1 files changed, 22 insertions, 1 deletions
diff --git a/train.cpp b/train.cpp
index 83d8cdc..4e2146b 100644
--- a/train.cpp
+++ b/train.cpp
@@ -1,3 +1,24 @@
+/*
+ * ranksvm: main program
+ *  usage: ./ranksvm -h to see all options
+ *  support:
+ *      training
+ *      validating
+ *      predicting
+ *  model:
+ *      TN  RankSVM(truncated newton, conjugate gradient, various opt)
+ *      BH  bhat-dist
+ *      HE  Hell-dist(but output chance instead?!)
+ *  out features:
+ *      cmc
+ *          Cumulative Matching Characteristic
+ *      avg
+ *          Normalized avg rank
+ *      predict
+ *          image pair relevance value
+ */
+
+
 #include <iostream>
 #include <Eigen/Dense>
 #include <boost/program_options.hpp>
@@ -190,7 +211,7 @@ int main(int argc, char **argv) {
     else return 0;
     DataProvider* dp;
     if (vm["feature"].as<string>().find(".rid") == string::npos)
-        LOG(FATAL)<<"Format not supported";
+        LOG(FATAL)<<"Format no longer supported";
     else
     {
         RidFileDP* tmpdp = new RidFileDP(vm["feature"].as<string>());