def test_matrix2numpy_conversion():
a = Matrix([[1, 2, sin(x)], [x**2, x, Rational(1, 2)]])
b = numpy.array([[1, 2, sin(x)], [x**2, x, Rational(1, 2)]])
assert (matrix2numpy(a) == b).all()
assert matrix2numpy(a).dtype == numpy.dtype('object')
c = matrix2numpy(Matrix([[1, 2], [10, 20]]), dtype='int8')
d = matrix2numpy(Matrix([[1, 2], [10, 20]]), dtype='float64')
assert c.dtype == numpy.dtype('int8')
assert d.dtype == numpy.dtype('float64')
def test_matrix2numpy():
a = matrix2numpy(Matrix([[1, x**2], [3 * sin(x), 0]]))
assert isinstance(a, numpy.ndarray)
assert a.shape == (2, 2)
assert a[0, 0] == 1
assert a[0, 1] == x**2
assert a[1, 0] == 3 * sin(x)
assert a[1, 1] == 0