Python partitionの例

コード例 #1

ファイル: test_comb_numbers.py プロジェクト: Lenqth/sympy

def test_partition():
    partition_nums = [1, 1, 2, 3, 5, 7, 11, 15, 22]
    for n, p in enumerate(partition_nums):
        assert partition(n) == p

    x = Symbol('x')
    y = Symbol('y', real=True)
    m = Symbol('m', integer=True)
    n = Symbol('n', integer=True, negative=True)
    p = Symbol('p', integer=True, nonnegative=True)
    assert partition(m).is_integer
    assert not partition(m).is_negative
    assert partition(m).is_nonnegative
    assert partition(n).is_zero
    assert partition(p).is_positive
    assert partition(x).subs(x, 7) == 15
    assert partition(y).subs(y, 8) == 22
    raises(ValueError, lambda: partition(S(5)/4))

コード例 #2

ファイル: test_comb_numbers.py プロジェクト: zabatistas/sympy

def test_partition():
    partition_nums = [1, 1, 2, 3, 5, 7, 11, 15, 22]
    for n, p in enumerate(partition_nums):
        assert partition(n) == p

    x = Symbol('x')
    y = Symbol('y', real=True)
    m = Symbol('m', integer=True)
    n = Symbol('n', integer=True, negative=True)
    p = Symbol('p', integer=True, nonnegative=True)
    assert partition(m).is_integer
    assert not partition(m).is_negative
    assert partition(m).is_nonnegative
    assert partition(n).is_zero
    assert partition(p).is_positive
    assert partition(x).subs(x, 7) == 15
    assert partition(y).subs(y, 8) == 22
    raises(ValueError, lambda: partition(S(5) / 4))

コード例 #3

ファイル: test_comb_numbers.py プロジェクト: msgoff/sympy

def test_partition():
    partition_nums = [1, 1, 2, 3, 5, 7, 11, 15, 22]
    for n, p in enumerate(partition_nums):
        assert partition(n) == p

    x = Symbol("x")
    y = Symbol("y", real=True)
    m = Symbol("m", integer=True)
    n = Symbol("n", integer=True, negative=True)
    p = Symbol("p", integer=True, nonnegative=True)
    assert partition(m).is_integer
    assert not partition(m).is_negative
    assert partition(m).is_nonnegative
    assert partition(n).is_zero
    assert partition(p).is_positive
    assert partition(x).subs(x, 7) == 15
    assert partition(y).subs(y, 8) == 22
    raises(ValueError, lambda: partition(Rational(5, 4)))