erigon-pulse/sais/sais.h
ledgerwatch 75b52ac25e
[compress] Allow uncompressed words (#350)
* Intermediate work

* Allow uncompressed words

* Fix

* Fix tests

* Add NextUncompressed, remove g.word buffer

* Code simplifications, no goroutines when workers == 1

* Fix lint|

* Add test for MatchPrefix

* Work on patricia

* Beginning of new matcher

* Fuzz test for new longest match

* No skip

* Fixes

* Fixes

* More tracing

* Fixes

* Fixes

* Change back to old FindLongestMatches

* Switch to old match finder

* Print mismatches

* Fix

* After fix

* After fix

* After fix

* Print pointers

* Fixes and tests

* Print

* Print

* Print

* More tests

* Intermediate

* Fix

* Fix

* Prints

* Fix

* Fix

* Initialise matchStack

* Compute only once

* Compute only once

* Switch back

* Switch to old Find

* Introduce sais

* Switch patricia to sais

* Use sais in compressor

* Use sais in compressor

* Remove unused code

Co-authored-by: Alexey Sharp <alexeysharp@Alexeys-iMac.local>
Co-authored-by: Alex Sharp <alexsharp@Alexs-MacBook-Pro.local>
2022-03-09 17:25:22 +00:00

52 lines
1.9 KiB
C

/*
* sais.h for sais-lite
* Copyright (c) 2008-2010 Yuta Mori All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _SAIS_H
#define _SAIS_H 1
// #ifdef __cplusplus
// extern "C"
// {
// #endif /* __cplusplus */
// /* find the suffix array SA of T[0..n-1]
// use a working space (excluding T and SA) of at most 2n+O(lg n) */
// int sais(const unsigned char *T, int *SA, int n);
// /* find the suffix array SA of T[0..n-1] in {0..k-1}^n
// use a working space (excluding T and SA) of at most MAX(4k,2n) */
// int sais_int(const int *T, int *SA, int n, int k);
// /* burrows-wheeler transform */
// int sais_bwt(const unsigned char *T, unsigned char *U, int *A, int n);
// int sais_int_bwt(const int *T, int *U, int *A, int n, int k);
// #ifdef __cplusplus
// } /* extern "C" */
// #endif /* __cplusplus */
extern int sais(const unsigned char *T, int *SA, int n);
#endif /* _SAIS_H */