Python Random.init_by_array Examples

Example #1

File: test_rrandom.py Project: TheDunn/flex-pypy

def test_init_by_array():
    rnd = Random()
    rnd.init_by_array([1, 2, 3, 4])
    assert rnd.state[:14] == [2147483648, 1269538435, 699006892, 381364451,
            172015551, 3237099449, 3609464087, 2187366456, 654585064,
            2665903765, 3735624613, 1241943673, 2038528247, 3774211972]
    # try arrays of various sizes to test for corner cases
    for size in [N, N - 1, N + 1, N // 2, 2 * N]:
        rnd.init_by_array(range(N))

Example #2

def test_init_by_array():
    rnd = Random()
    rnd.init_by_array([r_uint(n) for n in [1, 2, 3, 4]])
    assert rnd.state[:14] == [2147483648, 1269538435, 699006892, 381364451,
            172015551, 3237099449, 3609464087, 2187366456, 654585064,
            2665903765, 3735624613, 1241943673, 2038528247, 3774211972]
    # try arrays of various sizes to test for corner cases
    for size in [N, N - 1, N + 1, N // 2, 2 * N]:
        rnd.init_by_array([r_uint(n) for n in range(N)])

Example #3

File: test_rrandom.py Project: TheDunn/flex-pypy

 def f(x, y):
     rnd = Random(x)
     rnd.init_by_array([x, y])
     rnd.jumpahead(y)
     return rnd.genrand32(), rnd.random()

Example #4

 def f(x, y):
     rnd = Random(x)
     rnd.init_by_array([x, y])
     rnd.jumpahead(intmask(y))
     return rnd.genrand32(), rnd.random()