1 files changed, 115 insertions, 0 deletions
diff --git a/btl/actions/action_svd_decomp.hh b/btl/actions/action_svd_decomp.hh
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+++ b/btl/actions/action_svd_decomp.hh
@@ -0,0 +1,115 @@
+//=====================================================
+// Copyright (C) 2011 Andrea Arteaga <andyspiros@gmail.com>
+//=====================================================
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+//
+#ifndef ACTION_SVD_DECOMP
+#define ACTION_SVD_DECOMP
+#include "utilities.h"
+#include "STL_interface.hh"
+#include <string>
+#include "init/init_function.hh"
+#include "init/init_vector.hh"
+#include "init/init_matrix.hh"
+
+using namespace std;
+
+template<class Interface>
+class Action_svd_decomp {
+
+public :
+
+  // Ctor
+
+  Action_svd_decomp( int size ) : _size(size)
+  {
+    MESSAGE("Action_svd_decomp Ctor");
+
+    // STL vector initialization
+    init_matrix<pseudo_random>(X_stl ,_size);
+    init_matrix<null_function>(U_stl, _size);
+    init_matrix<null_function>(VT_stl, _size);
+	init_vector<null_function>(S_stl, _size);
+
+    // generic matrix and vector initialization
+    Interface::matrix_from_stl(X_ref, X_stl);
+    Interface::matrix_from_stl(X, X_stl);
+    Interface::matrix_from_stl(U, U_stl);
+    Interface::matrix_from_stl(VT, VT_stl);
+    Interface::vector_from_stl(S, S_stl);
+
+    _cost = 4*size*size*size;
+  }
+
+  // invalidate copy ctor
+
+  Action_svd_decomp( const  Action_svd_decomp & )
+  {
+    INFOS("illegal call to Action_svd_decomp Copy Ctor");
+    exit(1);
+  }
+
+  // Dtor
+
+  ~Action_svd_decomp( void ){
+
+    MESSAGE("Action_svd_decomp Dtor");
+
+    // deallocation
+    Interface::free_matrix(X_ref, _size);
+    Interface::free_matrix(X, _size);
+    Interface::free_matrix(U, _size);
+    Interface::free_matrix(VT, _size);
+    Interface::free_vector(S);
+  }
+
+  // action name
+
+  static inline std::string name()
+  {
+    return "svd_decomp_"+Interface::name();
+  }
+
+  double nb_op_base( void ){
+    return _cost;
+  }
+
+  inline void initialize( void ){
+    Interface::copy_matrix(X_ref, X, _size);
+  }
+
+  inline void calculate( void ) {
+      Interface::svd_decomp(X, U, S, VT, _size);
+  }
+
+  void check_result( void ){
+  }
+
+private :
+
+  typename Interface::stl_matrix X_stl;
+  typename Interface::stl_matrix U_stl, VT_stl;
+  typename Interface::stl_vector S_stl;
+
+  typename Interface::gene_matrix X_ref;
+  typename Interface::gene_matrix X;
+  typename Interface::gene_matrix U, VT;
+  typename Interface::gene_vector S;
+
+  int _size;
+  double _cost;
+};
+
+#endif