prune.h
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// See www.openfst.org for extensive documentation on this weighted
// finite-state transducer library.
#ifndef FST_SCRIPT_PRUNE_H_
#define FST_SCRIPT_PRUNE_H_
#include <tuple>
#include <utility>
#include <fst/prune.h>
#include <fst/script/fst-class.h>
#include <fst/script/weight-class.h>
namespace fst {
namespace script {
using PruneArgs1 = std::tuple<const FstClass &, MutableFstClass *,
const WeightClass &, int64, float>;
template <class Arc>
void Prune(PruneArgs1 *args) {
using Weight = typename Arc::Weight;
const Fst<Arc> &ifst = *(std::get<0>(*args).GetFst<Arc>());
MutableFst<Arc> *ofst = std::get<1>(*args)->GetMutableFst<Arc>();
const auto weight_threshold = *(std::get<2>(*args).GetWeight<Weight>());
Prune(ifst, ofst, weight_threshold, std::get<3>(*args), std::get<4>(*args));
}
using PruneArgs2 = std::tuple<MutableFstClass *, const WeightClass &, int64,
float>;
template <class Arc>
void Prune(PruneArgs2 *args) {
using Weight = typename Arc::Weight;
MutableFst<Arc> *fst = std::get<0>(*args)->GetMutableFst<Arc>();
const auto weight_threshold = *(std::get<1>(*args).GetWeight<Weight>());
Prune(fst, weight_threshold, std::get<2>(*args), std::get<3>(*args));
}
void Prune(const FstClass &ifst, MutableFstClass *ofst,
const WeightClass &weight_threshold,
int64 state_threshold = kNoStateId,
float delta = kDelta);
void Prune(MutableFstClass *fst, const WeightClass &weight_threshold,
int64 state_threshold = kNoStateId, float delta = kDelta);
} // namespace script
} // namespace fst
#endif // FST_SCRIPT_PRUNE_H_