PLearn 0.1
ComputePurenneError.h
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00001 // -*- C++ -*-
00002 
00003 // ComputePurenneError.h
00004 // Copyright (c) 1998-2002 Pascal Vincent
00005 // Copyright (C) 1999-2002 Yoshua Bengio and University of Montreal
00006 // Copyright (c) 2002 Jean-Sebastien Senecal, Xavier Saint-Mleux, Rejean Ducharme
00007 //
00008 // Redistribution and use in source and binary forms, with or without
00009 // modification, are permitted provided that the following conditions are met:
00010 // 
00011 //  1. Redistributions of source code must retain the above copyright
00012 //     notice, this list of conditions and the following disclaimer.
00013 // 
00014 //  2. Redistributions in binary form must reproduce the above copyright
00015 //     notice, this list of conditions and the following disclaimer in the
00016 //     documentation and/or other materials provided with the distribution.
00017 // 
00018 //  3. The name of the authors may not be used to endorse or promote
00019 //     products derived from this software without specific prior written
00020 //     permission.
00021 // 
00022 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
00023 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00024 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
00025 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00026 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00027 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00028 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00029 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00030 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00031 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00032 // 
00033 // This file is part of the PLearn library. For more information on the PLearn
00034 // library, go to the PLearn Web site at www.plearn.org
00035 
00036 
00037 /* ********************************************************************************    
00038  * $Id: ComputePurenneError.h, v 1.0 2004/07/19 10:00:00 Bengio/Kegl/Godbout   *
00039  * This file is part of the PLearn library.                                     *
00040  ******************************************************************************** */
00041 
00044 #ifndef ComputePurenneError_INC
00045 #define ComputePurenneError_INC
00046 
00047 #include <plearn_learners/generic/PLearner.h>
00048 #include <plearn/base/stringutils.h>
00049 
00050 namespace PLearn {
00051 using namespace std;
00052 
00053 class ComputePurenneError: public PLearner
00054 {
00055     typedef PLearner inherited;   
00056   
00057 public:
00058     ComputePurenneError();
00059     virtual              ~ComputePurenneError();
00060     
00061     PLEARN_DECLARE_OBJECT(ComputePurenneError);
00062 
00063     static  void         declareOptions(OptionList& ol);
00064     virtual void         makeDeepCopyFromShallowCopy(CopiesMap &copies);
00065     virtual void         build();
00066     virtual void         train();
00067     virtual void         forget();
00068     virtual int          outputsize() const;
00069     virtual TVec<string> getTrainCostNames() const;
00070     virtual TVec<string> getTestCostNames() const;
00071     virtual void         computeOutput(const Vec& input, Vec& output) const;
00072     virtual void         computeOutputAndCosts(const Vec& input, const Vec& target, Vec& output, Vec& costs) const;
00073     virtual void         computeCostsFromOutputs(const Vec& input, const Vec& output, const Vec& target, Vec& costs) const;
00074   
00075 private:
00076     void         build_();
00077 };
00078 
00079 DECLARE_OBJECT_PTR(ComputePurenneError);
00080 
00081 } // end of namespace PLearn
00082 
00083 #endif
00084 
00085 
00086 /*
00087   Local Variables:
00088   mode:c++
00089   c-basic-offset:4
00090   c-file-style:"stroustrup"
00091   c-file-offsets:((innamespace . 0)(inline-open . 0))
00092   indent-tabs-mode:nil
00093   fill-column:79
00094   End:
00095 */
00096 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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