blob: 8386fdaf32cb3ba739f3036e188d59ef1b0e7b6a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
#ifndef LM_INTERPOLATE_UNIVERSAL_VOCAB_H
#define LM_INTERPOLATE_UNIVERSAL_VOCAB_H
#include "../word_index.hh"
#include <vector>
#include <cstddef>
namespace lm {
namespace interpolate {
class UniversalVocab {
public:
explicit UniversalVocab(const std::vector<WordIndex>& model_vocab_sizes);
// GetUniversalIndex takes the model number and index for the specific
// model and returns the universal model number
WordIndex GetUniversalIdx(std::size_t model_num, WordIndex model_word_index) const {
return model_index_map_[model_num][model_word_index];
}
const WordIndex *Mapping(std::size_t model) const {
return &*model_index_map_[model].begin();
}
WordIndex SlowConvertToModel(std::size_t model, WordIndex index) const {
std::vector<WordIndex>::const_iterator i = lower_bound(model_index_map_[model].begin(), model_index_map_[model].end(), index);
if (i == model_index_map_[model].end() || *i != index) return 0;
return i - model_index_map_[model].begin();
}
void InsertUniversalIdx(std::size_t model_num, WordIndex word_index,
WordIndex universal_word_index) {
model_index_map_[model_num][word_index] = universal_word_index;
}
private:
std::vector<std::vector<WordIndex> > model_index_map_;
};
} // namespace interpolate
} // namespace lm
#endif // LM_INTERPOLATE_UNIVERSAL_VOCAB_H
|
