 0.85377858, 0.76962816, 299 0.72004885, 0.90903087, 0.51376506, 0.37732665, 0.12691640, 0.71249738, 0.81217908, 0.37037313, 300 0.32772374, 0.14238259, 0.05614811, 0.74363008, 0.39773267, 0.94859135, 0.31452454, 0.11730313, 301 0.62962618, 0.33334237, 0.45547255, 0.10089665, 0.56550662, 0.60539371, 0.16027624, 0.13245301, 302 0.60959939, 0.04671662, 0.99356286, 0.57660859, 0.40269560, 0.45274629, 0.06699735, 0.85064246, 303 0.87742744, 0.54508392, 0.87242982, 0.29321385, 0.67660627, 0.68230715, 0.79052073, 0.48592054, 304 0.25186266, 0.93769755, 0.28565487, 0.47219067, 0.99054882, 0.13155240, 0.47110470, 0.98556600, 305 0.84397623, 0.12875246, 0.90953202, 0.49129015, 0.23792727, 0.79481194, 0.44337770, 0.96564297, 306 0.67749118, 0.55684872, 0.27286897, 0.79538393, 0.61965356, 0.22487929, 0.02226018, 0.49248200, 307 0.42247006, 0.91797788, 0.99250134, 0.23449967, 0.52531508, 0.10246337, 0.78685622, 0.34310922, 308 0.89892996, 0.40454552, 0.68608407, 0.30752487, 0.83601319, 0.54956031, 0.63777550, 0.82199797, 309 0.24890696, 0.48801123, 0.48661910, 0.51223987, 0.32969635, 0.31075073, 0.21393155, 0.73453207, 310 0.15565705, 0.58584522, 0.28976728, 0.97621478, 0.61498701, 0.23891470, 0.28518540, 0.46809591, 311 0.18371914, 0.37597910, 0.13492176, 0.66849449, 0.82811466, 0.56240330, 0.37548956, 0.27562998, 312 0.27521910, 0.74096121, 0.77176757, 0.13748143, 0.99747138, 0.92504502, 0.09175241, 0.21389176, 313 0.21766512, 0.31183245, 0.23271221, 0.21207367, 0.57903312, 0.77523344, 0.13242613, 0.31037988, 314 0.01204835, 0.71652949, 0.84487594, 0.14982178, 0.57423142, 0.45677888, 0.48420169, 0.53465428, 315 0.52667473, 0.46880526, 0.49849733, 0.05670710, 0.79022476, 0.03872047, 0.21697212, 0.20443086, 316 0.28949326, 0.81678186, 0.87629474, 0.92297064, 0.27373097, 0.84625273, 0.51505586, 0.00582792, 317 0.33295971, 0.91848412, 0.92537226, 0.91760033, 0.07541125, 0.71745848, 0.61158698, 0.00941650, 318 0.03135554, 0.71527471, 0.24821915, 0.63636652, 0.86159918, 0.26450229, 0.60160194, 0.35557725, 319 0.24477500, 0.07186456, 0.51757096, 0.62120362, 0.97981062, 0.69954667, 0.21065616, 0.13382753, 320 0.27693186, 0.59644095, 0.71500764, 0.04110751, 0.95730081, 0.91600724, 0.47704678, 0.26183479, 321 0.34706971, 0.07545431, 0.29398385, 0.93236070, 0.60486023, 0.48015011, 0.08870451, 0.45548581, 322 0.91872718, 0.38142712, 0.10668643, 0.01397541, 0.04520355, 0.93822273, 0.18011940, 0.57577277, 323 0.91427606, 0.30911399, 0.95853475, 0.23611214, 0.69619891, 0.69601980, 0.76765372, 0.58515930, 324 0.49479057, 0.11288752, 0.97187699, 0.32095365, 0.57563608, 0.40760618, 0.78703383, 0.43261152, 325 0.90877651, 0.84686346, 0.10599030, 0.72872803, 0.19315490, 0.66152912, 0.10210518, 0.06257876, 326 0.47950688, 0.47062066, 0.72701157, 0.48915116, 0.66110261, 0.60170685, 