PLearn 0.1
Var.h
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00001 // -*- C++ -*-
00002 
00003 // PLearn (A C++ Machine Learning Library)
00004 // Copyright (C) 1998 Pascal Vincent
00005 // Copyright (C) 1999-2002 Pascal Vincent, Yoshua Bengio and University of Montreal
00006 //
00007 
00008 // Redistribution and use in source and binary forms, with or without
00009 // modification, are permitted provided that the following conditions are met:
00010 // 
00011 //  1. Redistributions of source code must retain the above copyright
00012 //     notice, this list of conditions and the following disclaimer.
00013 // 
00014 //  2. Redistributions in binary form must reproduce the above copyright
00015 //     notice, this list of conditions and the following disclaimer in the
00016 //     documentation and/or other materials provided with the distribution.
00017 // 
00018 //  3. The name of the authors may not be used to endorse or promote
00019 //     products derived from this software without specific prior written
00020 //     permission.
00021 // 
00022 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
00023 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00024 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
00025 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00026 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00027 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00028 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00029 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00030 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00031 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00032 // 
00033 // This file is part of the PLearn library. For more information on the PLearn
00034 // library, go to the PLearn Web site at www.plearn.org
00035 
00036 
00037  
00038 
00039 /* *******************************************************      
00040  * $Id: Var.h 8247 2007-11-12 20:22:12Z nouiz $
00041  * This file is part of the PLearn library.
00042  ******************************************************* */
00043 
00044 
00047 #ifndef Var_INC
00048 #define Var_INC
00049 
00050 #include "Variable.h"
00051 
00052 namespace PLearn {
00053 using namespace std;
00054 
00055 
00056 inline ostream& operator<<(ostream& out, const Var& v)
00057 {
00058     string name=v->getName();
00059     if (name != "")
00060         cout<<name<<endl;
00061     if (v->width()==1)
00062         out << v->value;
00063     else
00064         out << v->matValue;
00065     return out;
00066 }
00067 
00068 
00069 inline Var var(real init_value) { Var v(1); v=init_value; return v; }
00070 
00071 
00073 template <> 
00074 inline void deepCopyField(Var& field, CopiesMap& copies)
00075 {
00076     PLWARNING(
00077         "In Var.h - You called deepCopyField on a Var, but this is known to sometimes "
00078         "cause bugs in optimized mode. Use varDeepCopyField instead! "
00079         "This warning may also appear when using a TVec<Var>, in this case, just switch "
00080         "to a VarArray."
00081         );
00082     if (field)
00083         field = field->deepCopy(copies);
00084 }
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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