175 lines
7.8 KiB
C++
175 lines
7.8 KiB
C++
#include "StarRandom.hpp"
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#include "gtest/gtest.h"
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using namespace Star;
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TEST(RandTest, All) {
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RandomSource rand(31415926);
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EXPECT_EQ(rand.randu32(), 2950892229u);
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EXPECT_EQ(rand.randu32(), 1418047276u);
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EXPECT_EQ(rand.randu32(), 3790079132u);
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EXPECT_EQ(rand.randu32(), 445970691u);
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EXPECT_EQ(rand.randu32(), 2728181679u);
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rand.addEntropy(27182818);
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EXPECT_EQ(rand.randu32(), 3255590103u);
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EXPECT_EQ(rand.randu32(), 678168874u);
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EXPECT_EQ(rand.randu32(), 3814633989u);
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EXPECT_EQ(rand.randu32(), 4070190392u);
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EXPECT_EQ(rand.randu32(), 265077625u);
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for (auto i = 0; i < 1e5; ++i)
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rand.randu32();
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EXPECT_EQ(rand.randu32(), 724230938u);
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EXPECT_EQ(rand.randf(), 0.6708741188049316f);
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EXPECT_EQ(rand.randf(), 0.3297619521617889f);
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EXPECT_EQ(rand.randf(), 0.2407863438129425f);
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EXPECT_EQ(rand.randf(), 0.2388365715742111f);
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EXPECT_EQ(rand.randf(), 0.8430468440055847f);
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EXPECT_EQ(rand.randf(), 0.5036200881004333f);
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EXPECT_EQ(rand.randf(), 0.2279680222272873f);
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EXPECT_EQ(rand.randd(), 0.0993789769271370693193290435374);
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EXPECT_EQ(rand.randd(), 0.489891395527775608265130813379);
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EXPECT_EQ(rand.randd(), 0.609412270506578757078841590555);
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EXPECT_EQ(rand.randd(), 0.838596715529411951273175418464);
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EXPECT_EQ(rand.randd(), 0.556277078882413622551439402741);
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EXPECT_EQ(rand.randd(), 0.575903901290708120086492272094);
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EXPECT_EQ(rand.randd(), 0.721894899474715856513284961693);
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EXPECT_EQ(rand.randu32(), 2870093081u);
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EXPECT_EQ(rand.randu64(), 16492986915519838998u);
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EXPECT_EQ(rand.randu32(), 1029635267u);
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EXPECT_EQ(rand.randu32(), 1469630330u);
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EXPECT_EQ(rand.randu32(), 2017291831u);
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EXPECT_EQ(rand.randu32(), 2167938696u);
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EXPECT_EQ(rand.randu64(), 7889337349893562706u);
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EXPECT_EQ(rand.randu64(), 11595813817497350001u);
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EXPECT_EQ(rand.randu64(), 14292979134113073402u);
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EXPECT_EQ(rand.randu32(), 119058573u);
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EXPECT_EQ(rand.randi32(), -1995152573);
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EXPECT_EQ(rand.randi32(), 1717688829);
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EXPECT_EQ(rand.randi64(), -4500435351487619671);
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EXPECT_EQ(rand.randi32(), 644788487);
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EXPECT_EQ(rand.randi64(), 2370131680533925071);
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EXPECT_EQ(rand.randi64(), -7391462988205297660);
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EXPECT_EQ(rand.randi32(), 817418170);
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EXPECT_EQ(rand.randi64(), -3754584120231434991);
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EXPECT_EQ(rand.randi64(), -2585223751692222899);
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EXPECT_EQ(rand.randInt(34), 20);
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EXPECT_EQ(rand.randInt(483), 49);
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EXPECT_EQ(rand.randInt(2), 1);
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EXPECT_EQ(rand.randInt(49382), 12751);