0.24516994, 0.12726050, 327 0.03451185, 0.90864994, 0.83494878, 0.94800035, 0.91035206, 0.14480751, 0.88458997, 0.53498312, 328 0.15963215, 0.55378627, 0.35171349, 0.28719791, 0.09097957, 0.00667896, 0.32309622, 0.87561479, 329 0.42534520, 0.91748977, 0.73908457, 0.41793223, 0.99279792, 0.87908370, 0.28458072, 0.59132853, 330 0.98672190, 0.28547393, 0.09452165, 0.89910674, 0.53681109, 0.37931425, 0.62683489, 0.56609740, 331 0.24801549, 0.52948179, 0.98328855, 0.66403523, 0.55523786, 0.75886666, 0.84784685, 0.86829981, 332 0.71448906, 0.84670080, 0.43922919, 0.20771016, 0.64157936, 0.25664246, 0.73055695, 0.86395782, 333 0.65852932, 0.99061803, 0.40280575, 0.39146298, 0.07291005, 0.97200603, 0.20555729, 0.59616495, 334 0.08138254, 0.45796388, 0.33681125, 0.33989127, 0.18717090, 0.53545811, 0.60550838, 0.86520709, 335 0.34290701, 0.72743276, 0.73023855, 0.34195926, 0.65019733, 0.02765254, 0.72575740, 0.32709576, 336 0.03420866, 0.26061893, 0.56997511, 0.28439072, 0.84422744, 0.77637570, 0.55982168, 0.06720327, 337 0.58449067, 0.71657369, 0.15819609, 0.58042821, 0.07947911, 0.40193792, 0.11376012, 0.88762938, 338 0.67532159, 0.71223735, 0.27829114, 0.04806073, 0.21144026, 0.58830274, 0.04140071, 0.43215628, 339 0.12952729, 0.94668759, 0.87391019, 0.98382450, 0.27750768, 0.90849647, 0.90962737, 0.59269720, 340 0.96102026, 0.49544979, 0.32007095, 0.62585546, 0.03119821, 0.85953001, 0.22017528, 0.05834068, 341 0.80731217, 0.53799961, 0.74166948, 0.77426600, 0.43938444, 0.54862081, 0.58575513, 0.15886492, 342 0.73214332, 0.11649057, 0.77463977, 0.85788827, 0.17061997, 0.66838056, 0.96076133, 0.07949296, 343 0.68521946, 0.89986254, 0.05667410, 0.12741385, 0.83470977, 0.63969104, 0.46612929, 0.10200126, 344 0.01194925, 0.10476340, 0.90285217, 0.31221221, 0.32980614, 0.46041971, 0.52024973, 0.05425470, 345 0.28330912, 0.60426543, 0.00598243, 0.97244013, 0.21135841, 0.78561597, 0.78428734, 0.63422849, 346 0.32909934, 0.44771136, 0.27380750, 0.14966697, 0.18156268, 0.65686758, 0.28726350, 0.97074787, 347 0.63676171, 0.96649494, 0.24526295, 0.08297372, 0.54257548, 0.03166785, 0.33735355, 0.15946671, 348 0.02102971, 0.46228045, 0.11892296, 0.33408336, 0.29875681, 0.29847692, 0.73767569, 0.02080745, 349 0.62980060, 0.08082293, 0.22993106, 0.25031439, 0.87787525, 0.45150053, 0.13673441, 0.63407612, 350 0.97907688, 0.52241942, 0.50580158, 0.06273902, 0.05270283, 0.77031811, 0.05113352, 0.24393329, 351 0.75036441, 0.37436336, 0.22877652, 0.59975358, 0.85707591, 0.88691457, 0.85547165, 0.36641027, 352 0.58720133, 0.45462835, 0.09243817, 0.32981586, 0.07820411, 0.25421519, 0.36004706, 0.60092307, 353 0.46192412, 0.36758683, 0.98424170, 0.08019934, 0.68594024, 0.45826386, 0.29962317, 0.79365413, 354 0.89231296, 0.49478547, 0.87645944, 0.23590734, 0.28106737, 0.75026285, 0.08136314, 