def test_bitpack():
for _ in range(10):
values = np.random.randint(0, 15000, size=np.random.randint(10, 100), dtype=np.int32)
width = encoding.width_from_max_int(values.max())
o = encoding.Numpy8(np.zeros(900, dtype=np.uint8))
writer.encode_bitpacked(values, width, o)
o.loc = 0
head = encoding.read_unsigned_var_int(o)
out = encoding.Numpy32(np.zeros(300, dtype=np.int32))
encoding.read_bitpacked(o, head, width, out)
assert (values == out.so_far()[: len(values)]).all()
assert out.so_far()[len(values) :].sum() == 0 # zero padding
assert out.loc - len(values) < 8
def test_bitpack():
for _ in range(10):
values = np.random.randint(0, 15000, size=np.random.randint(10, 100),
dtype=np.int32)
width = encoding.width_from_max_int(values.max())
o = encoding.Numpy8(np.zeros(900, dtype=np.uint8))
writer.encode_bitpacked(values, width, o)
o.loc = 0
head = encoding.read_unsigned_var_int(o)
out = encoding.Numpy32(np.zeros(300, dtype=np.int32))
encoding.read_bitpacked(o, head, width, out)
assert (values == out.so_far()[:len(values)]).all()
assert out.so_far()[len(values):].sum() == 0 # zero padding
assert out.loc - len(values) < 8
def test_rle_bp():
for _ in range(10):
values = np.random.randint(0, 15000, size=np.random.randint(10, 100), dtype=np.int32)
out = encoding.Numpy32(np.empty(len(values) + 5, dtype=np.int32))
o = encoding.Numpy8(np.zeros(900, dtype=np.uint8))
width = encoding.width_from_max_int(values.max())
# without length
writer.encode_rle_bp(values, width, o)
l = o.loc
o.loc = 0
encoding.read_rle_bit_packed_hybrid(o, width, length=l, o=out)
assert (out.so_far()[: len(values)] == values).all()
def test_rle_bp():
for _ in range(10):
values = np.random.randint(0, 15000, size=np.random.randint(10, 100),
dtype=np.int32)
out = encoding.Numpy32(np.empty(len(values) + 5, dtype=np.int32))
o = encoding.Numpy8(np.zeros(900, dtype=np.uint8))
width = encoding.width_from_max_int(values.max())
# without length
writer.encode_rle_bp(values, width, o)
l = o.loc
o.loc = 0
encoding.read_rle_bit_packed_hybrid(o, width, length=l, o=out)
assert (out.so_far()[:len(values)] == values).all()
