120   Matrix3F eigenvectors = Matrix3F::Zeros();  in TEST()  local
121   Vector3dF eigenvals = matrix.SolveEigenproblem(&eigenvectors);  in TEST()
124   EXPECT_EQ(Vector3dF(0.0f, 0.0f, 1.0f), eigenvectors.get_column(0));  in TEST()
125   EXPECT_EQ(Vector3dF(1.0f, 0.0f, 0.0f), eigenvectors.get_column(1));  in TEST()
126   EXPECT_EQ(Vector3dF(0.0f, 1.0f, 0.0f), eigenvectors.get_column(2));  in TEST()
136   Matrix3F eigenvectors = Matrix3F::Zeros();  in TEST()  local
137   Vector3dF eigenvals = matrix.SolveEigenproblem(&eigenvectors);  in TEST()
142               (expected_principal - eigenvectors.get_column(0)).Length(),  in TEST()
150   Matrix3F eigenvectors = Matrix3F::Zeros();  in TEST()  local
153   Vector3dF eigenvals =  matrix.SolveEigenproblem(&eigenvectors);  in TEST()
160   EXPECT_TRUE(expected_eigenvectors.IsNear(eigenvectors, 0.00001f));  in TEST()