Merge branch 'master' of https://github.com/redpony/cdec

1 files changed, 0 insertions, 275 deletions

diff --git a/gi/pf/conditional_pseg.h b/gi/pf/conditional_pseg.h
deleted file mode 100644
index 81ddb206..00000000
--- a/gi/pf/conditional_pseg.h
+++ /dev/null
@@ -1,275 +0,0 @@
-#ifndef _CONDITIONAL_PSEG_H_
-#define _CONDITIONAL_PSEG_H_
-
-#include <vector>
-#include <tr1/unordered_map>
-#include <boost/functional/hash.hpp>
-#include <iostream>
-
-#include "m.h"
-#include "prob.h"
-#include "ccrp_nt.h"
-#include "mfcr.h"
-#include "trule.h"
-#include "base_distributions.h"
-#include "tdict.h"
-
-template <typename ConditionalBaseMeasure>
-struct MConditionalTranslationModel {
-  explicit MConditionalTranslationModel(ConditionalBaseMeasure& rcp0) :
-    rp0(rcp0), d(0.5), strength(1.0), lambdas(1, prob_t::One()), p0s(1) {}
-
-  void Summary() const {
-    std::cerr << "Number of conditioning contexts: " << r.size() << std::endl;
-    for (RuleModelHash::const_iterator it = r.begin(); it != r.end(); ++it) {
-      std::cerr << TD::GetString(it->first) << "   \t(d=" << it->second.discount() << ",s=" << it->second.strength() << ") --------------------------" << std::endl;
-      for (MFCR<1,TRule>::const_iterator i2 = it->second.begin(); i2 != it->second.end(); ++i2)
-        std::cerr << "   " << i2->second.total_dish_count_ << '\t' << i2->first << std::endl;
-    }
-  }
-
-  double log_likelihood(const double& dd, const double& aa) const {
-    if (aa <= -dd) return -std::numeric_limits<double>::infinity();
-    //double llh = Md::log_beta_density(dd, 10, 3) + Md::log_gamma_density(aa, 1, 1);
-    double llh = Md::log_beta_density(dd, 1, 1) +
-                 Md::log_gamma_density(dd + aa, 1, 1);
-    typename std::tr1::unordered_map<std::vector<WordID>, MFCR<1,TRule>, boost::hash<std::vector<WordID> > >::const_iterator it;
-    for (it = r.begin(); it != r.end(); ++it)
-      llh += it->second.log_crp_prob(dd, aa);
-    return llh;
-  }
-
-  struct DiscountResampler {
-    DiscountResampler(const MConditionalTranslationModel& m) : m_(m) {}
-    const MConditionalTranslationModel& m_;
-    double operator()(const double& proposed_discount) const {
-      return m_.log_likelihood(proposed_discount, m_.strength);
-    }
-  };
-
-  struct AlphaResampler {
-    AlphaResampler(const MConditionalTranslationModel& m) : m_(m) {}
-    const MConditionalTranslationModel& m_;
-    double operator()(const double& proposed_strength) const {
-      return m_.log_likelihood(m_.d, proposed_strength);
-    }
-  };
-
-  void ResampleHyperparameters(MT19937* rng) {
-    typename std::tr1::unordered_map<std::vector<WordID>, MFCR<1,TRule>, boost::hash<std::vector<WordID> > >::iterator it;
-#if 1
-    for (it = r.begin(); it != r.end(); ++it) {
-      it->second.resample_hyperparameters(rng);
-    }
-#else
-    const unsigned nloop = 5;
-    const unsigned niterations = 10;
-    DiscountResampler dr(*this);
-    AlphaResampler ar(*this);
-    for (int iter = 0; iter < nloop; ++iter) {
-      strength = slice_sampler1d(ar, strength, *rng, -d + std::numeric_limits<double>::min(),
-                              std::numeric_limits<double>::infinity(), 0.0, niterations, 100*niterations);
