PLearn 0.1
Ker_VMat_utils.h
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00001 // -*- C++ -*-
00002 
00003 // Ker_VMat_utils.h
00004 //
00005 // Copyright (C) 2004 Pascal Vincent 
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: Ker_VMat_utils.h 3994 2005-08-25 13:35:03Z chapados $ 
00037  ******************************************************* */
00038 
00039 // Authors: Pascal Vincent
00040 
00044 #ifndef Ker_VMat_utils_INC
00045 #define Ker_VMat_utils_INC
00046 
00047 // Put includes here
00048 //#include <pair>
00049 #include <plearn/math/TVec.h>
00050 
00051 namespace PLearn {
00052 using namespace std;
00053 
00054 class Ker;
00055 class VMat;
00056 
00067 void evaluateKernel(Ker ker, VMat vm, int v1_startcol, int v1_ncols, 
00068                     const Vec& v2, const Vec& result, int startrow=0, int nrows=-1);
00069 
00071 real evaluateKernelSum(Ker ker, VMat vm, int v1_startcol, int v1_ncols, 
00072                        const Vec& v2, int startrow=0, int nrows=-1, int ignore_this_row=-1);
00073 
00076 real evaluateKernelWeightedTargetSum(Ker ker, VMat vm, int v1_startcol, int v1_ncols, const Vec& v2, 
00077                                      int t_startcol, int t_ncols, Vec& targetsum, int startrow=0, int nrows=-1, int ignore_this_row=-1);
00078   
00079    
00084 TVec< pair<real,int> > evaluateKernelTopN(int N, Ker ker, VMat vm, int v1_startcol, int v1_ncols, 
00085                                           const Vec& v2, int startrow=0, int nrows=-1, int ignore_this_row=-1);
00086 
00089 TVec< pair<real,int> > evaluateKernelBottomN(int N, Ker ker, VMat vm, int v1_startcol, int v1_ncols, 
00090                                              const Vec& v2, int startrow=0, int nrows=-1, int ignore_this_row=-1);
00091 
00092 
00093 
00094 } // end of namespace PLearn
00095 
00096 #endif
00097 
00098 
00099 /*
00100   Local Variables:
00101   mode:c++
00102   c-basic-offset:4
00103   c-file-style:"stroustrup"
00104   c-file-offsets:((innamespace . 0)(inline-open . 0))
00105   indent-tabs-mode:nil
00106   fill-column:79
00107   End:
00108 */
00109 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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