0.79582424, 355 0.76010628, 0.82792971, 0.27947652, 0.72482861, 0.82191216, 0.46171689, 0.79189752, 0.96043686, 356 0.51609668, 0.88995725, 0.28998963, 0.55191845, 0.03934737, 0.83033700, 0.49553013, 0.98009549, 357 0.19017594, 0.98347750, 0.33452066, 0.87144372, 0.72106301, 0.71272114, 0.71465963, 0.88361677, 358 0.85571283, 0.73782329, 0.20920458, 0.34855153, 0.46766817, 0.02780062, 0.74898344, 0.03680650, 359 0.44866557, 0.77426312, 0.91025891, 0.25195236, 0.87319953, 0.63265037, 0.25552148, 0.27422476, 360 0.95217406, 0.39281839, 0.66441573, 0.09158900, 0.94515992, 0.07800798, 0.02507888, 0.39901462, 361 0.17382573, 0.12141278, 0.85502334, 0.19902911, 0.02160210, 0.44460522, 0.14688742, 0.68020336, 362 0.71323733, 0.60922473, 0.95400380, 0.99611159, 0.90897777, 0.41073520, 0.66206647, 0.32064685, 363 0.62805003, 0.50677209, 0.52690101, 0.87473387, 0.73918362, 0.39826974, 0.43683919, 0.80459118, 364 0.32422684, 0.01958019, 0.95319576, 0.98326137, 0.83931735, 0.69060863, 0.33671416, 0.68062550, 365 0.65152380, 0.33392969, 0.03451730, 0.95227244, 0.68200635, 0.85074171, 0.64721009, 0.51234433, 366 0.73402047, 0.00969637, 0.93835057, 0.80803854, 0.31485260, 0.20089527, 0.01323282, 0.59933780, 367 0.31584602, 0.20209563, 0.33754800, 0.68604181, 0.24443049, 0.19952227, 0.78162632, 0.10336988, 368 0.11360736, 0.23536740, 0.23262256, 0.67803776, 0.48749791, 0.74658435, 0.92156640, 0.56706407, 369 0.36683221, 0.99157136, 0.23421374, 0.45183767, 0.91609720, 0.85573315, 0.37706276, 0.77042618, 370 0.30891908, 0.40709595, 0.06944866, 0.61342849, 0.88817388, 0.58734506, 0.98711323, 0.14744128, 371 0.63242656, 0.87704136, 0.68347125, 0.84446569, 0.43265239, 0.25146321, 0.04130111, 0.34259839, 372 0.92697368, 0.40878778, 0.56990338, 0.76204273, 0.19820348, 0.66314909, 0.02482844, 0.06669207, 373 0.50205581, 0.26084093, 0.65139159, 0.41650223, 0.09733904, 0.56344203, 0.62651696, 0.67332139, 374 0.58037374, 0.47258086, 0.21010758, 0.05713135, 0.89390629, 0.10781246, 0.32037450, 0.07628388, 375 0.34227964, 0.42190597, 0.58201860, 0.77363549, 0.49595133, 0.86031236, 0.83906769, 0.81098161, 376 0.26694195, 0.14215941, 0.88210306, 0.53634237, 0.12090720, 0.82480459, 0.75930318, 0.31847147, 377 0.92768077, 0.01037616, 0.56201727, 0.88107122, 0.35925856, 0.85860762, 0.61109408, 0.70408301, 378 0.58434977, 0.92192494, 0.62667915, 0.75988365, 0.06858761, 0.36156496, 0.58057195, 0.13636150, 379 0.57719713, 0.59340255, 0.63530602, 0.22976282, 0.71915530, 0.41162531, 0.63979565, 0.09931342, 380 0.79344045, 0.10893790, 0.84450224, 0.23122236, 0.99485593, 0.73637397, 0.17276368, 0.13357764, 381 0.74965804, 0.64991737, 0.61990341, 0.41523170, 0.05878239, 0.05687301, 0.05497131, 0.42868366, 382 0.42571090, 0.25810502, 0.89642955, 0.30439758, 0.39310223, 0.11357431, 0.04288255, 