75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// eoGenericBinOp.h
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// (c) GeNeura Team, 2000 - EEAAX 1999 - Maarten Keijzer 2000
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/*
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Contact: todos@geneura.ugr.es, http://geneura.ugr.es
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Marc.Schoenauer@polytechnique.fr
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mak@dhi.dk
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*/
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//-----------------------------------------------------------------------------
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#ifndef _eoGenericBinOp_h
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#define _eoGenericBinOp_h
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#include <eoOp.h>
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/** Contains base classes for generic binary operators for eoFixedLength
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and eoVariableLength (They also derive from the eoOp) as well as
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the corresponding converters to actual Ops.
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*/
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/** eoGenericBinOp is the generic binary operator:
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it takes two arguments, modifies the first one, and returns a boolean
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indicating if the argument has actually been modified
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*/
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template <class EOT>
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class eoGenericBinOp: public eoOp<EOT>, public eoBF<EOT &, const EOT &, bool>
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{
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public:
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/// Ctor
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eoGenericBinOp()
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: eoOp<EOT>( eoOp<EOT>::binary ) {};
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virtual string className() const {return "eoGenericBinOp";};
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};
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/** Converter from eoGenericBinOp to eoBinOp
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the only thinig to do is to transform the boolean into invalidation
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*/
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template <class EOT>
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class eoGeneric2TrueBinOp: public eoBinOp<EOT>
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{
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public:
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/// Ctor
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eoGeneric2TrueBinOp(eoGenericBinOp<EOT> & _binOp)
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: binOp( _binOp ) {};
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virtual string className() const {return "eoGeneric2TrueBinOp";}
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virtual void operator()(EOT & _eo1, const EOT & _eo2)
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{
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if (binOp(_eo1, _eo2))
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_eo1.invalidate();
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}
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private:
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eoGenericBinOp<EOT> & binOp;
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};
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#endif
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