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# -*- coding: utf-8 -*-
# ######### COPYRIGHT #########
# Credits
# #######
#
# Copyright(c) 2015-2025
# ----------------------
#
# * `LabEx Archimède <http://labex-archimede.univ-amu.fr/>`_
# * `Laboratoire d'Informatique Fondamentale <http://www.lif.univ-mrs.fr/>`_
# (now `Laboratoire d'Informatique et Systèmes <http://www.lis-lab.fr/>`_)
# * `Institut de Mathématiques de Marseille <http://www.i2m.univ-amu.fr/>`_
# * `Université d'Aix-Marseille <http://www.univ-amu.fr/>`_
#
# This software is a port from LTFAT 2.1.0 :
# Copyright (C) 2005-2025 Peter L. Soendergaard <peter@sonderport.dk>.
#
# Contributors
# ------------
#
# * Denis Arrivault <contact.dev_AT_lis-lab.fr>
# * Florent Jaillet <contact.dev_AT_lis-lab.fr>
#
# Description
# -----------
#
# ltfatpy is a partial Python port of the
# `Large Time/Frequency Analysis Toolbox <http://ltfat.sourceforge.net/>`_,
# a MATLAB®/Octave toolbox for working with time-frequency analysis and
# synthesis.
#
# Version
# -------
#
# * ltfatpy version = 1.1.2
# * LTFAT version = 2.1.0
#
# Licence
# -------
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# ######### COPYRIGHT #########
"""Test of the read_dgt_signal_ex_mat function
.. moduleauthor:: Denis Arrivault
"""
from __future__ import print_function, division
import unittest
import numpy
try:
from math import gcd
except ImportError:
# fractions.gcd() is deprecated since Python 3.5 and math.gcd() should be
# used instead, but for backward compatibilty we use fractions.gcd() if
# math.gcd() is not available
from fractions import gcd
from ltfatpy.tests.datasets.read_dgt_signal_ex_mat import DgtSignals
from ltfatpy.tests.datasets.get_dataset_path import get_dataset_path
class TestReadDgtSignalExt(unittest.TestCase):
""" Test read_dgt_signal_ex.py """
# Called before the tests.
def setUp(self):
self.filename = get_dataset_path('sepdgt_signal_ex.mat')
# Called after the tests.
def tearDown(self):
print('Test done')
def test_default(self):
dgs = DgtSignals(self.filename)
(TYPE, PHASETYPE, L, W, a, M, gl, SIGNAL, WINDOW, DGT, DUAL_WINDOW,
IDGT) = dgs.read_next_signal()
while TYPE != '':
'''
print ("\n\nTYPE = ", TYPE, "\nPHASETYPE = ", PHASETYPE, "\nL = ",
L, "\nW = ", W, "\na = ", a, "\nM = ", M, "\ngl = ",
gl, "\nSIGNAL =\n", SIGNAL, "\nWINDOW =\n", WINDOW,
"\nDGT\n", DGT, "\nDUAL_WINDOW\n", DUAL_WINDOW,
"\nIDGT\n", IDGT)
'''
assert (TYPE == "REAL" or TYPE == "CMPLX")
assert (PHASETYPE == "freqinv" or PHASETYPE == "timeinv")
assert isinstance(L, int)
assert isinstance(W, int)
assert isinstance(a, int)
assert isinstance(M, int)
assert isinstance(gl, int)
assert type(SIGNAL).__module__ == numpy.__name__
assert type(WINDOW).__module__ == numpy.__name__
assert type(DGT).__module__ == numpy.__name__
assert type(IDGT).__module__ == numpy.__name__
assert WINDOW.size == gl
if (gl == M):
assert DUAL_WINDOW.size == gl
elif (a != M):
assert DUAL_WINDOW.size == a * M // gcd(a, M)
else:
assert DUAL_WINDOW.size == a * 2
if W == 1:
assert SIGNAL.size == L
assert IDGT.size == L
else:
assert SIGNAL.shape == (L, W)
assert IDGT.shape == (L, W)
if TYPE == "REAL":
if W == 1:
assert DGT.shape == ((M//2+1), L//a)
else:
assert DGT.shape == ((M//2+1), L//a, W)
else:
if W == 1:
assert DGT.shape == (M, L//a)
else:
assert DGT.shape == (M, L//a, W)
(TYPE, PHASETYPE, L, W, a, M, gl, SIGNAL, WINDOW, DGT, DUAL_WINDOW,
IDGT) = dgs.read_next_signal()
if __name__ == '__main__':
suite = unittest.TestLoader().loadTestsFromTestCase(TestReadDgtSignalExt)
unittest.TextTestRunner(verbosity=2).run(suite)
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