def test_col_op():
    e = eye_Reductions(3)

    raises(ValueError, lambda: e.elementary_col_op("abc"))
    raises(ValueError, lambda: e.elementary_col_op())
    raises(ValueError, lambda: e.elementary_col_op('n->kn', col=5, k=5))
    raises(ValueError, lambda: e.elementary_col_op('n->kn', col=-5, k=5))
    raises(ValueError, lambda: e.elementary_col_op('n<->m', col1=1, col2=5))
    raises(ValueError, lambda: e.elementary_col_op('n<->m', col1=5, col2=1))
    raises(ValueError, lambda: e.elementary_col_op('n<->m', col1=-5, col2=1))
    raises(ValueError, lambda: e.elementary_col_op('n<->m', col1=1, col2=-5))
    raises(ValueError, lambda: e.elementary_col_op('n->n+km', col1=1, col2=5, k=5))
    raises(ValueError, lambda: e.elementary_col_op('n->n+km', col1=5, col2=1, k=5))
    raises(ValueError, lambda: e.elementary_col_op('n->n+km', col1=-5, col2=1, k=5))
    raises(ValueError, lambda: e.elementary_col_op('n->n+km', col1=1, col2=-5, k=5))
    raises(ValueError, lambda: e.elementary_col_op('n->n+km', col1=1, col2=1, k=5))

    # test various ways to set arguments
    assert e.elementary_col_op("n->kn", 0, 5) == Matrix([[5, 0, 0], [0, 1, 0], [0, 0, 1]])
    assert e.elementary_col_op("n->kn", 1, 5) == Matrix([[1, 0, 0], [0, 5, 0], [0, 0, 1]])
    assert e.elementary_col_op("n->kn", col=1, k=5) == Matrix([[1, 0, 0], [0, 5, 0], [0, 0, 1]])
    assert e.elementary_col_op("n->kn", col1=1, k=5) == Matrix([[1, 0, 0], [0, 5, 0], [0, 0, 1]])
    assert e.elementary_col_op("n<->m", 0, 1) == Matrix([[0, 1, 0], [1, 0, 0], [0, 0, 1]])
    assert e.elementary_col_op("n<->m", col1=0, col2=1) == Matrix([[0, 1, 0], [1, 0, 0], [0, 0, 1]])
    assert e.elementary_col_op("n<->m", col=0, col2=1) == Matrix([[0, 1, 0], [1, 0, 0], [0, 0, 1]])
    assert e.elementary_col_op("n->n+km", 0, 5, 1) == Matrix([[1, 0, 0], [5, 1, 0], [0, 0, 1]])
    assert e.elementary_col_op("n->n+km", col=0, k=5, col2=1) == Matrix([[1, 0, 0], [5, 1, 0], [0, 0, 1]])
    assert e.elementary_col_op("n->n+km", col1=0, k=5, col2=1) == Matrix([[1, 0, 0], [5, 1, 0], [0, 0, 1]])

    # make sure the matrix doesn't change size
    a = ReductionsOnlyMatrix(2, 3, [0]*6)
    assert a.elementary_col_op("n->kn", 1, 5) == Matrix(2, 3, [0]*6)
    assert a.elementary_col_op("n<->m", 0, 1) == Matrix(2, 3, [0]*6)
    assert a.elementary_col_op("n->n+km", 0, 5, 1) == Matrix(2, 3, [0]*6)
Beispiel #2
0
def test_col_op():
    e = eye_Reductions(3)

    raises(ValueError, lambda: e.elementary_col_op("abc"))
    raises(ValueError, lambda: e.elementary_col_op())
    raises(ValueError, lambda: e.elementary_col_op('n->kn', col=5, k=5))
    raises(ValueError, lambda: e.elementary_col_op('n->kn', col=-5, k=5))
    raises(ValueError, lambda: e.elementary_col_op('n<->m', col1=1, col2=5))
    raises(ValueError, lambda: e.elementary_col_op('n<->m', col1=5, col2=1))
    raises(ValueError, lambda: e.elementary_col_op('n<->m', col1=-5, col2=1))
    raises(ValueError, lambda: e.elementary_col_op('n<->m', col1=1, col2=-5))
    raises(ValueError, lambda: e.elementary_col_op('n->n+km', col1=1, col2=5, k=5))
    raises(ValueError, lambda: e.elementary_col_op('n->n+km', col1=5, col2=1, k=5))
    raises(ValueError, lambda: e.elementary_col_op('n->n+km', col1=-5, col2=1, k=5))
    raises(ValueError, lambda: e.elementary_col_op('n->n+km', col1=1, col2=-5, k=5))
    raises(ValueError, lambda: e.elementary_col_op('n->n+km', col1=1, col2=1, k=5))

    # test various ways to set arguments
    assert e.elementary_col_op("n->kn", 0, 5) == Matrix([[5, 0, 0], [0, 1, 0], [0, 0, 1]])
    assert e.elementary_col_op("n->kn", 1, 5) == Matrix([[1, 0, 0], [0, 5, 0], [0, 0, 1]])
    assert e.elementary_col_op("n->kn", col=1, k=5) == Matrix([[1, 0, 0], [0, 5, 0], [0, 0, 1]])
    assert e.elementary_col_op("n->kn", col1=1, k=5) == Matrix([[1, 0, 0], [0, 5, 0], [0, 0, 1]])
    assert e.elementary_col_op("n<->m", 0, 1) == Matrix([[0, 1, 0], [1, 0, 0], [0, 0, 1]])
    assert e.elementary_col_op("n<->m", col1=0, col2=1) == Matrix([[0, 1, 0], [1, 0, 0], [0, 0, 1]])
    assert e.elementary_col_op("n<->m", col=0, col2=1) == Matrix([[0, 1, 0], [1, 0, 0], [0, 0, 1]])
    assert e.elementary_col_op("n->n+km", 0, 5, 1) == Matrix([[1, 0, 0], [5, 1, 0], [0, 0, 1]])
    assert e.elementary_col_op("n->n+km", col=0, k=5, col2=1) == Matrix([[1, 0, 0], [5, 1, 0], [0, 0, 1]])
    assert e.elementary_col_op("n->n+km", col1=0, k=5, col2=1) == Matrix([[1, 0, 0], [5, 1, 0], [0, 0, 1]])

    # make sure the matrix doesn't change size
    a = ReductionsOnlyMatrix(2, 3, [0]*6)
    assert a.elementary_col_op("n->kn", 1, 5) == Matrix(2, 3, [0]*6)
    assert a.elementary_col_op("n<->m", 0, 1) == Matrix(2, 3, [0]*6)
    assert a.elementary_col_op("n->n+km", 0, 5, 1) == Matrix(2, 3, [0]*6)