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EXPECT_EQ(rand.randInt(1291), 872);
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EXPECT_EQ(rand.randInt(rand.randu32()), 306693728);
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EXPECT_EQ(rand.randInt(rand.randu32()), 332940738);
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EXPECT_EQ(rand.randInt(rand.randu32()), 94215324);
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EXPECT_EQ(rand.randInt(rand.randu32()), 43770718);
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EXPECT_EQ(rand.randInt(2939), 2938u);
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EXPECT_EQ(rand.randUInt(rand.randu32()), 179327438u);
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EXPECT_EQ(rand.randUInt(rand.randu32()), 1761816964u);
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EXPECT_EQ(rand.randUInt(rand.randu32()), 68031400u);
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EXPECT_EQ(rand.randUInt(3972097), 2100462u);
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EXPECT_EQ(rand.randUInt(878), 839u);
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EXPECT_EQ(rand.randUInt(rand.randu32()), 1499799820u);
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EXPECT_EQ(rand.randUInt(rand.randu32()), 1807471845u);
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EXPECT_EQ(rand.randInt(83, 198207), 90862);
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EXPECT_EQ(rand.randInt(-98982, -989), -23203);
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EXPECT_EQ(rand.randInt(0, 1), 1);
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EXPECT_EQ(rand.randInt(-8279, rand.randu32()), 20616743);
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EXPECT_EQ(rand.randInt(87297, 298398), 142455);
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EXPECT_EQ(rand.randInt(-93792, rand.randu32()), 734418822);
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EXPECT_EQ(rand.randInt(2, 5), 3);
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EXPECT_EQ(rand.randInt(2938, 2940), 2939);
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EXPECT_EQ(rand.randUInt(9802, 87297), 47048u);
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EXPECT_EQ(rand.randUInt(9809802, 372987297), 150191254u);
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EXPECT_EQ(rand.randUInt(9809809, 272987297), 263742306u);
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EXPECT_EQ(rand.randUInt(4, (uint64_t)(-1)), 7288528389985641665u);
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EXPECT_EQ(rand.randUInt(rand.randu32(), (uint64_t)(-1)), 1748024317879856867u);
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EXPECT_EQ(rand.randUInt(2, rand.randu32()), 558624029u);
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EXPECT_EQ(rand.randUInt(9382, 888888), 212491u);
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EXPECT_FLOAT_EQ(rand.randf(4.3f, 4.4f), 4.395795345306396f);
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EXPECT_FLOAT_EQ(rand.randf(rand.randf(), 5.0f), 4.580977439880371f);
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EXPECT_FLOAT_EQ(rand.randf(387.f, 3920.f), 3740.644775390625f);
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EXPECT_FLOAT_EQ(rand.randf(rand.randf(), 1.0f), 0.9794777631759644f);
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EXPECT_FLOAT_EQ(rand.randf(-392.f, rand.randf()), -276.0828552246094f);
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EXPECT_FLOAT_EQ(rand.randf(-2.f, rand.randf()), 0.1681497097015381f);
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EXPECT_DOUBLE_EQ(rand.randd(rand.randd(), 1.0), 0.942969795571236168996165361023);
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EXPECT_DOUBLE_EQ(rand.randd(rand.randd(), 1.1), 0.751293963391068353452340033982);
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EXPECT_DOUBLE_EQ(rand.randd(rand.randd(), 83), 9.31872432254218274749746342422);
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EXPECT_DOUBLE_EQ(rand.randd(-2, rand.randd()), 0.361844402875284743004158372059);
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EXPECT_DOUBLE_EQ(rand.randd(-2.3, rand.randd()), 0.580774591935332651360113231931);
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EXPECT_DOUBLE_EQ(rand.randd(-303, rand.randd()), -110.181037142766882652722415514);
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EXPECT_EQ(rand.randb(), false);
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EXPECT_EQ(rand.randb(), true);
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EXPECT_EQ(rand.randb(), false);
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EXPECT_EQ(rand.randb(), true);
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EXPECT_EQ(rand.randb(), false);
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EXPECT_EQ(rand.randb(), false);
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EXPECT_FLOAT_EQ(rand.nrandf(1.0f, 0.0f), -0.46687412f);
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EXPECT_FLOAT_EQ(rand.nrandf(1.5f, 4.0f), 4.5038204f);
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EXPECT_FLOAT_EQ(rand.nrandf(0.1f, 3.0f), 2.8866563f);
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EXPECT_FLOAT_EQ(rand.nrandf(5.0f, -10.0f), -7.4856615f);
