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47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
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/*---------------------------------------------------------------------------*\
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FILE........: gp_interleaver.h
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AUTHOR......: David Rowe
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DATE CREATED: April 2018
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Golden Prime Interleaver. My interprestation of "On the Analysis and
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Design of Good Algebraic Interleavers", Xie et al,eq (5).
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See also octvae/gp_interleaver.m
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\*---------------------------------------------------------------------------*/
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/*
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Copyright (C) 2018 David Rowe
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All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License version 2.1, as
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published by the Free Software Foundation. This program is
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distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GP_INTERLEAVER__
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#define __GP_INTERLEAVER__
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#include "codec2/comp.h"
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namespace FreeDV
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{
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void gp_interleave_comp(COMP interleaved_frame[], COMP frame[], int Nbits);
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void gp_deinterleave_comp(COMP frame[], COMP interleaved_frame[], int Nbits);
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void gp_interleave_float(float frame[], float interleaved_frame[], int Nbits);
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void gp_deinterleave_float(float interleaved_frame[], float frame[], int Nbits);
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} // FreeDV
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#endif
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