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// $Id$
/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2006 University of Edinburgh
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
***********************************************************************/
#pragma once
#include <list>
#include <limits>
#define PROJECT_NAME "moses"
#define SENTENCE_START "<s>"
#define SENTENCE_END "</s>"
#define UNKNOWN_FACTOR "UNK"
#define EPSILON "*EPS*"
#define NOT_FOUND std::numeric_limits<size_t>::max()
#define MAX_NGRAM_SIZE 20
const size_t DEFAULT_MAX_HYPOSTACK_SIZE = 200;
const size_t DEFAULT_MAX_TRANS_OPT_SIZE = 50;
const size_t ARRAY_SIZE_INCR = 10; //amount by which a phrase gets resized when necessary
const float LOWEST_SCORE = -100.0f;
const float DEFAULT_BEAM_THRESHOLD = 0.00001f;
const size_t DEFAULT_VERBOSE_LEVEL = 1;
/////////////////////////////////////////////////
// for those using autoconf/automake
#if HAVE_CONFIG_H
#include "config.h"
#define TRACE_ENABLE 1 // REMOVE after we figure this out
#define N_BEST 1 // REMOVE
# ifdef HAVE_SRILM
# define LM_SRI 1
# undef LM_INTERNAL
# else
# undef LM_SRI
# define LM_INTERNAL 1
# endif
# ifdef HAVE_IRSTLM
# define LM_IRST 1
# undef LM_INTERNAL
# undef LM_SRI
# endif
#endif
/////////////////////////////////////////////////
// enums.
// must be 0, 1, 2, ..., unless otherwise stated
// can only be 2 at the moment
const int NUM_LANGUAGES = 2;
// count of above
const size_t NUM_FACTORS = 4;
enum FactorDirection
{
Input = 0
,Output = 1
};
enum DecodeType
{
Translate
,Generate
,InsertNullFertilityWord //! an optional step that attempts to insert a few closed-class words to improve LM scores
};
namespace LexReorderType
{
enum LexReorderType
{
Forward
,Backward
,Bidirectional
,Fe
,F
};
}
namespace DistortionOrientationType
{
enum DistortionOrientationOptions
{
Monotone
,Msd
};
// Possible values for orientation.
enum ORIENTATIONS { MONO, NON_MONO, SWAP, DISC };
};
enum IOMethod
{
IOMethodCommandLine
,IOMethodFile
,IOMethodMySQL
};
// typedef
typedef size_t FactorType;
class Factor;
typedef const Factor * FactorArray[NUM_FACTORS];
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