| 11 | } |
| 12 | |
| 13 | TEST(ProbabilityUtilities, TestShannonEntropy) { |
| 14 | const auto fmt = getDefaultFormat(); |
| 15 | { // test case 1: no entropy |
| 16 | Eigen::VectorXd p = getBinaryProbability(0.0); |
| 17 | EXPECT_NEAR(shannonEntropy(p), 0.0, 1.0e-9) << "input: " << p.format(fmt); |
| 18 | } |
| 19 | |
| 20 | { // test case 2: also no entropy |
| 21 | Eigen::VectorXd p = getBinaryProbability(1.0); |
| 22 | EXPECT_NEAR(shannonEntropy(p), 0.0, 1.0e-9) << "input: " << p.format(fmt); |
| 23 | } |
| 24 | |
| 25 | { // test case 3: max entropy (of 1 bit) |
| 26 | Eigen::VectorXd p = getBinaryProbability(0.5); |
| 27 | EXPECT_NEAR(shannonEntropy(p), 1.0, 1.0e-9) << "input: " << p.format(fmt); |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | TEST(ProbabilityUtilities, TestJSDivergence) { |
| 32 | { // test case 1: complete divergence |
nothing calls this directly
no test coverage detected