def test_basic(self):
from numpy1.random import rand
a = rand(20, 10, 10, 1, 1)
b = rand(20, 1, 10, 1, 20)
c = rand(1, 1, 20, 10)
assert_array_equal(np.squeeze(a), np.reshape(a, (20, 10, 10)))
assert_array_equal(np.squeeze(b), np.reshape(b, (20, 10, 20)))
assert_array_equal(np.squeeze(c), np.reshape(c, (20, 10)))
# Squeezing to 0-dim should still give an ndarray
a = [[[1.5]]]
res = np.squeeze(a)
assert_equal(res, 1.5)
assert_equal(res.ndim, 0)
assert_equal(type(res), np.ndarray)
def test_check_large_pad(self):
a = np.arange(12)
a = np.reshape(a, (3, 4))
a = pad(a, (10, 12), 'wrap')
b = np.array(
[[10, 11, 8, 9, 10, 11, 8, 9, 10, 11, 8, 9, 10, 11, 8, 9, 10,
11, 8, 9, 10, 11, 8, 9, 10, 11],
[2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2,
3, 0, 1, 2, 3, 0, 1, 2, 3],
[6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6,
7, 4, 5, 6, 7, 4, 5, 6, 7],
[10, 11, 8, 9, 10, 11, 8, 9, 10, 11, 8, 9, 10, 11, 8, 9, 10,
11, 8, 9, 10, 11, 8, 9, 10, 11],
[2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2,
3, 0, 1, 2, 3, 0, 1, 2, 3],
[6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6,
7, 4, 5, 6, 7, 4, 5, 6, 7],
[10, 11, 8, 9, 10, 11, 8, 9, 10, 11, 8, 9, 10, 11, 8, 9, 10,
11, 8, 9, 10, 11, 8, 9, 10, 11],
[2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2,
3, 0, 1, 2, 3, 0, 1, 2, 3],
[6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6,
7, 4, 5, 6, 7, 4, 5, 6, 7],
[10, 11, 8, 9, 10, 11, 8, 9, 10, 11, 8, 9, 10, 11, 8, 9, 10,
11, 8, 9, 10, 11, 8, 9, 10, 11],
[2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2,
3, 0, 1, 2, 3, 0, 1, 2, 3],
[6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6,
7, 4, 5, 6, 7, 4, 5, 6, 7],
[10, 11, 8, 9, 10, 11, 8, 9, 10, 11, 8, 9, 10, 11, 8, 9, 10,
11, 8, 9, 10, 11, 8, 9, 10, 11],
[2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2,
3, 0, 1, 2, 3, 0, 1, 2, 3],
[6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6,
7, 4, 5, 6, 7, 4, 5, 6, 7],
[10, 11, 8, 9, 10, 11, 8, 9, 10, 11, 8, 9, 10, 11, 8, 9, 10,
11, 8, 9, 10, 11, 8, 9, 10, 11],
[2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2,
3, 0, 1, 2, 3, 0, 1, 2, 3],
[6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6,
7, 4, 5, 6, 7, 4, 5, 6, 7],
[10, 11, 8, 9, 10, 11, 8, 9, 10, 11, 8, 9, 10, 11, 8, 9, 10,
11, 8, 9, 10, 11, 8, 9, 10, 11],
[2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2,
3, 0, 1, 2, 3, 0, 1, 2, 3],
[6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6,
7, 4, 5, 6, 7, 4, 5, 6, 7],
[10, 11, 8, 9, 10, 11, 8, 9, 10, 11, 8, 9, 10, 11, 8, 9, 10,
11, 8, 9, 10, 11, 8, 9, 10, 11],
[2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2,
3, 0, 1, 2, 3, 0, 1, 2, 3],
[6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6,
7, 4, 5, 6, 7, 4, 5, 6, 7],
[10, 11, 8, 9, 10, 11, 8, 9, 10, 11, 8, 9, 10, 11, 8, 9, 10,
11, 8, 9, 10, 11, 8, 9, 10, 11]]
)
assert_array_equal(a, b)
def test_check_simple(self):
