Eigen SymmetricMatrix Implementation not fully symmetric (was: Wrapper fails assignment test for SymmetricMatrix wrapper class)

[toeklk]

(See Pull request #1 )

When using the Eigen library (3.3.3, from homebrew) on mac os x (Sierra), test_matrixwrapper throws an assertion regarding the use of the assignment operator in a symmetric matrix.

4: Test command: /Users/kgad/git/orocos-bayesian-filtering/orocos_bfl/build-macosx-eigen/tests/test_matrixwrapper
4: Test timeout computed to be: 9.99988e+06
4: .F
4:
4: /Users/kgad/git/orocos-bayesian-filtering/orocos_bfl/tests/matrixwrapper_test.cpp:119: Assertion 4: Test name: MatrixwrapperTest::testMatrixwrapperValue 4: equality assertion failed 4: - Expected: 0 4: - Actual : 7 4: 4: Failures !!! 4: Run: 1 Failure total: 1 Failures: 1 Errors: 0 4/7 Test #
4: test_matrixwrapper ...............***Failed 0.01 sec
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