def test_posdef_symmetric3():
 data = np.array([[1.0, 1], [1, 1]], dtype=theano.config.floatX)
 assert (mv.posdef(data) == 0)

def test_posdef_symmetric3 ( ) : data = np . array ( [ [ 1.0 , 1 ] , [ 1 , 1 ] ] , dtype = theano . config . floatX ) assert ( mv . posdef ( data ) == 0 )
the test return 0 if the matrix has 0 eigenvalue .