1 files changed, 18 insertions, 0 deletions
diff --git a/klm/search/types.hh b/klm/search/types.hh
new file mode 100644
index 00000000..9726379f
--- /dev/null
+++ b/klm/search/types.hh
@@ -0,0 +1,18 @@
+#ifndef SEARCH_TYPES__
+#define SEARCH_TYPES__
+
+#include <cmath>
+
+namespace search {
+
+typedef float Score;
+const Score kScoreInf = INFINITY;
+
+// This could have been an enum but gcc wants 4 bytes.  
+typedef bool ExtendDirection;
+const ExtendDirection kExtendLeft = 0;
+const ExtendDirection kExtendRight = 1;
+
+} // namespace search
+
+#endif // SEARCH_TYPES__