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/******************************************************************************
IrstLM: IRST Language Model Toolkit
Copyright (C) 2006 Marcello Federico, ITC-irst Trento, Italy
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
******************************************************************************/
#ifndef MF_NGRAMCACHE_H
#define MF_NGRAMCACHE_H
#include "mempool.h"
#include "htable.h"
class ngramcache{
private:
htable* ht;
mempool *mp;
int maxn;
int ngsize;
int infosize;
int accesses;
int hits;
int entries;
public:
ngramcache(int n,int size,int maxentries);
~ngramcache();
void reset();
char* get(const int* ngp,char* info=NULL);
int add(const int* ngp,const char* info);
int isfull(){return (entries >= maxn);};
void stat();
};
#endif
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