0.23397550, 383 0.11200634, 0.85621396, 0.89733974, 0.37508865, 0.42077265, 0.68597384, 0.72781399, 0.19296476, 384 0.61699087, 0.31667128, 0.67756410, 0.00177323, 0.05725176, 0.79474693, 0.18885238, 0.06724856, 385 0.68193156, 0.42202167, 0.22082041, 0.28554673, 0.64995708, 0.87851940, 0.29124547, 0.61009521, 386 0.87374537, 0.05743712, 0.69902994, 0.81925115, 0.45653873, 0.37236821, 0.31118709, 0.52734307, 387 0.39672836, 0.38185294, 0.30163915, 0.17374510, 0.04913278, 0.90404879, 0.25742801, 0.58266467, 388 0.97663209, 0.79823377, 0.36437958, 0.15206043, 0.26529938, 0.22690047, 0.05839021, 0.84721160, 389 0.18622435, 0.37809403, 0.55706977, 0.49828704, 0.47659049, 0.24289680, 0.88477595, 0.07807463, 390 0.56245739, 0.73490635, 0.21099431, 0.13164942, 0.75840044, 0.66877037, 0.28988183, 0.44046090, 391 0.24967434, 0.80048356, 0.26029740, 0.30416821, 0.64151867, 0.52067892, 0.12880774, 0.85465381, 392 0.02690525, 0.19149288, 0.49630295, 0.79682619, 0.43566145, 0.00288078, 0.81484193, 0.03763639, 393 0.68529083, 0.01339574, 0.38405386, 0.30537067, 0.22994703, 0.44000045, 0.27217985, 0.53831243, 394 0.02870435, 0.86282045, 0.61831306, 0.09164956, 0.25609707, 0.07445781, 0.72185784, 0.90058883, 395 0.30070608, 0.94476583, 0.56822213, 0.21933909, 0.96772793, 0.80063440, 0.26307906, 0.31183306, 396 0.16501252, 0.55436179, 0.68562285, 0.23829083, 0.86511559, 0.57868991, 0.81888344, 0.20126869, 397 0.93172350, 0.66028129, 0.21786948, 0.78515828, 0.10262106, 0.35390326, 0.79303876, 0.63427924, 398 0.90479631, 0.31024934, 0.60635447, 0.56198079, 0.63573813, 0.91854197, 0.99701497, 0.83085849, 399 0.31692291, 0.01925964, 0.97446405, 0.98751283, 0.60944293, 0.13751018, 0.69519957, 0.68956636, 400 0.56969015, 0.46440193, 0.88341765, 0.36754434, 0.89223647, 0.39786427, 0.85055280, 0.12749961, 401 0.79452122, 0.89449784, 0.14567830, 0.45716830, 0.74822309, 0.28200437, 0.42546044, 0.17464886, 402 0.68308746, 0.65496587, 0.52935411, 0.12736159, 0.61523955, 0.81590528, 0.63107864, 0.39786553, 403 0.20102294, 0.53292914, 0.75485590, 0.59847044, 0.32861691, 0.12125866, 0.58917183, 0.07638293, 404 0.86845380, 0.29192617, 0.03989733, 0.52180460, 0.32503407, 0.64071852, 0.69516575, 0.74254998, 405 0.54587026, 0.48713246, 0.32920155, 0.08719954, 0.63497059, 0.54328459, 0.64178757, 0.45583809, 406 0.70694291, 0.85212760, 0.86074305, 0.33163422, 0.85739792, 0.59908488, 0.74566046, 0.72157152 407 }; 408 409 for (int i = 0; i < refInt.length; ++i) { 410 int r = mt.nextInt(); 411 assertEquals(refInt[i], (r & 0x7fffffffl) | ((r < 0) ? 0x80000000l : 0x0l)); 412 } 413 414 for (int i = 0; i < refDouble.length; ++i) { 415 int r = mt.nextInt(); 416 assertEquals(refDouble[i], 417 ((r & 0x7fffffffl) | ((r < 0) ? 0x80000000l : 0x0l)) / 4294967296.0, 418 1.0e-8); 419 } 420 421 } 422 423 }