[mlpack-svn] r16174 - mlpack/trunk/src/mlpack/core/optimizers/sgd

[fastlab-svn at coffeetalk-1.cc.gatech.edu]

Author: birm
Date: Tue Jan 28 14:11:45 2014
New Revision: 16174

Log:
Added Tostring to SGD.


Modified:
   mlpack/trunk/src/mlpack/core/optimizers/sgd/sgd.hpp
   mlpack/trunk/src/mlpack/core/optimizers/sgd/sgd_impl.hpp

Modified: mlpack/trunk/src/mlpack/core/optimizers/sgd/sgd.hpp
==============================================================================
--- mlpack/trunk/src/mlpack/core/optimizers/sgd/sgd.hpp	(original)
+++ mlpack/trunk/src/mlpack/core/optimizers/sgd/sgd.hpp	Tue Jan 28 14:11:45 2014
@@ -121,6 +121,9 @@
   //! Modify whether or not the individual functions are shuffled.
   bool& Shuffle() { return shuffle; }
 
+  // convert the obkect into a string
+  std::string ToString() const;
+
  private:
   //! The instantiated function.
   DecomposableFunctionType& function;

Modified: mlpack/trunk/src/mlpack/core/optimizers/sgd/sgd_impl.hpp
==============================================================================
--- mlpack/trunk/src/mlpack/core/optimizers/sgd/sgd_impl.hpp	(original)
+++ mlpack/trunk/src/mlpack/core/optimizers/sgd/sgd_impl.hpp	Tue Jan 28 14:11:45 2014
@@ -97,6 +97,20 @@
   return overallObjective;
 }
 
+//Convert the Object to a String
+template<typename DecomposableFunctionType>
+std::string SGD<DecomposableFunctionType>::ToString() const{
+  std::ostringstream convert;
+  convert << "SGD [" << this << "]" << std::endl;
+  // Fix this! Why Only log? Ostream is lonely.
+  Log::Debug << "Function: " << function << std::endl;
+  convert << "StepSize: " << stepSize << std::endl;
+  convert << "Maximum Iterations: " << maxIterations << std::endl;
+  convert << "Tolerance: " << tolerance << std::endl;
+  convert << "Shuffle: " << shuffle << std::endl;
+  return convert.str();
+}
+
 }; // namespace optimization
 }; // namespace mlpack