Function TEST

source/test/random_test.cpp:7–156

using namespace Star;

TEST(RandTest, All) {
  RandomSource rand(31415926);
  EXPECT_EQ(rand.randu32(), 2950892229u);
  EXPECT_EQ(rand.randu32(), 1418047276u);
  EXPECT_EQ(rand.randu32(), 3790079132u);
  EXPECT_EQ(rand.randu32(), 445970691u);
  EXPECT_EQ(rand.randu32(), 2728181679u);

  rand.addEntropy(27182818);
  EXPECT_EQ(rand.randu32(), 3255590103u);
  EXPECT_EQ(rand.randu32(), 678168874u);
  EXPECT_EQ(rand.randu32(), 3814633989u);
  EXPECT_EQ(rand.randu32(), 4070190392u);
  EXPECT_EQ(rand.randu32(), 265077625u);

  for (auto i = 0; i < 1e5; ++i)
    rand.randu32();

  EXPECT_EQ(rand.randu32(), 724230938u);

  EXPECT_EQ(rand.randf(), 0.6708741188049316f);
  EXPECT_EQ(rand.randf(), 0.3297619521617889f);
  EXPECT_EQ(rand.randf(), 0.2407863438129425f);
  EXPECT_EQ(rand.randf(), 0.2388365715742111f);
  EXPECT_EQ(rand.randf(), 0.8430468440055847f);
  EXPECT_EQ(rand.randf(), 0.5036200881004333f);
  EXPECT_EQ(rand.randf(), 0.2279680222272873f);

  EXPECT_EQ(rand.randd(), 0.0993789769271370693193290435374);
  EXPECT_EQ(rand.randd(), 0.489891395527775608265130813379);
  EXPECT_EQ(rand.randd(), 0.609412270506578757078841590555);
  EXPECT_EQ(rand.randd(), 0.838596715529411951273175418464);
  EXPECT_EQ(rand.randd(), 0.556277078882413622551439402741);
  EXPECT_EQ(rand.randd(), 0.575903901290708120086492272094);
  EXPECT_EQ(rand.randd(), 0.721894899474715856513284961693);

  EXPECT_EQ(rand.randu32(), 2870093081u);
  EXPECT_EQ(rand.randu64(), 16492986915519838998u);
  EXPECT_EQ(rand.randu32(), 1029635267u);
  EXPECT_EQ(rand.randu32(), 1469630330u);
  EXPECT_EQ(rand.randu32(), 2017291831u);
  EXPECT_EQ(rand.randu32(), 2167938696u);
  EXPECT_EQ(rand.randu64(), 7889337349893562706u);
  EXPECT_EQ(rand.randu64(), 11595813817497350001u);
  EXPECT_EQ(rand.randu64(), 14292979134113073402u);
  EXPECT_EQ(rand.randu32(), 119058573u);

  EXPECT_EQ(rand.randi32(), -1995152573);
  EXPECT_EQ(rand.randi32(), 1717688829);
  EXPECT_EQ(rand.randi64(), -4500435351487619671);
  EXPECT_EQ(rand.randi32(), 644788487);
  EXPECT_EQ(rand.randi64(), 2370131680533925071);
  EXPECT_EQ(rand.randi64(), -7391462988205297660);
  EXPECT_EQ(rand.randi32(), 817418170);
  EXPECT_EQ(rand.randi64(), -3754584120231434991);
  EXPECT_EQ(rand.randi64(), -2585223751692222899);

  EXPECT_EQ(rand.randInt(34), 20);