Better name for function (glf1).

1 files changed, 8 insertions, 7 deletions

diff --git a/vowpalwabbit/scorer.cc b/vowpalwabbit/scorer.cc
index ea327895..507c60c1 100644
--- a/vowpalwabbit/scorer.cc
+++ b/vowpalwabbit/scorer.cc
@@ -34,8 +34,9 @@ namespace Scorer {
 
   // http://en.wikipedia.org/wiki/Generalized_logistic_curve
   // where the lower & upper asymptotes are -1 & 1 respectively
-  // y = f(x) -> [-1, 1]
-  float glc1(float in)
+  // 'glf1' stands for 'Generalized Logistic Function with [-1,1] range'
+  //    y = f(x) -> [-1, 1]
+  float glf1(float in)
   {
     return 2.f / (1.f + exp(- in)) - 1.f;
   }
@@ -53,7 +54,7 @@ namespace Scorer {
     po::options_description link_opts("Link options");
 
     link_opts.add_options()
-      ("link", po::value<string>()->default_value("identity"), "Specify the link function: identity, logistic or glc1");
+      ("link", po::value<string>()->default_value("identity"), "Specify the link function: identity, logistic or glf1");
 
     vm = add_options(all, link_opts);
 
@@ -71,11 +72,11 @@ namespace Scorer {
 	l->set_learn<scorer, predict_or_learn<true, logistic> >();
 	l->set_predict<scorer, predict_or_learn<false, logistic> >();
       }
-    else if (link.compare("glc1") == 0)
+    else if (link.compare("glf1") == 0)
       {
-	all.file_options.append(" --link=glc1 ");
-	l->set_learn<scorer, predict_or_learn<true, glc1> >();
-	l->set_predict<scorer, predict_or_learn<false, glc1> >();
+	all.file_options.append(" --link=glf1 ");
+	l->set_learn<scorer, predict_or_learn<true, glf1> >();
+	l->set_predict<scorer, predict_or_learn<false, glf1> >();
       }
     else
       {