-      double min_discount = std::numeric_limits<double>::min();
-      if (strength < 0.0) min_discount -= strength;
-      d = slice_sampler1d(dr, d, *rng, min_discount,
-                          1.0, 0.0, niterations, 100*niterations);
-    }
-    strength = slice_sampler1d(ar, strength, *rng, -d,
-                            std::numeric_limits<double>::infinity(), 0.0, niterations, 100*niterations);
-    std::cerr << "MConditionalTranslationModel(d=" << d << ",s=" << strength << ") = " << log_likelihood(d, strength) << std::endl;
-    for (it = r.begin(); it != r.end(); ++it) {
-      it->second.set_discount(d);
-      it->second.set_strength(strength);
-    }
-#endif
-  }
-
-  int DecrementRule(const TRule& rule, MT19937* rng) {
-    RuleModelHash::iterator it = r.find(rule.f_);
-    assert(it != r.end());
-    const TableCount delta = it->second.decrement(rule, rng);
-    if (delta.count) {
-      if (it->second.num_customers() == 0) r.erase(it);
-    }
-    return delta.count;
-  }
-
-  int IncrementRule(const TRule& rule, MT19937* rng) {
-    RuleModelHash::iterator it = r.find(rule.f_);
-    if (it == r.end()) {
-      //it = r.insert(make_pair(rule.f_, MFCR<1,TRule>(d, strength))).first;
-      it = r.insert(make_pair(rule.f_, MFCR<1,TRule>(1,1,1,1,0.6, -0.12))).first;
-    }
-    p0s[0] = rp0(rule); 
-    TableCount delta = it->second.increment(rule, p0s.begin(), lambdas.begin(), rng);
-    return delta.count;
-  }
-
-  prob_t RuleProbability(const TRule& rule) const {
-    prob_t p;
-    RuleModelHash::const_iterator it = r.find(rule.f_);
-    if (it == r.end()) {
-      p = rp0(rule);
-    } else {
-      p0s[0] = rp0(rule);
-      p = it->second.prob(rule, p0s.begin(), lambdas.begin());
-    }
-    return p;
-  }
-
-  prob_t Likelihood() const {
-    prob_t p; p.logeq(log_likelihood(d, strength));
-    return p;
-  }
-
-  const ConditionalBaseMeasure& rp0;
-  typedef std::tr1::unordered_map<std::vector<WordID>,
-                                  MFCR<1, TRule>,
-                                  boost::hash<std::vector<WordID> > > RuleModelHash;
-  RuleModelHash r;
-  double d, strength;
-  std::vector<prob_t> lambdas;
-  mutable std::vector<prob_t> p0s;
-};
-
-template <typename ConditionalBaseMeasure>
-struct ConditionalTranslationModel {
-  explicit ConditionalTranslationModel(ConditionalBaseMeasure& rcp0) :
-    rp0(rcp0) {}
-
-  void Summary() const {
-    std::cerr << "Number of conditioning contexts: " << r.size() << std::endl;
-    for (RuleModelHash::const_iterator it = r.begin(); it != r.end(); ++it) {
-      std::cerr << TD::GetString(it->first) << "   \t(\\alpha = " << it->second.alpha() << ") --------------------------" << std::endl;
-      for (CCRP_NoTable<TRule>::const_iterator i2 = it->second.begin(); i2 != it->second.end(); ++i2)
-        std::cerr << "   " << i2->second << '\t' << i2->first << std::endl;
-    }
-  }
-
-  void ResampleHyperparameters(MT19937* rng) {
-    for (RuleModelHash::iterator it = r.begin(); it != r.end(); ++it)
-      it->second.resample_hyperparameters(rng);
-  } 
-
-  int DecrementRule(const TRule& rule) {
-    RuleModelHash::iterator it = r.find(rule.f_);
-    assert(it != r.end());    
