diff options
author | Michael Denkowski <michael.j.denkowski@gmail.com> | 2012-12-22 16:01:23 -0500 |
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committer | Michael Denkowski <michael.j.denkowski@gmail.com> | 2012-12-22 16:01:23 -0500 |
commit | 597d89c11db53e91bc011eab70fd613bbe6453e8 (patch) | |
tree | 83c87c07d1ff6d3ee4e3b1626f7eddd49c61095b /klm/search/vertex.hh | |
parent | 65e958ff2678a41c22be7171456a63f002ef370b (diff) | |
parent | 201af2acd394415a05072fbd53d42584875aa4b4 (diff) |
Merge branch 'master' of git://github.com/redpony/cdec
Diffstat (limited to 'klm/search/vertex.hh')
-rw-r--r-- | klm/search/vertex.hh | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/klm/search/vertex.hh b/klm/search/vertex.hh index 52bc1dfe..10b3339b 100644 --- a/klm/search/vertex.hh +++ b/klm/search/vertex.hh @@ -2,7 +2,6 @@ #define SEARCH_VERTEX__ #include "lm/left.hh" -#include "search/final.hh" #include "search/types.hh" #include <boost/unordered_set.hpp> @@ -10,6 +9,7 @@ #include <queue> #include <vector> +#include <math.h> #include <stdint.h> namespace search { @@ -18,7 +18,7 @@ class ContextBase; class VertexNode { public: - VertexNode() {} + VertexNode() : end_() {} void InitRoot() { extend_.clear(); @@ -26,7 +26,7 @@ class VertexNode { state_.left.length = 0; state_.right.length = 0; right_full_ = false; - end_ = Final(); + end_ = History(); } lm::ngram::ChartState &MutableState() { return state_; } @@ -36,20 +36,21 @@ class VertexNode { extend_.push_back(next); } - void SetEnd(Final end) { - assert(!end_.Valid()); + void SetEnd(History end, Score score) { + assert(!end_); end_ = end; + bound_ = score; } - void SortAndSet(ContextBase &context, VertexNode **parent_pointer); + void SortAndSet(ContextBase &context); // Should only happen to a root node when the entire vertex is empty. bool Empty() const { - return !end_.Valid() && extend_.empty(); + return !end_ && extend_.empty(); } bool Complete() const { - return end_.Valid(); + return end_; } const lm::ngram::ChartState &State() const { return state_; } @@ -64,7 +65,7 @@ class VertexNode { } // Will be invalid unless this is a leaf. - const Final End() const { return end_; } + const History End() const { return end_; } const VertexNode &operator[](size_t index) const { return *extend_[index]; @@ -75,13 +76,15 @@ class VertexNode { } private: + void RecursiveSortAndSet(ContextBase &context, VertexNode *&parent); + std::vector<VertexNode*> extend_; lm::ngram::ChartState state_; bool right_full_; Score bound_; - Final end_; + History end_; }; class PartialVertex { @@ -97,7 +100,7 @@ class PartialVertex { const lm::ngram::ChartState &State() const { return back_->State(); } bool RightFull() const { return back_->RightFull(); } - Score Bound() const { return Complete() ? back_->End().GetScore() : (*back_)[index_].Bound(); } + Score Bound() const { return Complete() ? back_->Bound() : (*back_)[index_].Bound(); } unsigned char Length() const { return back_->Length(); } @@ -121,7 +124,7 @@ class PartialVertex { return ret; } - const Final End() const { + const History End() const { return back_->End(); } @@ -130,16 +133,18 @@ class PartialVertex { unsigned int index_; }; +template <class Output> class VertexGenerator; + class Vertex { public: Vertex() {} PartialVertex RootPartial() const { return PartialVertex(root_); } - const Final BestChild() const { + const History BestChild() const { PartialVertex top(RootPartial()); if (top.Empty()) { - return Final(); + return History(); } else { PartialVertex continuation; while (!top.Complete()) { @@ -150,8 +155,8 @@ class Vertex { } private: - friend class VertexGenerator; - + template <class Output> friend class VertexGenerator; + template <class Output> friend class RootVertexGenerator; VertexNode root_; }; |