38   RollingAccumulator<int> accum(10);  in TEST()  local
40   EXPECT_EQ(0U, accum.count());  in TEST()
41   EXPECT_DOUBLE_EQ(0.0, accum.ComputeMean());  in TEST()
42   EXPECT_DOUBLE_EQ(0.0, accum.ComputeVariance());  in TEST()
43   EXPECT_EQ(0, accum.ComputeMin());  in TEST()
44   EXPECT_EQ(0, accum.ComputeMax());  in TEST()
48   RollingAccumulator<int> accum(10);  in TEST()  local
50     accum.AddSample(i);  in TEST()
53   EXPECT_EQ(4U, accum.count());  in TEST()
54   EXPECT_DOUBLE_EQ(1.5, accum.ComputeMean());  in TEST()
55   EXPECT_NEAR(2.26666, accum.ComputeWeightedMean(kLearningRate), 0.01);  in TEST()
56   EXPECT_DOUBLE_EQ(1.25, accum.ComputeVariance());  in TEST()
57   EXPECT_EQ(0, accum.ComputeMin());  in TEST()
58   EXPECT_EQ(3, accum.ComputeMax());  in TEST()
62   RollingAccumulator<int> accum(10);  in TEST()  local
64     accum.AddSample(i);  in TEST()
67   EXPECT_EQ(10U, accum.count());  in TEST()
68   EXPECT_DOUBLE_EQ(6.5, accum.ComputeMean());  in TEST()
69   EXPECT_NEAR(10.0, accum.ComputeWeightedMean(kLearningRate), 0.01);  in TEST()
70   EXPECT_NEAR(9.0, accum.ComputeVariance(), 1.0);  in TEST()
71   EXPECT_EQ(2, accum.ComputeMin());  in TEST()
72   EXPECT_EQ(11, accum.ComputeMax());  in TEST()
76   RollingAccumulator<int> accum(10);  in TEST()  local
79     accum.AddSample(100);  in TEST()
81   EXPECT_EQ(10U, accum.count());  in TEST()
82   EXPECT_DOUBLE_EQ(100.0, accum.ComputeMean());  in TEST()
83   EXPECT_EQ(100, accum.ComputeMin());  in TEST()
84   EXPECT_EQ(100, accum.ComputeMax());  in TEST()
86   accum.Reset();  in TEST()
87   EXPECT_EQ(0U, accum.count());  in TEST()
90     accum.AddSample(i);  in TEST()
93   EXPECT_EQ(5U, accum.count());  in TEST()
94   EXPECT_DOUBLE_EQ(2.0, accum.ComputeMean());  in TEST()
95   EXPECT_EQ(0, accum.ComputeMin());  in TEST()
96   EXPECT_EQ(4, accum.ComputeMax());  in TEST()
100   RollingAccumulator<double> accum(10);  in TEST()  local
102     accum.AddSample(5 * i);  in TEST()
105   EXPECT_EQ(10u, accum.count());  in TEST()
106   EXPECT_DOUBLE_EQ(87.5, accum.ComputeMean());  in TEST()
107   EXPECT_NEAR(105.049, accum.ComputeWeightedMean(kLearningRate), 0.1);  in TEST()
108   EXPECT_NEAR(229.166667, accum.ComputeVariance(), 25);  in TEST()
109   EXPECT_DOUBLE_EQ(65.0, accum.ComputeMin());  in TEST()
110   EXPECT_DOUBLE_EQ(110.0, accum.ComputeMax());  in TEST()
114   RollingAccumulator<int> accum(10);  in TEST()  local
115   EXPECT_DOUBLE_EQ(0.0, accum.ComputeWeightedMean(kLearningRate));  in TEST()
116   EXPECT_DOUBLE_EQ(0.0, accum.ComputeWeightedMean(0.0));  in TEST()
117   EXPECT_DOUBLE_EQ(0.0, accum.ComputeWeightedMean(1.1));  in TEST()
120     accum.AddSample(i);  in TEST()
123   EXPECT_DOUBLE_EQ(3.5, accum.ComputeMean());  in TEST()
124   EXPECT_DOUBLE_EQ(3.5, accum.ComputeWeightedMean(0));  in TEST()
125   EXPECT_DOUBLE_EQ(3.5, accum.ComputeWeightedMean(1.1));  in TEST()
126   EXPECT_NEAR(6.0, accum.ComputeWeightedMean(kLearningRate), 0.1);  in TEST()