[mlpack-git] master: cov matrices should be symmetric- fixes error in gaussian test case (5405d31)
gitdub at big.cc.gt.atl.ga.us
gitdub at big.cc.gt.atl.ga.us
Wed Feb 4 13:59:59 EST 2015
Repository : https://github.com/mlpack/mlpack
On branch : master
Link : https://github.com/mlpack/mlpack/compare/b4c08074ca03feaf38511e62fd0e928330b99d93...5405d315de3db90fb652b13441f68c2c482286f3
>---------------------------------------------------------------
commit 5405d315de3db90fb652b13441f68c2c482286f3
Author: Stephen Tu <tu.stephenl at gmail.com>
Date: Wed Feb 4 10:56:16 2015 -0800
cov matrices should be symmetric- fixes error in gaussian test case
>---------------------------------------------------------------
5405d315de3db90fb652b13441f68c2c482286f3
src/mlpack/tests/distribution_test.cpp | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/src/mlpack/tests/distribution_test.cpp b/src/mlpack/tests/distribution_test.cpp
index c5d9ced..f4f6b50 100644
--- a/src/mlpack/tests/distribution_test.cpp
+++ b/src/mlpack/tests/distribution_test.cpp
@@ -240,18 +240,18 @@ BOOST_AUTO_TEST_CASE(GaussianMultivariateProbabilityTest)
BOOST_REQUIRE_CLOSE(g.Probability(-x), 0.0795774715459477, 1e-5);
g.Mean() = "1 1";
- covariance = "2 1.5; 1 4";
+ covariance = "2 1.5; 1.5 4";
g.Covariance(std::move(covariance));
- BOOST_REQUIRE_CLOSE(g.Probability(x), 0.060154914192541771, 1e-5);
+ BOOST_REQUIRE_CLOSE(g.Probability(x), 0.066372199406187285, 1e-5);
g.Mean() *= -1;
- BOOST_REQUIRE_CLOSE(g.Probability(-x), 0.060154914192541771, 1e-5);
+ BOOST_REQUIRE_CLOSE(g.Probability(-x), 0.066372199406187285, 1e-5);
g.Mean() = "1 1";
x = "-1 4";
- BOOST_REQUIRE_CLOSE(g.Probability(x), 0.0022506270186086271, 1e-5);
- BOOST_REQUIRE_CLOSE(g.Probability(-x), 0.0016912950996661141, 1e-5);
+ BOOST_REQUIRE_CLOSE(g.Probability(x), 0.00072147262356379415, 1e-5);
+ BOOST_REQUIRE_CLOSE(g.Probability(-x), 0.00085851785428674523, 1e-5);
// Higher-dimensional case.
x = "0 1 2 3 4";
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