factor forest stats (show size post pruning, and portion kept) and cdec --scale_prune_srclen

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@96 ec762483-ff6d-05da-a07a-a48fb63a330f

1 files changed, 10 insertions, 0 deletions

diff --git a/decoder/hg.cc b/decoder/hg.cc
index 025feb7c..4da0beb3 100644
--- a/decoder/hg.cc
+++ b/decoder/hg.cc
@@ -6,6 +6,7 @@
 #include <set>
 #include <map>
 #include <iostream>
+#include <sstream>
 
 #include "viterbi.h"
 #include "inside_outside.h"
@@ -13,6 +14,15 @@
 
 using namespace std;
 
+std::string Hypergraph::stats(std::string const& name) const
+{
+  ostringstream o;
+  o<<name<<" (nodes/edges): "<<nodes_.size()<<'/'<<edges_.size()<<endl;
+  o<<name<<"       (paths): "<<NumberOfPaths()<<endl;
+  return o.str();
+}
+
+
 double Hypergraph::NumberOfPaths() const {
   return Inside<double, TransitionCountWeightFunction>(*this);
 }