Andreas Suter
7b6180a688
obtained from the data files. Currently the following meta information can be accessed
if available:
field in (G): B or b
energy in (keV): En or en
temperature in (K): since some data files contain a vector of temperature, they have
to be accessed with an index, like T0 or t0, etc.
133 lines
5.0 KiB
C++
133 lines
5.0 KiB
C++
/***************************************************************************
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PFunction.h
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Author: Andreas Suter
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e-mail: andreas.suter@psi.ch
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***************************************************************************/
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/***************************************************************************
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* Copyright (C) 2007-2020 by Andreas Suter *
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* andreas.suter@psi.ch *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program 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 *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifndef _PFUNCTION_H_
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#define _PFUNCTION_H_
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#include <vector>
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#include <boost/version.hpp>
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#if BOOST_VERSION >= 103800
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# include <boost/spirit/include/classic_ast.hpp>
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using namespace BOOST_SPIRIT_CLASSIC_NS;
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#else
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# include <boost/spirit/tree/ast.hpp>
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using namespace boost::spirit;
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#endif
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#include <TString.h>
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#include "PMusr.h"
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#include "PFunctionGrammar.h"
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//----------------------------------------------------------------------------
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#define OP_ADD 0
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#define OP_SUB 1
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#define OP_MUL 2
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#define OP_DIV 3
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#define FUN_COS 0
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#define FUN_SIN 1
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#define FUN_TAN 2
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#define FUN_COSH 3
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#define FUN_SINH 4
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#define FUN_TANH 5
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#define FUN_ACOS 6
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#define FUN_ASIN 7
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#define FUN_ATAN 8
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#define FUN_ACOSH 9
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#define FUN_ASINH 10
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#define FUN_ATANH 11
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#define FUN_LOG 12
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#define FUN_LN 13
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#define FUN_EXP 14
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#define FUN_SQRT 15
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#define FUN_POW 16
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//----------------------------------------------------------------------------
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/**
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* <p>Structure needed to evaluate a function tree (see FUNCTIONS block of an msr-file).
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*/
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typedef struct func_tree_node {
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Int_t fID; ///< tag showing what tree element this is
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Int_t fOperatorTag; ///< tag for '+', '-', '*', '/'
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Int_t fFunctionTag; ///< tag got "cos", "sin", ...
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Int_t fIvalue; ///< for parameter numbers and maps
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Bool_t fSign; ///< for sign, true means '-', false '+'
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Double_t fDvalue; ///< for numbers
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std::vector<func_tree_node> children; ///< holding sub-tree
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} PFuncTreeNode;
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//----------------------------------------------------------------------------
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/**
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* <p>Class handling a function from the msr-file FUNCTIONS block.
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*/
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class PFunction {
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public:
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PFunction(tree_parse_info<> info);
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virtual ~PFunction();
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virtual Bool_t IsValid() { return fValid; }
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virtual Int_t GetFuncNo() { return fFuncNo; }
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virtual Bool_t CheckMapAndParamRange(UInt_t mapSize, UInt_t paramSize);
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virtual Double_t Eval(std::vector<Double_t> param, PMetaData metaData);
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virtual void SetMap(std::vector<Int_t> map) { fMap = map; }
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virtual TString* GetFuncString() { return &fFuncString; }
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protected:
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virtual void InitNode(PFuncTreeNode &node);
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virtual Bool_t SetFuncNo();
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virtual Bool_t FindAndCheckMapAndParamRange(PFuncTreeNode &node, UInt_t mapSize, UInt_t paramSize);
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virtual Bool_t GenerateFuncEvalTree();
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virtual void FillFuncEvalTree(iter_t const& i, PFuncTreeNode &node);
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virtual Double_t EvalNode(PFuncTreeNode &node);
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virtual void CleanupFuncEvalTree();
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virtual void CleanupNode(PFuncTreeNode &node);
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private:
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tree_parse_info<> fInfo; ///< AST parse tree holding a single parsed msr-function in an ascii representation
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std::vector<Double_t> fParam; ///< parameter vector (from the msr-file Fit Parameter block)
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std::vector<Int_t> fMap; ///< map vector
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PFuncTreeNode fFunc;
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Bool_t fValid; ///< flag showing if the function is valid
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Int_t fFuncNo; ///< function number, i.e. FUNx with x the function number
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virtual void EvalTreeForString(tree_parse_info<> info);
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virtual void EvalTreeForStringExpression(iter_t const& i);
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TString fFuncString; ///< clear text representation of the function
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PMetaData fMetaData; ///< keeps meta data from data files (field, energy, temperature, ...)
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};
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#endif // _PFUNCTION_H_
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