Add a source file for Indexer class

- Move some non-performance critical methods to the source file
- Fix some implicit declarions of members in iomanip
- Fix declaration order in Makefile.in

packages/CLPBN/horus/Indexer.cpp

@@ -0,0 +1,32 @@
+#include <sstream>
+#include <iomanip>
+
+#include "Indexer.h"
+
+
+namespace Horus {
+
+std::ostream&
+operator<< (std::ostream& os, const Indexer& indexer)
+{
+  os << "(" ;
+  os << std::setw (2) << std::setfill('0') << indexer.index_;
+  os << ") " ;
+  os << indexer.indices_;
+  return os;
+}
+
+
+
+std::ostream&
+operator<< (std::ostream &os, const MapIndexer& indexer)
+{
+  os << "(" ;
+  os << std::setw (2) << std::setfill('0') << indexer.index_;
+  os << ") " ;
+  os << indexer.indices_;
+  return os;
+}
+
+}  // namespace Horus
+