test_indexing.py 文件源码

def test_matrix_fancy(self):
        # The matrix class messes with the shape. While this is always
        # weird (getitem is not used, it does not have setitem nor knows
        # about fancy indexing), this tests gh-3110
        m = np.matrix([[1, 2], [3, 4]])

        assert_(isinstance(m[[0,1,0], :], np.matrix))

        # gh-3110. Note the transpose currently because matrices do *not*
        # support dimension fixing for fancy indexing correctly.
        x = np.asmatrix(np.arange(50).reshape(5,10))
        assert_equal(x[:2, np.array(-1)], x[:2, -1].T)