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165 lines (149 loc) · 6.86 KB
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import os
import pytest
import iarray as ia
import numpy as np
# linspace
@pytest.mark.parametrize("start, stop, shape, pshape, dtype",
[
(0, 10, [10, 12, 5], [2, 3, 2], np.float64),
(-0.1, -0.2, [4, 3, 5, 2], [2, 2, 2, 2], np.float32),
(0, 10, [10, 12, 5], None, np.float64),
(-0.1, -0.2, [4, 3, 5, 2], None, np.float32)
])
def test_linspace(start, stop, shape, pshape, dtype):
if pshape is None:
storage = ia.StorageProperties("plainbuffer")
else:
storage = ia.StorageProperties("blosc", False)
size = int(np.prod(shape))
a = ia.linspace(ia.dtshape(shape, pshape, dtype), start, stop, storage=storage)
b = ia.iarray2numpy(a)
npdtype = np.float64 if dtype == np.float64 else np.float32
c = np.linspace(start, stop, size, dtype=npdtype).reshape(shape)
np.testing.assert_almost_equal(b, c)
# arange
@pytest.mark.parametrize("start, stop, shape, pshape, dtype",
[
(0, 10, [10, 12, 5], [2, 3, 2], np.float64),
(-0.1, -0.2, [4, 3, 5, 2], [2, 3, 2, 2], np.float32),
(0, 10, [10, 12, 5], None, np.float64),
(-0.1, -0.2, [4, 3, 5, 2], None, np.float32)
])
def test_arange(start, stop, shape, pshape, dtype):
if pshape is None:
storage = ia.StorageProperties("plainbuffer")
else:
storage = ia.StorageProperties("blosc", False)
size = int(np.prod(shape))
step = (stop - start) / size
a = ia.arange(ia.dtshape(shape=shape, pshape=pshape, dtype=dtype), start, stop, step, storage=storage)
b = ia.iarray2numpy(a)
npdtype = np.float64 if dtype == np.float64 else np.float32
c = np.arange(start, stop, step, dtype=npdtype).reshape(shape)
np.testing.assert_almost_equal(b, c)
# from_file
@pytest.mark.parametrize("start, stop, shape, pshape, dtype, filename",
[
(0, 10, [9], [2], np.float64, "test.fromfile0.iarray"),
(-0.1, -0.10, [4, 3, 5, 5, 2], [2, 3, 2, 3, 2], np.float32, "test.fromfile1.iarray")
])
def test_from_file(start, stop, shape, pshape, dtype, filename):
size = int(np.prod(shape))
npdtype = np.float64 if dtype == np.float64 else np.float32
a = np.linspace(start, stop, size, dtype=npdtype).reshape(shape)
b = ia.numpy2iarray(a, pshape, storage=ia.StorageProperties("blosc", True, filename))
c = ia.load(filename)
d = ia.iarray2numpy(c)
np.testing.assert_almost_equal(a, d)
os.remove(filename)
# get_slice
@pytest.mark.parametrize("start, stop, slice, shape, pshape, dtype",
[
(0, 10, (slice(2, 4), slice(5, 10), slice(1, 2)), [10, 12, 5], [2, 3, 2], np.float64),
(-0.1, -0.2, (slice(2, 4), slice(7, 12)), [12, 16], [2, 7], np.float32),
(0, 10, (slice(2, 4), slice(5, 10), slice(1, 2)), [10, 12, 5], None, np.float64),
(-0.1, -0.2, (slice(2, 4), slice(7, 12)), [12, 16], None, np.float32)
])
def test_slice(start, stop, slice, shape, pshape, dtype):
if pshape is None:
storage = ia.StorageProperties("plainbuffer")
else:
storage = ia.StorageProperties("blosc", False)
size = int(np.prod(shape))
step = (stop - start) / size
a = ia.arange(ia.dtshape(shape=shape, pshape=pshape, dtype=dtype), start, stop, step, storage=storage)
b = a[slice]
c = ia.iarray2numpy(b)
npdtype = np.float64 if dtype == np.float64 else np.float32
d = np.arange(start, stop, step, dtype=npdtype).reshape(shape)[slice]
np.testing.assert_almost_equal(c, d)
# empty # TODO: make it work properly
@pytest.mark.parametrize("shape, pshape, dtype",
[
([10, 12, 5], [2, 3, 2], np.float64),
([10, 12, 5], None, np.float32),
])
def test_empty(shape, pshape, dtype):
if pshape is None:
storage = ia.StorageProperties("plainbuffer")
else:
storage = ia.StorageProperties("blosc", False)
a = ia.empty(ia.dtshape(shape, pshape, dtype), storage=storage)
b = ia.iarray2numpy(a)
npdtype = np.float64 if dtype == np.float64 else np.float32
assert b.dtype == npdtype
assert b.shape == tuple(shape)
# zeros
@pytest.mark.parametrize("shape, pshape, dtype",
[
([10, 12, 5], [2, 3, 2], np.float64),
([12, 16], [2, 7], np.float32),
([10, 12, 5], None, np.float64),
([12, 16], None, np.float32)
])
def test_zeros(shape, pshape, dtype):
if pshape is None:
storage = ia.StorageProperties("plainbuffer")
else:
storage = ia.StorageProperties("blosc", False)
a = ia.zeros(ia.dtshape(shape, pshape, dtype), storage=storage)
b = ia.iarray2numpy(a)
npdtype = np.float64 if dtype == np.float64 else np.float32
c = np.zeros(shape, dtype=npdtype)
np.testing.assert_almost_equal(b, c)
# ones
@pytest.mark.parametrize("shape, pshape, dtype",
[
([10, 12, 5], [2, 3, 2], np.float64),
([12, 16], [2, 7], np.float32),
([10, 12, 5], None, np.float64),
([12, 16], None, np.float32)
])
def test_ones(shape, pshape, dtype):
if pshape is None:
storage = ia.StorageProperties("plainbuffer")
else:
storage = ia.StorageProperties("blosc", True)
a = ia.ones(ia.dtshape(shape, pshape, dtype), storage=storage)
b = ia.iarray2numpy(a)
npdtype = np.float64 if dtype == np.float64 else np.float32
c = np.ones(shape, dtype=npdtype)
np.testing.assert_almost_equal(b, c)
# full
@pytest.mark.parametrize("fill_value, shape, pshape, dtype",
[
(8.34, [10, 12, 5], [2, 3, 2], np.float64),
(2.00001, [12, 16], [2, 7], np.float32),
(8.34, [10, 12, 5], None, np.float64),
(2.00001, [12, 16], None, np.float32)
])
def test_full(fill_value, shape, pshape, dtype):
if pshape is None:
storage = ia.StorageProperties("plainbuffer")
else:
storage = ia.StorageProperties("blosc", False)
a = ia.full(ia.dtshape(shape, pshape, dtype), fill_value, storage=storage)
b = ia.iarray2numpy(a)
npdtype = np.float64 if dtype == np.float64 else np.float32
c = np.full(shape, fill_value, dtype=npdtype)
np.testing.assert_almost_equal(b, c)