FuncTerm.h

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/**********************************************************************
** This program is part of 'MOOSE', the
** Messaging Object Oriented Simulation Environment,
** also known as GENESIS 3 base code.
**           copyright (C) 2014 Upinder S. Bhalla. and NCBS
** It is made available under the terms of the
** GNU Lesser General Public License version 2.1
** See the file COPYING.LIB for the full notice.
**********************************************************************/
#ifndef _FUNC_TERM_H
#define _FUNC_TERM_H

#include "muParser.h"

class FuncTerm
{
    public:
        FuncTerm();
        ~FuncTerm();
        double operator() ( const double* S, double t ) const;
        const FuncTerm& operator=( const FuncTerm& other );

        void evalPool( double* s, double t ) const;

        void setReactantIndex( const vector< unsigned int >& mol );
        const vector< unsigned int >& getReactantIndex() const;
        const string& getExpr() const;
        void setExpr( const string& e );
        const unsigned int getTarget() const;
        void setTarget( unsigned int tgt );
        void setVolScale( double vs );
        double getVolScale() const;
    private:
        double* args_;
        // Look up reactants in the S vec.
        vector< unsigned int > reactantIndex_;
        mu::Parser parser_;
        string expr_;
        double volScale_;
        unsigned int target_; 
};

#endif // _FUNC_TERM_H