213 lines
5.7 KiB
C
213 lines
5.7 KiB
C
/*
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* divsufsort_private.h for libdivsufsort
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* Copyright (c) 2003-2008 Yuta Mori All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _DIVSUFSORT_PRIVATE_H
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#define _DIVSUFSORT_PRIVATE_H 1
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/* *************************
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* Includes
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***************************/
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#include <assert.h>
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#include <stdlib.h> /* unconditional */
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#include <stdio.h>
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#include "config.h" /* unconditional */
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#if HAVE_STRING_H
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# include <string.h>
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#endif
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#if HAVE_MEMORY_H
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# include <memory.h>
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#endif
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#if HAVE_STDDEF_H
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# include <stddef.h>
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#endif
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#if HAVE_STRINGS_H
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# ifdef _WIN32
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# include <string.h>
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# else
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# include <strings.h>
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# endif
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#endif
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#if HAVE_INTTYPES_H
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# include <inttypes.h>
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#else
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# if HAVE_STDINT_H
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# include <stdint.h>
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# endif
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#endif
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#if defined(BUILD_DIVSUFSORT64)
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# include "divsufsort64.h"
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# ifndef SAIDX_T
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# define SAIDX_T
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# define saidx_t saidx64_t
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# endif /* SAIDX_T */
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# ifndef PRIdSAIDX_T
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# define PRIdSAIDX_T PRIdSAIDX64_T
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# endif /* PRIdSAIDX_T */
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# define divsufsort divsufsort64
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# define divbwt divbwt64
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# define divsufsort_version divsufsort64_version
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# define bw_transform bw_transform64
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# define inverse_bw_transform inverse_bw_transform64
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# define sufcheck sufcheck64
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# define sa_search sa_search64
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# define sa_simplesearch sa_simplesearch64
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# define sssort sssort64
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# define trsort trsort64
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#else
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# include "divsufsort.h"
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#endif
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/*- Constants -*/
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#if !defined(UINT8_MAX)
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# define UINT8_MAX (255)
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#endif /* UINT8_MAX */
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#if defined(ALPHABET_SIZE) && (ALPHABET_SIZE < 1)
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# undef ALPHABET_SIZE
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#endif
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#if !defined(ALPHABET_SIZE)
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# define ALPHABET_SIZE (UINT8_MAX + 1)
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#endif
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/* for divsufsort.c */
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#define BUCKET_A_SIZE (ALPHABET_SIZE)
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#define BUCKET_B_SIZE (ALPHABET_SIZE * ALPHABET_SIZE)
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/* for sssort.c */
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#if defined(SS_INSERTIONSORT_THRESHOLD)
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# if SS_INSERTIONSORT_THRESHOLD < 1
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# undef SS_INSERTIONSORT_THRESHOLD
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# define SS_INSERTIONSORT_THRESHOLD (1)
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# endif
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#else
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# define SS_INSERTIONSORT_THRESHOLD (8)
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#endif
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#if defined(SS_BLOCKSIZE)
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# if SS_BLOCKSIZE < 0
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# undef SS_BLOCKSIZE
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# define SS_BLOCKSIZE (0)
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# elif 32768 <= SS_BLOCKSIZE
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# undef SS_BLOCKSIZE
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# define SS_BLOCKSIZE (32767)
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# endif
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#else
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# define SS_BLOCKSIZE (1024)
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#endif
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/* minstacksize = log(SS_BLOCKSIZE) / log(3) * 2 */
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#if SS_BLOCKSIZE == 0
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# if defined(BUILD_DIVSUFSORT64)
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# define SS_MISORT_STACKSIZE (96)
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# else
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# define SS_MISORT_STACKSIZE (64)
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# endif
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#elif SS_BLOCKSIZE <= 4096
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# define SS_MISORT_STACKSIZE (16)
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#else
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# define SS_MISORT_STACKSIZE (24)
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#endif
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#if defined(BUILD_DIVSUFSORT64)
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# define SS_SMERGE_STACKSIZE (64)
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#else
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# define SS_SMERGE_STACKSIZE (32)
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#endif
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/* for trsort.c */
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#define TR_INSERTIONSORT_THRESHOLD (8)
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#if defined(BUILD_DIVSUFSORT64)
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# define TR_STACKSIZE (96)
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#else
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# define TR_STACKSIZE (64)
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#endif
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/*- Macros -*/
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#ifndef SWAP
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# define SWAP(_a, _b) do { t = (_a); (_a) = (_b); (_b) = t; } while(0)
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#endif /* SWAP */
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#ifndef MIN
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# define MIN(_a, _b) (((_a) < (_b)) ? (_a) : (_b))
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#endif /* MIN */
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#ifndef MAX
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# define MAX(_a, _b) (((_a) > (_b)) ? (_a) : (_b))
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#endif /* MAX */
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#define STACK_PUSH(_a, _b, _c, _d)\
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do {\
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assert(ssize < STACK_SIZE);\
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stack[ssize].a = (_a), stack[ssize].b = (_b),\
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stack[ssize].c = (_c), stack[ssize++].d = (_d);\
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} while(0)
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#define STACK_PUSH5(_a, _b, _c, _d, _e)\
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do {\
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assert(ssize < STACK_SIZE);\
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stack[ssize].a = (_a), stack[ssize].b = (_b),\
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stack[ssize].c = (_c), stack[ssize].d = (_d), stack[ssize++].e = (_e);\
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} while(0)
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#define STACK_POP(_a, _b, _c, _d)\
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do {\
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assert(0 <= ssize);\
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if(ssize == 0) { return; }\
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(_a) = stack[--ssize].a, (_b) = stack[ssize].b,\
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(_c) = stack[ssize].c, (_d) = stack[ssize].d;\
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} while(0)
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#define STACK_POP5(_a, _b, _c, _d, _e)\
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do {\
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assert(0 <= ssize);\
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if(ssize == 0) { return; }\
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(_a) = stack[--ssize].a, (_b) = stack[ssize].b,\
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(_c) = stack[ssize].c, (_d) = stack[ssize].d, (_e) = stack[ssize].e;\
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} while(0)
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/* for divsufsort.c */
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#define BUCKET_A(_c0) bucket_A[(_c0)]
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#if ALPHABET_SIZE == 256
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#define BUCKET_B(_c0, _c1) (bucket_B[((_c1) << 8) | (_c0)])
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#define BUCKET_BSTAR(_c0, _c1) (bucket_B[((_c0) << 8) | (_c1)])
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#else
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#define BUCKET_B(_c0, _c1) (bucket_B[(_c1) * ALPHABET_SIZE + (_c0)])
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#define BUCKET_BSTAR(_c0, _c1) (bucket_B[(_c0) * ALPHABET_SIZE + (_c1)])
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#endif
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/*- Private Prototypes -*/
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/* sssort.c */
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void
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sssort(const sauchar_t *Td, const saidx_t *PA,
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saidx_t *first, saidx_t *last,
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saidx_t *buf, saidx_t bufsize,
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saidx_t depth, saidx_t n, saint_t lastsuffix);
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/* trsort.c */
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void
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trsort(saidx_t *ISA, saidx_t *SA, saidx_t n, saidx_t depth);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif /* __cplusplus */
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#endif /* _DIVSUFSORT_PRIVATE_H */
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