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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 #########
cdef enum dgt_phasetype:
FREQINV = 0
TIMEINV = 1
ctypedef size_t ltfatInt
# Values extracted from fftw3.h
cdef enum dct_kind:
DCTI = 3
DCTIII = 4
DCTII = 5
DCTIV = 6
# Values extracted from fftw3.h
cdef enum dst_kind:
DSTI = 7
DSTIII = 8
DSTII = 9
DSTIV = 10
# pgauss functions declarations
cdef extern void pgauss_d(const ltfatInt L, const double w, const double c_t,
double * g)
cdef extern void pgauss_cmplx_d(const ltfatInt L, const double w,
const double c_t, const double c_f,
const double complex * g)
# DGT functions declarations
cdef extern void dgt_long_cd(const double complex * f,
const double complex * g,
const ltfatInt L, const ltfatInt W,
const ltfatInt a, const ltfatInt M,
const dgt_phasetype ptype, double complex * cout)
cdef extern void dgt_long_d(const double * f, const double * g,
const ltfatInt L, const ltfatInt W,
const ltfatInt a, const ltfatInt M,
const dgt_phasetype ptype, double complex * cout)
cdef extern void dgtreal_long_d(const double * f, const double * g,
const ltfatInt L, const ltfatInt W,
const ltfatInt a, const ltfatInt M,
const dgt_phasetype ptype,
double complex * cout)
cdef extern void dgt_fb_cd(const double complex * f, const double complex * g,
const ltfatInt L, const ltfatInt gl,
const ltfatInt W, const ltfatInt a,
const ltfatInt M, const dgt_phasetype ptype,
double complex * cout)
cdef extern void dgt_fb_d(const double * f, const double * g,
const ltfatInt L, const ltfatInt gl,
const ltfatInt W, const ltfatInt a,
const ltfatInt M, const dgt_phasetype ptype,
double complex * cout)
cdef extern void dgtreal_fb_d(const double * f, const double * g,
const ltfatInt L, const ltfatInt gl,
const ltfatInt W, const ltfatInt a,
const ltfatInt M, const dgt_phasetype ptype,
double complex * cout)
cdef extern void idgt_fb_d(const double complex * F, const double complex * g,
const ltfatInt L, const ltfatInt gl,
const ltfatInt W, const ltfatInt a,
const ltfatInt M, const dgt_phasetype ptype,
double complex * f)
cdef extern void idgtreal_fb_d(const double complex * F, const double * g,
const ltfatInt L, const ltfatInt gl,
const ltfatInt W,
const ltfatInt a, const ltfatInt M,
const dgt_phasetype ptype, double * f)
cdef extern void idgt_long_d(const double complex * F,
const double complex * g,
const ltfatInt L, const ltfatInt W,
const ltfatInt a, const ltfatInt M,
const dgt_phasetype ptype,
double complex * f)
cdef extern void idgtreal_long_d(const double complex * F, const double * g,
const ltfatInt L, const ltfatInt W,
const ltfatInt a, const ltfatInt M,
const dgt_phasetype ptype, double * f)
cdef extern void gabdual_long_d(const double * g,
const ltfatInt L, const ltfatInt R,
const ltfatInt a,
const ltfatInt M, double * gd)
cdef extern void gabdual_long_cd(const double complex * g,
const ltfatInt L, const ltfatInt R,
const ltfatInt a,
const ltfatInt M, double complex * gd)
cdef extern void gabtight_long_d(const double * g,
const ltfatInt L, const ltfatInt R,
const ltfatInt a, const ltfatInt M,
double * gd)
cdef extern void gabtight_long_cd(const double complex * g,
const ltfatInt L, const ltfatInt R,
const ltfatInt a, const ltfatInt M,
double complex * gd)
cdef extern void dct_d(const double * f, const ltfatInt L, const ltfatInt W,
double * cout, const dct_kind kind)
cdef extern void dct_cd(const double complex * f, const ltfatInt L,
const ltfatInt W, double complex * cout,
const dct_kind kind)
cdef extern void dst_d(const double * f, const ltfatInt L, const ltfatInt W,
double * cout, const dst_kind kind)
cdef extern void dst_cd(const double complex * f, const ltfatInt L,
const ltfatInt W, double complex * cout,
const dst_kind kind)
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