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# BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE
from __future__ import annotations
import cupy as cp
import numpy as np
import pytest
import awkward as ak
try:
ak.numba.register_and_check()
except ImportError:
pytest.skip(reason="too old Numba version", allow_module_level=True)
def test_from_cupy():
cupy_array_1d = cp.arange(10)
cupy_array_2d = cp.array([[1.1, 2.2], [3.3, 4.4], [5.5, 6.6], [7.7, 8.8]])
ak_cupy_array_1d = ak.from_cupy(cupy_array_1d)
ak_cupy_array_2d = ak.from_cupy(cupy_array_2d)
for i in range(10):
assert ak_cupy_array_1d[i] == cupy_array_1d[i]
for i in range(4):
for j in range(2):
assert ak_cupy_array_2d[i][j] == cupy_array_2d[i][j]
def test_from_cupy_tolist():
cupy_array_1d = cp.array([9, 8, 7, 6, 5, 4, 3, 2, 1, 0])
ak_cupy_array_1d = ak.from_cupy(cupy_array_1d)
assert ak.to_list(ak_cupy_array_1d.layout) == [9, 8, 7, 6, 5, 4, 3, 2, 1, 0]
def test_NumpyArray_constructor():
assert ak.backend(ak.contents.NumpyArray(np.array([1, 2, 3]))) == "cpu"
assert ak.backend(ak.contents.NumpyArray(cp.array([1, 2, 3]))) == "cuda"
def test_add():
one = ak.Array([[1.1, 2.2, 3.3], [], [4.4, 5.5]], backend="cuda")
two = ak.Array([100, 200, 300], backend="cuda")
assert ak.backend(one) == "cuda"
assert ak.backend(two) == "cuda"
three = one + two
assert ak.to_list(three) == [[101.1, 102.2, 103.3], [], [304.4, 305.5]]
assert ak.backend(three) == "cuda"
def test_add_2():
one = ak.Array([[1.1, 2.2, 3.3], [], [4.4, 5.5]], backend="cuda")
two = 100
assert ak.backend(one) == "cuda"
three = one + two
assert ak.to_list(three) == [[101.1, 102.2, 103.3], [], [104.4, 105.5]]
assert ak.backend(three) == "cuda"
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