/usr/include/torch/Grammar.h is in libtorch3-dev 3.1-2.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// This file is part of Torch 3.1.
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#ifndef GRAMMAR_INC
#define GRAMMAR_INC
#include "Object.h"
namespace Torch {
/** This class contains the grammar of accepted sentences for a
speech recognition experiment such as the one using SimpleDecoderSpeechHMM
A grammar is a transition table where each node is a word.
The user is responsible to set the transition table as he wishes.
(by default, there are no transition!)
@author Samy Bengio (bengio@idiap.ch)
*/
class Grammar : public Object
{
public:
/** the number of words in the grammar (different than the number
of words in the lexicon, because the same word can appear twice
in the grammar)
*/
int n_words;
/// the index of the words (in the lexicon object)
int* words;
/** this vector is used in SimpleDecoderSpeechHMM to keep the state
index in the decoding state matrix, corresponding to the given word
*/
int* start;
/** the transition matrix. each true transition (i,j) means the
word whose index is i can be followed by the word whose index is j
*/
bool** transitions;
///
Grammar(int n_words_);
virtual ~Grammar();
};
}
#endif
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