PLearn 0.1
RealFunctionsProcessedVMatrix.cc
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00001 // -*- C++ -*-
00002 
00003 // RealFunctionsProcessedVMatrix.cc
00004 //
00005 // Copyright (C) 2006 Xavier Saint-Mleux
00006 //
00007 // Redistribution and use in source and binary forms, with or without
00008 // modification, are permitted provided that the following conditions are met:
00009 //
00010 //  1. Redistributions of source code must retain the above copyright
00011 //     notice, this list of conditions and the following disclaimer.
00012 //
00013 //  2. Redistributions in binary form must reproduce the above copyright
00014 //     notice, this list of conditions and the following disclaimer in the
00015 //     documentation and/or other materials provided with the distribution.
00016 //
00017 //  3. The name of the authors may not be used to endorse or promote
00018 //     products derived from this software without specific prior written
00019 //     permission.
00020 //
00021 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
00022 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00023 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
00024 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00025 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00026 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00027 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00028 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00029 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00030 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00031 //
00032 // This file is part of the PLearn library. For more information on the PLearn
00033 // library, go to the PLearn Web site at www.plearn.org
00034 
00035 // Author: Xavier Saint-Mleux
00036 
00040 #include "RealFunctionsProcessedVMatrix.h"
00041 
00042 namespace PLearn {
00043 using namespace std;
00044 
00045 
00046 RealFunctionsProcessedVMatrix::RealFunctionsProcessedVMatrix(VMat source_,
00047                                                              const TVec<RealFunc>& functions_,
00048                                                              bool put_raw_input_,
00049                                                              bool put_non_input_,
00050                                                              bool call_build_)
00051     :inherited(source_, call_build_),
00052      functions(functions_),
00053      put_raw_input(put_raw_input_),
00054      put_non_input(put_non_input_)
00055 {
00056     if( call_build_ )
00057         build_();
00058 }
00059 
00060 
00061 PLEARN_IMPLEMENT_OBJECT(RealFunctionsProcessedVMatrix,
00062                         "","");
00064 // declareOptions //
00066 void RealFunctionsProcessedVMatrix::declareOptions(OptionList& ol)
00067 {
00068     // ### Declare all of this object's options here
00069     // ### For the "flags" of each option, you should typically specify
00070     // ### one of OptionBase::buildoption, OptionBase::learntoption or
00071     // ### OptionBase::tuningoption. Another possible flag to be combined with
00072     // ### is OptionBase::nosave
00073 
00074     declareOption(ol, "functions",
00075                   &RealFunctionsProcessedVMatrix::functions,
00076                   OptionBase::buildoption,
00077                   "The functions used to process the inputs from the source VMat.");
00078 
00079     declareOption(ol, "put_raw_input", &RealFunctionsProcessedVMatrix::put_raw_input,
00080                   OptionBase::buildoption,
00081                   "Whether to include in the input part of this VMatrix the"
00082                   " raw input part\n"
00083                   "of 'source'.\n");
00084 
00085     declareOption(ol, "put_non_input", &RealFunctionsProcessedVMatrix::put_non_input,
00086                   OptionBase::buildoption,
00087                   "Whether to include in this VMatrix the original target and"
00088                   " weights.");
00089 
00090     // Now call the parent class' declareOptions
00091     inherited::declareOptions(ol);
00092 }
00093 
00095 // build_ //
00097 void RealFunctionsProcessedVMatrix::build_()
00098 {
00099     if(source)
00100     {
00101         updateMtime(source);
00102         length_= source->length();
00103         if(functions)
00104         {
00105             width_= functions->length();
00106             if(put_raw_input)
00107                 width_+= source->inputsize();
00108             if(put_non_input)
00109                 width_+= source->targetsize() + source->weightsize();
00110         }
00111     }
00112 }
00113 
00115 // build //
00117 void RealFunctionsProcessedVMatrix::build()
00118 {
00119     inherited::build();
00120     build_();
00121 }
00122 
00123 void RealFunctionsProcessedVMatrix::makeDeepCopyFromShallowCopy(CopiesMap& copies)
00124 {
00125     inherited::makeDeepCopyFromShallowCopy(copies);
00126     deepCopyField(input, copies);
00127     deepCopyField(targ, copies);
00128     deepCopyField(functions, copies);
00129 }
00130 
00131 
00132 
00133 
00134 
00135 void RealFunctionsProcessedVMatrix::getNewRow(int i, const Vec& v) const
00136 {
00137     source->getExample(i, input, targ, weight);
00138     Vec v2;
00139     evaluate_functions(functions, input, v2);
00140     int l0= 0, l1= v2.length();
00141     v.subVec(l0, l1) << v2;
00142     l0+= l1;
00143     if(put_raw_input)
00144     {
00145         l1= input.length();
00146         v.subVec(l0, l1) << input;
00147         l0+= l1;
00148     }
00149     if(put_non_input)
00150     {
00151         l1= targ.length();
00152         v.subVec(l0, l1) << targ;
00153         if(0 < weightsize_)
00154             v[l0+l1]= weight;
00155     }
00156 }
00157 
00158 
00159 
00160 } // end of namespace PLearn
00161 
00162 
00163 /*
00164   Local Variables:
00165   mode:c++
00166   c-basic-offset:4
00167   c-file-style:"stroustrup"
00168   c-file-offsets:((innamespace . 0)(inline-open . 0))
00169   indent-tabs-mode:nil
00170   fill-column:79
00171   End:
00172 */
00173 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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