PLearn 0.1
|
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: SortRowsVMatrix.h 8801 2008-04-11 19:13:48Z tihocan $ 00037 ******************************************************* */ 00038 00039 00042 #ifndef SortRowsVMatrix_INC 00043 #define SortRowsVMatrix_INC 00044 00045 #include "SelectRowsVMatrix.h" 00046 00047 namespace PLearn { 00048 using namespace std; 00049 00052 class SortRowsVMatrix: public SelectRowsVMatrix 00053 { 00054 00055 private: 00056 00057 typedef SelectRowsVMatrix inherited; 00058 00059 public: 00060 00062 bool ignore_missing_fields; 00063 bool increasing_order; 00064 TVec<int> sort_columns; 00065 TVec<string> sort_columns_by_name; 00066 00067 public: 00068 00069 SortRowsVMatrix(); 00070 00071 PLEARN_DECLARE_OBJECT(SortRowsVMatrix); 00072 00073 00074 virtual void build(); 00075 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00076 00077 protected: 00078 00079 static void declareOptions(OptionList &ol); 00080 00081 private: 00082 00083 void build_(); 00084 00089 static void sortRows( 00090 VMat& m, TVec<int>& indices, TVec<int>& sort_columns, 00091 int istart, int iend, int colstart, bool increasing_order); 00092 00093 }; 00094 00095 DECLARE_OBJECT_PTR(SortRowsVMatrix); 00096 00097 } // end of namespace PLearn 00098 #endif 00099 00100 00101 /* 00102 Local Variables: 00103 mode:c++ 00104 c-basic-offset:4 00105 c-file-style:"stroustrup" 00106 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00107 indent-tabs-mode:nil 00108 fill-column:79 00109 End: 00110 */ 00111 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :