1 files changed, 0 insertions, 22 deletions
diff --git a/training/entropy.h b/training/entropy.h
deleted file mode 100644
index 796589ca..00000000
--- a/training/entropy.h
+++ /dev/null
@@ -1,22 +0,0 @@
-#ifndef _CSENTROPY_H_
-#define _CSENTROPY_H_
-
-#include <vector>
-#include "sparse_vector.h"
-
-namespace training {
-  class CandidateSet;
-
-  class CandidateSetEntropy {
-   public:
-    explicit CandidateSetEntropy(const CandidateSet& cs) : cands_(cs) {}
-    // compute the entropy (expected log likelihood) of a CandidateSet
-    // (optional) the gradient of the entropy with respect to params
-    double operator()(const std::vector<double>& params,
-                      SparseVector<double>* g = NULL) const;
-   private:
-    const CandidateSet& cands_;
-  };
-};
-
-#endif