PLearn 0.1
LiftOutputVariable.h
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00001 // -*- C++ -*-
00002 
00003 // PLearn (A C++ Machine Learning Library)
00004 // Copyright (C) 2003 Olivier Delalleau
00005 
00006 // Redistribution and use in source and binary forms, with or without
00007 // modification, are permitted provided that the following conditions are met:
00008 // 
00009 //  1. Redistributions of source code must retain the above copyright
00010 //     notice, this list of conditions and the following disclaimer.
00011 // 
00012 //  2. Redistributions in binary form must reproduce the above copyright
00013 //     notice, this list of conditions and the following disclaimer in the
00014 //     documentation and/or other materials provided with the distribution.
00015 // 
00016 //  3. The name of the authors may not be used to endorse or promote
00017 //     products derived from this software without specific prior written
00018 //     permission.
00019 // 
00020 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
00021 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00022 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
00023 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00024 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00025 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00026 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00027 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00028 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00029 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00030 // 
00031 // This file is part of the PLearn library. For more information on the PLearn
00032 // library, go to the PLearn Web site at www.plearn.org
00033 
00034 
00035 /* *******************************************************      
00036  * $Id: LiftOutputVariable.h 3994 2005-08-25 13:35:03Z chapados $
00037  * This file is part of the PLearn library.
00038  ******************************************************* */
00039 
00040 #ifndef LiftOutputVariable_INC
00041 #define LiftOutputVariable_INC
00042 
00043 #include "BinaryVariable.h"
00044 
00045 namespace PLearn {
00046 using namespace std;
00047 
00048 class LiftOutputVariable: public BinaryVariable
00049 {
00050     typedef BinaryVariable inherited;
00051 
00052 public:
00054     LiftOutputVariable() {}
00055     LiftOutputVariable(Variable* netout, Variable* target);
00056 
00057     PLEARN_DECLARE_OBJECT(LiftOutputVariable);
00058 
00059     virtual void build();
00060 
00061     virtual void recomputeSize(int& l, int& w) const;
00062     virtual void fprop();
00063     virtual void bprop();
00064 
00065 protected:
00066     void build_();
00067 };
00068 
00069 DECLARE_OBJECT_PTR(LiftOutputVariable);
00070 
00071 inline Var lift_output(Var linear_output, Var target)
00072 {
00073     return new LiftOutputVariable(linear_output, target);
00074 }
00075 
00076 } // end of namespace PLearn
00077 
00078 #endif 
00079 
00080 
00081 /*
00082   Local Variables:
00083   mode:c++
00084   c-basic-offset:4
00085   c-file-style:"stroustrup"
00086   c-file-offsets:((innamespace . 0)(inline-open . 0))
00087   indent-tabs-mode:nil
00088   fill-column:79
00089   End:
00090 */
00091 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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