mirror of
https://github.com/moses-smt/mosesdecoder.git
synced 2024-08-17 07:20:48 +03:00
87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
// $Id$
|
|
|
|
/***********************************************************************
|
|
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
|
|
***********************************************************************/
|
|
|
|
#ifndef moses_SquareMatrix_h
|
|
#define moses_SquareMatrix_h
|
|
|
|
#include <iostream>
|
|
#include "TypeDef.h"
|
|
#include "Util.h"
|
|
#include "Bitmap.h"
|
|
|
|
namespace Moses
|
|
{
|
|
|
|
//! A square array of floats to store future costs in the phrase-based decoder
|
|
class SquareMatrix
|
|
{
|
|
friend std::ostream& operator<<(std::ostream &out, const SquareMatrix &matrix);
|
|
protected:
|
|
const size_t m_size; /**< length of the square (sentence length) */
|
|
float *m_array; /**< two-dimensional array to store floats */
|
|
|
|
SquareMatrix(); // not implemented
|
|
SquareMatrix(const SquareMatrix ©); // not implemented
|
|
|
|
public:
|
|
SquareMatrix(size_t size)
|
|
:m_size(size) {
|
|
m_array = (float*) malloc(sizeof(float) * size * size);
|
|
}
|
|
~SquareMatrix() {
|
|
free(m_array);
|
|
}
|
|
|
|
// set upper triangle
|
|
void InitTriangle(float val);
|
|
|
|
/** Returns length of the square: typically the sentence length */
|
|
inline size_t GetSize() const {
|
|
return m_size;
|
|
}
|
|
/** Get a future cost score for a span */
|
|
inline float GetScore(size_t startPos, size_t endPos) const {
|
|
return m_array[startPos * m_size + endPos];
|
|
}
|
|
/** Set a future cost score for a span */
|
|
inline void SetScore(size_t startPos, size_t endPos, float value) {
|
|
m_array[startPos * m_size + endPos] = value;
|
|
}
|
|
float CalcEstimatedScore( Bitmap const& ) const;
|
|
float CalcEstimatedScore( Bitmap const&, size_t startPos, size_t endPos ) const;
|
|
|
|
TO_STRING();
|
|
};
|
|
|
|
inline std::ostream& operator<<(std::ostream &out, const SquareMatrix &matrix)
|
|
{
|
|
for (size_t endPos = 0 ; endPos < matrix.GetSize() ; endPos++) {
|
|
for (size_t startPos = 0 ; startPos < matrix.GetSize() ; startPos++)
|
|
out << matrix.GetScore(startPos, endPos) << " ";
|
|
out << std::endl;
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
}
|
|
#endif
|