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#ifndef _APPLY_FSA_MODELS_H_
#define _APPLY_FSA_MODELS_H_
#include <iostream>
#include "feature_vector.h"
struct FsaFeatureFunction;
struct Hypergraph;
struct SentenceMetadata;
struct ApplyFsaBy {
enum {
BU_CUBE,
BU_FULL,
EARLEY,
N_ALGORITHMS
};
int pop_limit; // only applies to BU_FULL so far
bool IsBottomUp() const {
return algorithm==BU_FULL || algorithm==BU_CUBE;
}
int BottomUpAlgorithm() const;
int algorithm;
std::string name() const;
friend inline std::ostream &operator << (std::ostream &o,ApplyFsaBy const& c) {
o << c.name();
if (c.algorithm==BU_CUBE)
o << "("<<c.pop_limit<<")";
return o;
}
explicit ApplyFsaBy(int alg, int poplimit=200);
ApplyFsaBy(std::string const& name, int poplimit=200);
ApplyFsaBy(const ApplyFsaBy &o) : algorithm(o.algorithm) { }
static std::string all_names(); // space separated
};
void ApplyFsaModels(const Hypergraph& in,
const SentenceMetadata& smeta,
const FsaFeatureFunction& fsa,
DenseWeightVector const& weights, // pre: in is weighted by these (except with fsa featval=0 before this)
ApplyFsaBy const& cfg,
Hypergraph* out);
#endif
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