PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // ConstantVMatrix.cc 00004 // 00005 // Copyright (C) 2005 Nicolas Chapados 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: .pyskeleton_header 544 2003-09-01 00:05:31Z plearner $ 00037 ******************************************************* */ 00038 00039 // Authors: Nicolas Chapados 00040 00043 #include "ConstantVMatrix.h" 00044 00045 namespace PLearn { 00046 using namespace std; 00047 00048 PLEARN_IMPLEMENT_OBJECT( 00049 ConstantVMatrix, 00050 "VMatrix that returns a constant element.", 00051 "This VMatrix returns a constant element (specified upon construction\n" 00052 "through the constant_output option)"); 00053 00054 ConstantVMatrix::ConstantVMatrix() 00055 : inherited(), constant_output(MISSING_VALUE) 00056 { } 00057 00058 ConstantVMatrix::ConstantVMatrix(int the_length, int the_width, real constant) 00059 : inherited(the_length, the_width), constant_output(constant) 00060 { } 00061 00063 // declareOptions // 00065 void ConstantVMatrix::declareOptions(OptionList& ol) 00066 { 00067 declareOption(ol, "constant_output", &ConstantVMatrix::constant_output, 00068 OptionBase::buildoption, 00069 "The constant output to return"); 00070 00071 // Now call the parent class' declareOptions 00072 inherited::declareOptions(ol); 00073 } 00074 00076 // build // 00078 void ConstantVMatrix::build() 00079 { 00080 inherited::build(); 00081 build_(); 00082 } 00083 00085 // build_ // 00087 void ConstantVMatrix::build_() 00088 { 00089 computeMissingSizeValue(false); 00090 } 00091 00093 // get // 00095 real ConstantVMatrix::get(int i, int j) const 00096 { 00097 return constant_output; 00098 } 00099 00101 // getSubRow // 00103 void ConstantVMatrix::getSubRow(int i, int j, Vec v) const 00104 { 00105 v.fill(constant_output); 00106 } 00107 00109 // makeDeepCopyFromShallowCopy // 00111 void ConstantVMatrix::makeDeepCopyFromShallowCopy(CopiesMap& copies) 00112 { 00113 inherited::makeDeepCopyFromShallowCopy(copies); 00114 } 00115 00116 } // end of namespace PLearn 00117 00118 00119 /* 00120 Local Variables: 00121 mode:c++ 00122 c-basic-offset:4 00123 c-file-style:"stroustrup" 00124 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00125 indent-tabs-mode:nil 00126 fill-column:79 00127 End: 00128 */ 00129 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :