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