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test_gnorm.py
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test_gnorm.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("gamma, c", [(0, None), (1, None), (0, 2)])
def test_compatibility(device, module, gamma, c, M=4, B=2):
gnorm = U.choice(
module,
diffsptk.GeneralizedCepstrumGainNormalization,
diffsptk.functional.gnorm,
{"cep_order": M},
{"gamma": gamma, "c": c},
)
opt = f"-g {gamma}" if c is None else f"-c {c}"
U.check_compatibility(
device,
gnorm,
[],
f"nrand -l {B*(M+1)}",
f"gnorm -m {M} {opt}",
[],
dx=M + 1,
dy=M + 1,
)
U.check_differentiability(device, gnorm, [B, M + 1])