PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // NoSplitSplitter.cc 00004 // 00005 // Copyright (C) 2004 Olivier Delalleau 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 /* ******************************************************* 00036 * $Id: NoSplitSplitter.cc 8128 2007-10-02 15:54:19Z tihocan $ 00037 ******************************************************* */ 00038 00039 // Authors: Olivier Delalleau 00040 00044 #include "NoSplitSplitter.h" 00045 00046 namespace PLearn { 00047 using namespace std; 00048 00050 // NoSplitSplitter // 00052 NoSplitSplitter::NoSplitSplitter() 00053 { 00054 } 00055 00056 PLEARN_IMPLEMENT_OBJECT(NoSplitSplitter, 00057 "A Splitter that actually just returns the original dataset.", 00058 "This splitter can be used as a special case, e.g. in a StackedSplitter.\n" 00059 ); 00060 00062 // declareOptions // 00064 void NoSplitSplitter::declareOptions(OptionList& ol) 00065 { 00066 // ### Declare all of this object's options here 00067 // ### For the "flags" of each option, you should typically specify 00068 // ### one of OptionBase::buildoption, OptionBase::learntoption or 00069 // ### OptionBase::tuningoption. Another possible flag to be combined with 00070 // ### is OptionBase::nosave 00071 00072 // declareOption(ol, "initial_splitter", &NoSplitSplitter::initial_splitter, OptionBase::buildoption, 00073 00074 // Now call the parent class' declareOptions 00075 inherited::declareOptions(ol); 00076 } 00077 00079 // build // 00081 void NoSplitSplitter::build() 00082 { 00083 inherited::build(); 00084 build_(); 00085 } 00086 00088 // build_ // 00090 void NoSplitSplitter::build_() 00091 { 00092 // ### This method should do the real building of the object, 00093 // ### according to set 'options', in *any* situation. 00094 // ### Typical situations include: 00095 // ### - Initial building of an object from a few user-specified options 00096 // ### - Building of a "reloaded" object: i.e. from the complete set of all serialised options. 00097 // ### - Updating or "re-building" of an object after a few "tuning" options have been modified. 00098 // ### You should assume that the parent class' build_() has already been called. 00099 } 00100 00102 // makeDeepCopyFromShallowCopy // 00104 void NoSplitSplitter::makeDeepCopyFromShallowCopy(CopiesMap& copies) 00105 { 00106 inherited::makeDeepCopyFromShallowCopy(copies); 00107 } 00108 00110 // nsplits // 00112 int NoSplitSplitter::nsplits() const 00113 { 00114 return 1; 00115 } 00116 00118 // nSetsPerSplit // 00120 int NoSplitSplitter::nSetsPerSplit() const 00121 { 00122 return 1; 00123 } 00124 00126 // getSplit // 00128 TVec<VMat> NoSplitSplitter::getSplit(int k) 00129 { 00130 PLASSERT_MSG(k==0,"In NoSplitSplitter::getSplit - Asked for a split that " 00131 "does not exist"); 00132 TVec<VMat> result(1); 00133 result[0] = dataset; 00134 return result; 00135 } 00136 00137 } // end of namespace PLearn 00138 00139 00140 /* 00141 Local Variables: 00142 mode:c++ 00143 c-basic-offset:4 00144 c-file-style:"stroustrup" 00145 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00146 indent-tabs-mode:nil 00147 fill-column:79 00148 End: 00149 */ 00150 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :