From d389d25b78e5c99366f49cdcaf788693f3c01c40 Mon Sep 17 00:00:00 2001 From: Paul Baltescu Date: Wed, 27 Nov 2013 14:33:36 +0000 Subject: Unify sampling backoff strategy. --- extractor/matchings_sampler.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 extractor/matchings_sampler.h (limited to 'extractor/matchings_sampler.h') diff --git a/extractor/matchings_sampler.h b/extractor/matchings_sampler.h new file mode 100644 index 00000000..ca4fce93 --- /dev/null +++ b/extractor/matchings_sampler.h @@ -0,0 +1,31 @@ +#ifndef _MATCHINGS_SAMPLER_H_ +#define _MATCHINGS_SAMPLER_H_ + +#include "backoff_sampler.h" + +namespace extractor { + +class DataArray; + +class MatchingsSampler : public BackoffSampler { + public: + MatchingsSampler(shared_ptr data_array, int max_samples); + + MatchingsSampler(); + + private: + int GetNumSubpatterns(const PhraseLocation& location) const; + + int GetRangeLow(const PhraseLocation& location) const; + + int GetRangeHigh(const PhraseLocation& location) const; + + int GetPosition(const PhraseLocation& location, int index) const; + + void AppendMatching(vector& samples, int index, + const PhraseLocation& location) const; +}; + +} // namespace extractor + +#endif -- cgit v1.2.3