1 files changed, 81 insertions, 0 deletions
diff --git a/contrib/moses2/HypothesisBase.cpp b/contrib/moses2/HypothesisBase.cpp
new file mode 100644
index 000000000..8b65a0cdf
--- /dev/null
+++ b/contrib/moses2/HypothesisBase.cpp
@@ -0,0 +1,81 @@
+/*
+ * Hypothesis.cpp
+ *
+ *  Created on: 24 Oct 2015
+ *      Author: hieu
+ */
+
+#include <boost/foreach.hpp>
+#include <stdlib.h>
+#include <deque>
+#include "HypothesisBase.h"
+#include "System.h"
+#include "Scores.h"
+#include "ManagerBase.h"
+#include "MemPool.h"
+#include "FF/StatefulFeatureFunction.h"
+
+using namespace std;
+
+namespace Moses2
+{
+
+//size_t g_numHypos = 0;
+
+HypothesisBase::HypothesisBase(MemPool &pool, const System &system)
+{
+  m_scores = new (pool.Allocate<Scores>()) Scores(system, pool,
+      system.featureFunctions.GetNumScores());
+
+  // FF states
+  const std::vector<const StatefulFeatureFunction*> &sfffs =
+      system.featureFunctions.GetStatefulFeatureFunctions();
+  size_t numStatefulFFs = sfffs.size();
+  m_ffStates = (FFState **) pool.Allocate(sizeof(FFState*) * numStatefulFFs);
+
+  BOOST_FOREACH(const StatefulFeatureFunction *sfff, sfffs){
+  size_t statefulInd = sfff->GetStatefulInd();
+  FFState *state = sfff->BlankState(pool, system);
+  m_ffStates[statefulInd] = state;
+}
+}
+
+size_t HypothesisBase::hash() const
+{
+  return hash(0);
+}
+
+size_t HypothesisBase::hash(size_t seed) const
+{
+  size_t numStatefulFFs =
+      GetManager().system.featureFunctions.GetStatefulFeatureFunctions().size();
+
+  // states
+  for (size_t i = 0; i < numStatefulFFs; ++i) {
+    const FFState *state = m_ffStates[i];
+    size_t hash = state->hash();
+    boost::hash_combine(seed, hash);
+  }
+  return seed;
+
+}
+
+bool HypothesisBase::operator==(const HypothesisBase &other) const
+{
+  size_t numStatefulFFs =
+      GetManager().system.featureFunctions.GetStatefulFeatureFunctions().size();
+
+  // states
+  for (size_t i = 0; i < numStatefulFFs; ++i) {
+    const FFState &thisState = *m_ffStates[i];
+    const FFState &otherState = *other.m_ffStates[i];
+    if (thisState != otherState) {
+      return false;
+    }
+  }
+  return true;
+
+}
+
+}
+