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author | Chris Dyer <cdyer@cs.cmu.edu> | 2012-10-11 14:06:32 -0400 |
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committer | Chris Dyer <cdyer@cs.cmu.edu> | 2012-10-11 14:06:32 -0400 |
commit | 9339c80d465545aec5a6dccfef7c83ca715bf11f (patch) | |
tree | 64c56d558331edad1db3832018c80e799551c39a /gi/pf/monotonic_pseg.h | |
parent | 438dac41810b7c69fa10203ac5130d20efa2da9f (diff) | |
parent | afd7da3b2338661657ad0c4e9eec681e014d37bf (diff) |
Merge branch 'master' of https://github.com/redpony/cdec
Diffstat (limited to 'gi/pf/monotonic_pseg.h')
-rw-r--r-- | gi/pf/monotonic_pseg.h | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/gi/pf/monotonic_pseg.h b/gi/pf/monotonic_pseg.h deleted file mode 100644 index 10d171fe..00000000 --- a/gi/pf/monotonic_pseg.h +++ /dev/null @@ -1,89 +0,0 @@ -#ifndef _MONOTONIC_PSEG_H_ -#define _MONOTONIC_PSEG_H_ - -#include <vector> - -#include "prob.h" -#include "ccrp_nt.h" -#include "trule.h" -#include "base_distributions.h" - -template <typename BaseMeasure> -struct MonotonicParallelSegementationModel { - explicit MonotonicParallelSegementationModel(BaseMeasure& rcp0) : - rp0(rcp0), base(prob_t::One()), rules(1,1), stop(1.0) {} - - void DecrementRule(const TRule& rule) { - if (rules.decrement(rule)) - base /= rp0(rule); - } - - void IncrementRule(const TRule& rule) { - if (rules.increment(rule)) - base *= rp0(rule); - } - - void IncrementRulesAndStops(const std::vector<TRulePtr>& rules) { - for (int i = 0; i < rules.size(); ++i) - IncrementRule(*rules[i]); - if (rules.size()) IncrementContinue(rules.size() - 1); - IncrementStop(); - } - - void DecrementRulesAndStops(const std::vector<TRulePtr>& rules) { - for (int i = 0; i < rules.size(); ++i) - DecrementRule(*rules[i]); - if (rules.size()) { - DecrementContinue(rules.size() - 1); - DecrementStop(); - } - } - - prob_t RuleProbability(const TRule& rule) const { - prob_t p; p.logeq(rules.logprob(rule, log(rp0(rule)))); - return p; - } - - prob_t Likelihood() const { - prob_t p = base; - prob_t q; q.logeq(rules.log_crp_prob()); - p *= q; - q.logeq(stop.log_crp_prob()); - p *= q; - return p; - } - - void IncrementStop() { - stop.increment(true); - } - - void IncrementContinue(int n = 1) { - for (int i = 0; i < n; ++i) - stop.increment(false); - } - - void DecrementStop() { - stop.decrement(true); - } - - void DecrementContinue(int n = 1) { - for (int i = 0; i < n; ++i) - stop.decrement(false); - } - - prob_t StopProbability() const { - return prob_t(stop.prob(true, 0.5)); - } - - prob_t ContinueProbability() const { - return prob_t(stop.prob(false, 0.5)); - } - - const BaseMeasure& rp0; - prob_t base; - CCRP_NoTable<TRule> rules; - CCRP_NoTable<bool> stop; -}; - -#endif - |