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EXPECT_FLOAT_EQ(rand.nrandf(rand.randf(), 0.0f), 0.21202649f);
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EXPECT_FLOAT_EQ(rand.nrandf(rand.randf(), 0.0f), -0.18832046f);
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EXPECT_FLOAT_EQ(rand.nrandf(rand.randf(), 0.0f), -0.8733508f);
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EXPECT_DOUBLE_EQ(rand.nrandd(1.0, 0.0), -1.6134212525108711);
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EXPECT_DOUBLE_EQ(rand.nrandd(1.5, 4.0), 4.1692477323762258);
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EXPECT_DOUBLE_EQ(rand.nrandd(0.1, 3.0), 2.8561578555964706);
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EXPECT_DOUBLE_EQ(rand.nrandd(5.0, -10.0), -15.805748549670087);
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EXPECT_DOUBLE_EQ(rand.nrandd(rand.randd(), 0.0), -0.3154774175319317);
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EXPECT_DOUBLE_EQ(rand.nrandd(rand.randd(), 0.0), 0.074425803794012854);
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EXPECT_DOUBLE_EQ(rand.nrandd(rand.randd(), 0.0), 0.45895995279014684);
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EXPECT_EQ(rand.stochasticRound(0.7), 1);
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EXPECT_EQ(rand.stochasticRound(0.7), 1);
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EXPECT_EQ(rand.stochasticRound(0.7), 1);
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EXPECT_EQ(rand.stochasticRound(0.7), 1);
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EXPECT_EQ(rand.stochasticRound(0.7), 0);
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EXPECT_EQ(rand.stochasticRound(0.7), 1);
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EXPECT_EQ(rand.stochasticRound(0.7), 1);
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EXPECT_EQ(rand.stochasticRound(0.7), 0);
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EXPECT_EQ(rand.stochasticRound(0.7), 1);
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EXPECT_EQ(rand.stochasticRound(0.1), 0);
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EXPECT_EQ(rand.stochasticRound(0.1), 0);
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EXPECT_EQ(rand.stochasticRound(0.1), 0);
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EXPECT_EQ(rand.stochasticRound(0.1), 0);
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EXPECT_EQ(rand.stochasticRound(0.1), 0);
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EXPECT_EQ(rand.stochasticRound(0.1), 0);
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EXPECT_EQ(rand.stochasticRound(0.1), 0);
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EXPECT_EQ(rand.stochasticRound(0.1), 0);
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EXPECT_EQ(rand.stochasticRound(0.1), 0);
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EXPECT_EQ(rand.stochasticRound(0.1), 0);
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EXPECT_EQ(rand.stochasticRound(0.1), 0);
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EXPECT_EQ(rand.stochasticRound(0.1), 1);
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EXPECT_EQ(rand.stochasticRound(0.1), 0);
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EXPECT_EQ(rand.stochasticRound(0.1), 0);
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}
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TEST(StaticRandomTest, All) {
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EXPECT_EQ(staticRandomU64("test1", 999, "test2"), 17057684957748924255u);
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EXPECT_EQ(staticRandomU64("test1", 1000, "test2"), 17136762056491983648u);
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EXPECT_EQ(staticRandomU64("test1", 1001, "test2"), 10826209999926048792u);
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EXPECT_EQ(staticRandomU64("test1", 1002, "test2"), 10190371075442159783u);
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EXPECT_EQ(staticRandomU64("test1", 1003, "test2"), 16325723287291511625u);
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EXPECT_EQ(staticRandomU64("test1", 1004, "test2"), 6061201707788279217u);
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EXPECT_EQ(staticRandomU64("test1", 1005, "test2"), 13034875300321135291u);
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EXPECT_EQ(staticRandomU32("test1", 999, "test2"), 3893169212u);
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EXPECT_EQ(staticRandomU32("test1", 1000, "test2"), 1330274955u);
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EXPECT_EQ(staticRandomU32("test1", 1001, "test2"), 2268597334u);
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EXPECT_EQ(staticRandomU32("test1", 1002, "test2"), 1221477368u);
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EXPECT_EQ(staticRandomU32("test1", 1003, "test2"), 271894555u);
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EXPECT_EQ(staticRandomU32("test1", 1004, "test2"), 2464836468u);
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EXPECT_EQ(staticRandomU32("test1", 1005, "test2"), 3808877030u);
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}
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