fixes for sparse feature handling

3 files changed, 4 insertions, 4 deletions

diff --git a/mert/Data.cpp b/mert/Data.cpp
index 3f91c1376..1efa080a2 100644
--- a/mert/Data.cpp
+++ b/mert/Data.cpp
@@ -212,7 +212,7 @@ void Data::InitFeatureMap(const string& str) {
   while (!buf.empty()) {
     getNextPound(buf, substr);
 
-    // string ending with ":" are skipped, because they are the names of the features
+    // string ending with "=" are skipped, because they are the names of the features
     if (!EndsWith(substr, "=")) {
       stringstream ss;
       ss << tmp_name << "_" << tmp_index << " ";
diff --git a/mert/FeatureDataIterator.cpp b/mert/FeatureDataIterator.cpp
index a22112bb4..471da07ee 100644
--- a/mert/FeatureDataIterator.cpp
+++ b/mert/FeatureDataIterator.cpp
@@ -89,7 +89,7 @@ void FeatureDataIterator::readNext() {
       StringPiece line = m_in->ReadLine();
       m_next.push_back(FeatureDataItem());
       for (TokenIter<AnyCharacter, true> token(line, AnyCharacter(" \t")); token; ++token) {
-        TokenIter<AnyCharacterLast,false> value(*token,AnyCharacterLast(":"));
+        TokenIter<AnyCharacterLast,false> value(*token,AnyCharacterLast("="));
         if (!value) throw FileFormatException(m_in->FileName(), line.as_string());
         StringPiece first = *value;
         ++value;
diff --git a/mert/FeatureStats.cpp b/mert/FeatureStats.cpp
index 22f62e234..242d3fbd0 100644
--- a/mert/FeatureStats.cpp
+++ b/mert/FeatureStats.cpp
@@ -220,12 +220,12 @@ void FeatureStats::set(string &theString, const SparseVector& sparseWeights )
   while (!theString.empty()) {
     getNextPound(theString, substring);
     // regular feature
-    if (substring.find(":") == string::npos) {
+    if (substring.find("=") == string::npos) {
       add(ConvertStringToFeatureStatsType(substring));
     }
     // sparse feature
     else {
-      size_t separator = substring.find_last_of(":");
+      size_t separator = substring.find_last_of("=");
       addSparse(substring.substr(0,separator), atof(substring.substr(separator+1).c_str()) );
     }
   }