PLearn 0.1
TimesConstantScalarVariable2.h
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00001 // -*- C++ -*-
00002 
00003 // TimesConstantScalarVariable2.h
00004 //
00005 // Copyright (C) 2007 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 /* *******************************************************      
00037  * $Id: TimesConstantScalarVariable2.h 3994 2005-08-25 13:35:03Z chapados $
00038  * This file is part of the PLearn library.
00039  ******************************************************* */
00040 
00041 #ifndef TimesConstantScalarVariable2_INC
00042 #define TimesConstantScalarVariable2_INC
00043 
00044 #include <plearn/var/BinaryVariable.h>
00045 
00046 namespace PLearn {
00047 using namespace std;
00048 
00049 
00051 class TimesConstantScalarVariable2: public BinaryVariable
00052 {
00053     typedef BinaryVariable inherited;
00054 
00055 public:
00057     TimesConstantScalarVariable2() {}
00058     TimesConstantScalarVariable2(Variable* input1, Variable* input2);
00059 
00060     PLEARN_DECLARE_OBJECT(TimesConstantScalarVariable2);
00061 
00062     virtual void build();
00063 
00064     virtual void recomputeSize(int& l, int& w) const;
00065     virtual void fprop();
00066     virtual void bprop();
00067     virtual void symbolicBprop();
00068     virtual void rfprop();
00069 
00070 protected:
00071     void build_();
00072 };
00073 
00074 DECLARE_OBJECT_PTR(TimesConstantScalarVariable2);
00075 
00076 inline Var timesConstantScalar2(Var v, Var scalar) {
00077     return new TimesConstantScalarVariable2(v, scalar);
00078 }
00079 
00080 
00081 } // end of namespace PLearn
00082 
00083 #endif 
00084 
00085 
00086 /*
00087   Local Variables:
00088   mode:c++
00089   c-basic-offset:4
00090   c-file-style:"stroustrup"
00091   c-file-offsets:((innamespace . 0)(inline-open . 0))
00092   indent-tabs-mode:nil
00093   fill-column:79
00094   End:
00095 */
00096 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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