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/*
* Reed-Solomon forward error correction based on Vandermonde matrices
*
* Copyright (c) 2006-2008 Miru Limited.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#if !defined (__PGM_IMPL_FRAMEWORK_H_INSIDE__) && !defined (PGM_COMPILATION)
# error "Only <framework.h> can be included directly."
#endif
#ifndef __PGM_IMPL_REED_SOLOMON_H__
#define __PGM_IMPL_REED_SOLOMON_H__
typedef struct pgm_rs_t pgm_rs_t;
#include <pgm/types.h>
#include <impl/galois.h>
PGM_BEGIN_DECLS
struct pgm_rs_t {
uint8_t n, k; /* RS(n, k) */
pgm_gf8_t* GM;
pgm_gf8_t* RM;
};
#define PGM_RS_DEFAULT_N 255
PGM_GNUC_INTERNAL void pgm_rs_create (pgm_rs_t*, const uint8_t, const uint8_t);
PGM_GNUC_INTERNAL void pgm_rs_destroy (pgm_rs_t*);
PGM_GNUC_INTERNAL void pgm_rs_encode (pgm_rs_t*restrict, const pgm_gf8_t**restrict, const uint8_t, pgm_gf8_t*restrict, const uint16_t);
PGM_GNUC_INTERNAL void pgm_rs_decode_parity_inline (pgm_rs_t*restrict, pgm_gf8_t**restrict, const uint8_t*restrict, const uint16_t);
PGM_GNUC_INTERNAL void pgm_rs_decode_parity_appended (pgm_rs_t*restrict, pgm_gf8_t**restrict, const uint8_t*restrict, const uint16_t);
PGM_END_DECLS
#endif /* __PGM_IMPL_REED_SOLOMON_H__ */
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