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test_histogram.py
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test_histogram.py
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# ------------------------------------------------------------------------ #
# Copyright 2022 SPTK Working Group #
# #
# Licensed under the Apache License, Version 2.0 (the "License"); #
# you may not use this file except in compliance with the License. #
# You may obtain a copy of the License at #
# #
# http://www.apache.org/licenses/LICENSE-2.0 #
# #
# Unless required by applicable law or agreed to in writing, software #
# distributed under the License is distributed on an "AS IS" BASIS, #
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
# See the License for the specific language governing permissions and #
# limitations under the License. #
# ------------------------------------------------------------------------ #
import pytest
import diffsptk
import tests.utils as U
@pytest.mark.parametrize("device", ["cpu", "cuda"])
@pytest.mark.parametrize("module", [False, True])
@pytest.mark.parametrize("norm", [False, True])
def test_compatibility(
device, module, norm, K=4, lower_bound=-1, upper_bound=1, L=50, B=2
):
histogram = U.choice(
module,
diffsptk.Histogram,
diffsptk.functional.histogram,
{},
{
"n_bin": K,
"lower_bound": lower_bound,
"upper_bound": upper_bound,
"norm": norm,
"softness": 1e-4,
},
)
opt = "-n" if norm else ""
U.check_compatibility(
device,
histogram,
[],
[f"nrand -l {B*L}"],
f"histogram -t {L} -b {K} -l {lower_bound} -u {upper_bound} {opt}",
[],
dx=L,
dy=K,
)
@pytest.mark.parametrize("device", ["cpu", "cuda"])
def test_differentiability(device, K=4, L=50):
histogram = diffsptk.Histogram(K, lower_bound=-1, upper_bound=1, softness=1e-1)
U.check_differentiability(device, histogram, [L])