-    int count = it->second.decrement(rule);
-    if (count) {
-      if (it->second.num_customers() == 0) r.erase(it);
-    }
-    return count;
-  }
-
-  int IncrementRule(const TRule& rule) {
-    RuleModelHash::iterator it = r.find(rule.f_);
-    if (it == r.end()) {
-      it = r.insert(make_pair(rule.f_, CCRP_NoTable<TRule>(1.0, 1.0, 8.0))).first;
-    } 
-    int count = it->second.increment(rule);
-    return count;
-  }
-
-  void IncrementRules(const std::vector<TRulePtr>& rules) {
-    for (int i = 0; i < rules.size(); ++i)
-      IncrementRule(*rules[i]);
-  }
-
-  void DecrementRules(const std::vector<TRulePtr>& rules) {
-    for (int i = 0; i < rules.size(); ++i)
-      DecrementRule(*rules[i]);
-  }
-
-  prob_t RuleProbability(const TRule& rule) const {
-    prob_t p;
-    RuleModelHash::const_iterator it = r.find(rule.f_);
-    if (it == r.end()) {
-      p.logeq(log(rp0(rule)));
-    } else {
-      p.logeq(it->second.logprob(rule, log(rp0(rule))));
-    }
-    return p;
-  }
-
-  prob_t Likelihood() const {
-    prob_t p = prob_t::One();
-    for (RuleModelHash::const_iterator it = r.begin(); it != r.end(); ++it) {
-      prob_t q; q.logeq(it->second.log_crp_prob());
-      p *= q;
-      for (CCRP_NoTable<TRule>::const_iterator i2 = it->second.begin(); i2 != it->second.end(); ++i2)
-        p *= rp0(i2->first);
-    }
-    return p;
-  }
-
-  const ConditionalBaseMeasure& rp0;
-  typedef std::tr1::unordered_map<std::vector<WordID>,
-                                  CCRP_NoTable<TRule>,
-                                  boost::hash<std::vector<WordID> > > RuleModelHash;
-  RuleModelHash r;
-};
-
-template <typename ConditionalBaseMeasure>
-struct ConditionalParallelSegementationModel {
-  explicit ConditionalParallelSegementationModel(ConditionalBaseMeasure& rcp0) :
-    tmodel(rcp0), base(prob_t::One()), aligns(1,1) {}
-
-  ConditionalTranslationModel<ConditionalBaseMeasure> tmodel;
-
-  void DecrementRule(const TRule& rule) {
-    tmodel.DecrementRule(rule);
-  }
-
-  void IncrementRule(const TRule& rule) {
-    tmodel.IncrementRule(rule);
-  }
-
-  void IncrementRulesAndAlignments(const std::vector<TRulePtr>& rules) {
-    tmodel.IncrementRules(rules);
-    for (int i = 0; i < rules.size(); ++i) {
-      IncrementAlign(rules[i]->f_.size());
-    }
-  }
-
-  void DecrementRulesAndAlignments(const std::vector<TRulePtr>& rules) {
-    tmodel.DecrementRules(rules);
-    for (int i = 0; i < rules.size(); ++i) {
-      DecrementAlign(rules[i]->f_.size());
-    }
-  }
-
-  prob_t RuleProbability(const TRule& rule) const {
-    return tmodel.RuleProbability(rule);
-  }
-
-  void IncrementAlign(unsigned span) {
-    if (aligns.increment(span)) {
-      // TODO
-    }
-  }
-
-  void DecrementAlign(unsigned span) {
-    if (aligns.decrement(span)) {
-      // TODO
-    }
-  }
-
-  prob_t AlignProbability(unsigned span) const {
-    prob_t p;
-    p.logeq(aligns.logprob(span, Md::log_poisson(span, 1.0)));
-    return p;
-  }
-
-  prob_t Likelihood() const {
-    prob_t p; p.logeq(aligns.log_crp_prob());
-    p *= base;
-    p *= tmodel.Likelihood();
-    return p;
-  }
-
-  prob_t base;
-  CCRP_NoTable<unsigned> aligns;
-};
-
-#endif
-