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test_mgc2mgc.py
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test_mgc2mgc.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 torch
import diffsptk
import tests.utils as U
@pytest.mark.parametrize("device", ["cpu", "cuda"])
@pytest.mark.parametrize("module", [False, True])
@pytest.mark.parametrize("in_norm", [False, True])
@pytest.mark.parametrize("out_norm", [False, True])
@pytest.mark.parametrize("in_mul", [False, True])
@pytest.mark.parametrize("out_mul", [False, True])
@pytest.mark.parametrize(
"M, A, G", [[4, 0, 0.1], [4, 0, 0.2], [2, 0.1, 0.1], [6, 0.1, 0.2]]
)
def test_compatibility(
device,
module,
in_norm,
out_norm,
in_mul,
out_mul,
M,
A,
G,
m=4,
a=0,
g=0.1,
L=256,
B=2,
):
mgc2mgc = U.choice(
module,
diffsptk.MelGeneralizedCepstrumToMelGeneralizedCepstrum,
diffsptk.functional.mgc2mgc,
{"in_order": m},
{
"out_order": M,
"in_alpha": a,
"out_alpha": A,
"in_gamma": g,
"out_gamma": G,
"in_norm": in_norm,
"out_norm": out_norm,
"in_mul": in_mul,
"out_mul": out_mul,
"n_fft": L,
},
)
opt1 = f"-m {m} -M {m} -a 0 -A {a} -g {0} -G {g} "
if in_norm:
opt1 += "-N "
if in_mul:
opt1 += "-U "
opt2 = f"-m {m} -M {M} -a {a} -A {A} -g {g} -G {G} "
if in_norm:
opt2 += "-n "
if out_norm:
opt2 += "-N "
if in_mul:
opt2 += "-u "
if out_mul:
opt2 += "-U "
U.check_compatibility(
device,
mgc2mgc,
[],
f"nrand -l {B*L} | fftcep -l {L} -m {m} | mgc2mgc {opt1}",
f"mgc2mgc {opt2}",
[],
dx=m + 1,
dy=M + 1,
)
U.check_differentiability(device, [mgc2mgc, torch.abs], [B, m + 1])