52 lines
2.6 KiB
C
52 lines
2.6 KiB
C
/**
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Copyright (C) powturbo 2013-2015
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GPL v2 License
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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 General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(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 along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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- homepage : https://sites.google.com/site/powturbo/
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- github : https://github.com/powturbo
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- twitter : https://twitter.com/powturbo
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- email : powturbo [_AT_] gmail [_DOT_] com
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**/
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// eliasfano.h - "Integer Compression" Elias Fano c/c++ header
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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// compress/decompress integer array with n values to the buffer out. Return value = end of output/input buffer
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unsigned char *efanoenc32( unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start);
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unsigned char *efanoenc64( uint64_t *__restrict in, unsigned n, unsigned char *__restrict out, uint64_t start);
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unsigned char *efanodec32( unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned start);
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unsigned char *efanodec64( unsigned char *__restrict in, unsigned n, uint64_t *__restrict out, uint64_t start);
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unsigned char *efano1enc32( unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start);
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unsigned char *efano1enc64( uint64_t *__restrict in, unsigned n, unsigned char *__restrict out, uint64_t start);
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unsigned char *efano1dec32( unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned start);
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unsigned char *efano1dec64( unsigned char *__restrict in, unsigned n, uint64_t *__restrict out, uint64_t start);
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unsigned char *efanoencv32( unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start);
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unsigned char *efanodecv32( unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned start);
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unsigned char *efano1encv32(unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start);
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unsigned char *efano1decv32(unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned start);
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#ifdef __cplusplus
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}
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#endif
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