a = np.arange(12)
a = np.reshape(a, (4, 3))
a = pad(a, np.array(((2, 3), (3, 2))), 'edge')
b = np.array(
[[0, 0, 0, 0, 1, 2, 2, 2],
[0, 0, 0, 0, 1, 2, 2, 2],
[0, 0, 0, 0, 1, 2, 2, 2],
[3, 3, 3, 3, 4, 5, 5, 5],
[6, 6, 6, 6, 7, 8, 8, 8],
[9, 9, 9, 9, 10, 11, 11, 11],
[9, 9, 9, 9, 10, 11, 11, 11],
[9, 9, 9, 9, 10, 11, 11, 11],
[9, 9, 9, 9, 10, 11, 11, 11]]
)
assert_array_equal(a, b)
def test_check_simple(self):
a = np.arange(30)
a = np.reshape(a, (6, 5))
a = pad(a, ((2, 3), (3, 2)), mode='mean', stat_length=(3,))
b = np.array(
[[6, 6, 6, 5, 6, 7, 8, 9, 8, 8],
[6, 6, 6, 5, 6, 7, 8, 9, 8, 8],
[1, 1, 1, 0, 1, 2, 3, 4, 3, 3],
[6, 6, 6, 5, 6, 7, 8, 9, 8, 8],
[11, 11, 11, 10, 11, 12, 13, 14, 13, 13],
[16, 16, 16, 15, 16, 17, 18, 19, 18, 18],
[21, 21, 21, 20, 21, 22, 23, 24, 23, 23],
[26, 26, 26, 25, 26, 27, 28, 29, 28, 28],
[21, 21, 21, 20, 21, 22, 23, 24, 23, 23],
[21, 21, 21, 20, 21, 22, 23, 24, 23, 23],
[21, 21, 21, 20, 21, 22, 23, 24, 23, 23]]
)
assert_array_equal(a, b)
def __new__(cls, shape, dtype=None, buf=None, offset=0, strides=None,
formats=None, names=None, titles=None,
byteorder=None, aligned=False,
mask=nomask, hard_mask=False, fill_value=None, keep_mask=True,
copy=False,
**options):
self = recarray.__new__(cls, shape, dtype=dtype, buf=buf, offset=offset,
strides=strides, formats=formats, names=names,
titles=titles, byteorder=byteorder,
aligned=aligned,)
mdtype = ma.make_mask_descr(self.dtype)
if mask is nomask or not np.size(mask):
if not keep_mask:
self._mask = tuple([False] * len(mdtype))
else:
mask = np.array(mask, copy=copy)
if mask.shape != self.shape:
(nd, nm) = (self.size, mask.size)
if nm == 1:
mask = np.resize(mask, self.shape)
elif nm == nd:
mask = np.reshape(mask, self.shape)
else:
msg = "Mask and data not compatible: data size is %i, " + \
"mask size is %i."
raise MAError(msg % (nd, nm))
copy = True
if not keep_mask:
self.__setmask__(mask)
self._sharedmask = True
else:
if mask.dtype == mdtype:
_mask = mask
else:
_mask = np.array([tuple([m] * len(mdtype)) for m in mask],
dtype=mdtype)
self._mask = _mask
return self
def test_zero_pad_width(self):
arr = np.arange(30)
arr = np.reshape(arr, (6, 5))
for pad_width in (0, (0, 0), ((0, 0), (0, 0))):
assert_array_equal(arr, pad(arr, pad_width, mode='constant'))
def test_check_wrong_pad_amount(self):
arr = np.arange(30)
arr = np.reshape(arr, (6, 5))
kwargs = dict(mode='mean', stat_length=(3, ))
assert_raises(TypeError, pad, arr, ((2, 3, 4), (3, 2)),
**kwargs)
def test_check_negative_pad_amount(self):
arr = np.arange(30)
arr = np.reshape(arr, (6, 5))
kwargs = dict(mode='mean', stat_length=(3, ))
assert_raises(ValueError, pad, arr, ((-2, 3), (3, 2)),
**kwargs)
def test_check_simple(self):
arr = np.arange(30)
arr = np.reshape(arr, (6, 5))
kwargs = dict(mode='mean', stat_length=(3, ))
assert_raises(ValueError, pad, arr, ((2, 3), (3, 2), (4, 5)),
**kwargs)
