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2008-01-08 08:31:58 +00:00
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/***************************************************************************
PFunction.h
Author: Andreas Suter
e-mail: andreas.suter@psi.ch
$Id$
***************************************************************************/
/***************************************************************************
* Copyright (C) 2007 by Andreas Suter *
* andreas.suter@psi.c *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef _PFUNCTION_H_
#define _PFUNCTION_H_
#include <vector>
#include <boost/spirit/tree/ast.hpp>
using namespace boost::spirit;
#include <TString.h>
#include "PFunctionGrammar.h"
//----------------------------------------------------------------------------
#define OP_ADD 0
#define OP_SUB 1
#define OP_MUL 2
#define OP_DIV 3
#define FUN_COS 0
#define FUN_SIN 1
#define FUN_TAN 2
#define FUN_COSH 3
#define FUN_SINH 4
#define FUN_TANH 5
#define FUN_ACOS 6
#define FUN_ASIN 7
#define FUN_ATAN 8
#define FUN_ACOSH 9
#define FUN_ASINH 10
#define FUN_ATANH 11
#define FUN_LOG 12
#define FUN_LN 13
#define FUN_EXP 14
//----------------------------------------------------------------------------
typedef struct func_tree_node {
int fID; ///< tag showing what tree element this is
int fOperatorTag; ///< tag for '+', '-', '*', '/'
int fFunctionTag; ///< tag got "cos", "sin", ...
int fIvalue; ///< for parameter numbers and maps
double fDvalue; ///< for numbers
vector<func_tree_node> children; ///< holding sub-tree
} PFuncTreeNode;
//----------------------------------------------------------------------------
class PFunction {
public:
PFunction(tree_parse_info<> info);
virtual ~PFunction();
virtual bool IsValid() { return fValid; }
virtual int GetFuncNo() { return fFuncNo; }
virtual bool CheckMapAndParamRange(unsigned int mapSize, unsigned int paramSize);
virtual double Eval(vector<double> param);
virtual void SetMap(vector<int> map) { fMap = map; }
virtual TString* GetFuncString() { return &fFuncString; }
protected:
virtual bool SetFuncNo();
virtual bool FindAndCheckMapAndParamRange(PFuncTreeNode &node, unsigned int mapSize, unsigned int paramSize);
virtual bool GenerateFuncEvalTree();
virtual void FillFuncEvalTree(iter_t const& i, PFuncTreeNode &node);
virtual double EvalNode(PFuncTreeNode &node);
virtual void CleanupFuncEvalTree();
virtual void CleanupNode(PFuncTreeNode &node);
private:
tree_parse_info<> fInfo;
vector<double> fParam;
vector<int> fMap;
PFuncTreeNode fFunc;
bool fValid; ///< flag showing if the function is valid
int fFuncNo; ///< function number, i.e. FUNx with x the function number
virtual void EvalTreeForString(tree_parse_info<> info);
virtual void EvalTreeForStringExpression(iter_t const& i);
TString fFuncString; ///< clear text representation of the function
};
#endif // _PFUNCTION_H_