74 lines
2.8 KiB
C
74 lines
2.8 KiB
C
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/*-----------------------------------------------------------*/
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/* Block Sorting, Lossless Data Compression Library. */
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/* Interface to Burrows Wheeler Transform */
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/*-----------------------------------------------------------*/
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/*--
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This file is a part of bsc and/or libbsc, a program and a library for
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lossless, block-sorting data compression.
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Copyright (c) 2009-2012 Ilya Grebnov <ilya.grebnov@gmail.com>
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See file AUTHORS for a full list of contributors.
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The bsc and libbsc 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 as published by
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the Free Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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The bsc and libbsc is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 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 the bsc and libbsc. If not, see http://www.gnu.org/licenses/.
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Please see the files COPYING and COPYING.LIB for full copyright information.
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See also the bsc and libbsc web site:
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http://libbsc.com/ for more information.
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--*/
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#ifndef _LIBBSC_BWT_H
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#define _LIBBSC_BWT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Constructs the burrows wheeler transformed string of a given string.
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* @param T - the input/output string of n chars.
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* @param n - the length of the given string.
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* @param num_indexes - the length of secondary indexes array, can be NULL.
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* @param indexes - the secondary indexes array, can be NULL.
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* @param features - the set of additional features.
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* @return the primary index if no error occurred, error code otherwise.
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*/
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int bsc_bwt_encode(unsigned char * T, int n, unsigned char * num_indexes, int * indexes, int features);
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/**
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* Reconstructs the original string from burrows wheeler transformed string.
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* @param T - the input/output string of n chars.
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* @param n - the length of the given string.
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* @param index - the primary index.
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* @param num_indexes - the length of secondary indexes array, can be 0.
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* @param indexes - the secondary indexes array, can be NULL.
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* @param features - the set of additional features.
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* @return LIBBSC_NO_ERROR if no error occurred, error code otherwise.
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*/
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int bsc_bwt_decode(unsigned char * T, int n, int index, unsigned char num_indexes, int * indexes, int features);
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#ifdef __cplusplus
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}
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#endif
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#endif
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/*-----------------------------------------------------------*/
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/* End bwt.h */
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/*-----------------------------------------------------------*/
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