blob: 0acece9265ac13dd76100d4d5ea8279bb1bf4297 (
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
|
#ifndef LM_BUILDER_INTERPOLATE_H
#define LM_BUILDER_INTERPOLATE_H
#include "util/stream/multi_stream.hh"
#include <vector>
#include <stdint.h>
namespace lm { namespace builder {
/* Interpolate step.
* Input: suffix sorted n-grams with (p_uninterpolated, gamma) from
* InitialProbabilities.
* Output: suffix sorted n-grams with complete probability
*/
class Interpolate {
public:
// Normally vocab_size is the unigram count-1 (since p(<s>) = 0) but might
// be larger when the user specifies a consistent vocabulary size.
explicit Interpolate(uint64_t vocab_size, const util::stream::ChainPositions &backoffs, const std::vector<uint64_t> &prune_thresholds, bool output_q_);
void Run(const util::stream::ChainPositions &positions);
private:
float uniform_prob_;
util::stream::ChainPositions backoffs_;
const std::vector<uint64_t> prune_thresholds_;
bool output_q_;
};
}} // namespaces
#endif // LM_BUILDER_INTERPOLATE_H
|
