PLearn 0.1
Var_operators.h
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00001 
00002 // -*- C++ -*-
00003 
00004 // PLearn (A C++ Machine Learning Library)
00005 // Copyright (C) 1998 Pascal Vincent
00006 // Copyright (C) 1999-2002 Pascal Vincent, Yoshua Bengio, Rejean Ducharme and University of Montreal
00007 // Copyright (C) 2001-2002 Nicolas Chapados, Ichiro Takeuchi, Jean-Sebastien Senecal
00008 // Copyright (C) 2002 Xiangdong Wang, Christian Dorion
00009 
00010 // Redistribution and use in source and binary forms, with or without
00011 // modification, are permitted provided that the following conditions are met:
00012 // 
00013 //  1. Redistributions of source code must retain the above copyright
00014 //     notice, this list of conditions and the following disclaimer.
00015 // 
00016 //  2. Redistributions in binary form must reproduce the above copyright
00017 //     notice, this list of conditions and the following disclaimer in the
00018 //     documentation and/or other materials provided with the distribution.
00019 // 
00020 //  3. The name of the authors may not be used to endorse or promote
00021 //     products derived from this software without specific prior written
00022 //     permission.
00023 // 
00024 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
00025 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00026 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
00027 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00028 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00029 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00030 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00031 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00032 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00033 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00034 // 
00035 // This file is part of the PLearn library. For more information on the PLearn
00036 // library, go to the PLearn Web site at www.plearn.org
00037 
00038 
00039 /* *******************************************************      
00040  * $Id: Var_operators.h 9099 2008-06-03 21:58:54Z plearner $
00041  * This file is part of the PLearn library.
00042  ******************************************************* */
00043 
00044 #ifndef Var_operators_INC
00045 #define Var_operators_INC
00046 
00047 #include "Var.h"
00048 #include "NegateElementsVariable.h"
00049 #include "TimesConstantVariable.h"
00050 
00051 namespace PLearn {
00052 using namespace std;
00053 
00054 Var operator+(Var v, real cte);
00055 Var operator+(real cte, Var v);
00056 Var operator+(Var v1, Var v2);
00057 void operator+=(Var& v1, const Var& v2);
00058 
00059 // Unary operator- is obtained through 
00060 // inclusion of NegateElementsVariable.h
00061 
00062 // Binary operator-
00063 Var operator-(Var v, real cte);
00064 Var operator-(real cte, Var v);
00065 Var operator-(Var v1, Var v2);
00066 void operator-=(Var& v1, const Var& v2);
00067 
00068 // Elementwise multiplications with real constant 
00069 // are obtained from including TimesConstantVariable.h
00070   
00071 // Var * Var elementwise multiplication:
00072 Var operator*(Var v1, Var v2);
00073 
00074 // elementwise divisions
00075 // elementwise division by a real constant 
00076 // is obtained from including TimesConstantVariable.h  
00077 // Other elementwise divisions:
00078 Var operator/(real cte, Var v);
00079 Var operator/(Var v1, Var v2);
00080 
00081 
00082 Var operator==(Var v1, Var v2);
00083 Var operator!=(Var v1, Var v2);
00084 Var isdifferent(Var v1, Var v2);
00085 
00086 } // end of namespace PLearn
00087 
00088 #endif 
00089 
00090 
00091 /*
00092   Local Variables:
00093   mode:c++
00094   c-basic-offset:4
00095   c-file-style:"stroustrup"
00096   c-file-offsets:((innamespace . 0)(inline-open . 0))
00097   indent-tabs-mode:nil
00098   fill-column:79
00099   End:
00100 */
00101 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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