44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/* fir.h
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This file is part of a program that implements a Software-Defined Radio.
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Copyright (C) 2013, 2016, 2022, 2025 Warren Pratt, NR0V
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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The author can be reached by email at
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warren@pratt.one
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*/
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extern double* fftcv_mults (int NM, double* c_impulse);
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extern double* fir_fsamp_odd (int N, double* A, int rtype, double scale, int wintype);
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extern double* fir_fsamp (int N, double* A, int rtype, double scale, int wintype);
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extern double* fir_bandpass (int N, double f_low, double f_high, double samplerate, int wintype, int rtype, double scale);
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extern double* get_fsamp_window(int N, int wintype);
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extern double *fir_read (int N, const char *filename, int rtype, double scale);
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extern void analytic (int N, double* in, double* out);
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extern void mp_imp (int N, double* fir, double* mpfir, int pfactor, int polarity);
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extern double* zff_impulse(int nc, double scale);
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