410 lines
17 KiB
C++
410 lines
17 KiB
C++
/***************************************************************************
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PMsrHandler.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) 2007-2025 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 _PMSRHANDLER_H_
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#define _PMSRHANDLER_H_
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#include <string>
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#include <memory>
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#include <sstream>
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#include <string>
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#include <TString.h>
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#include <TComplex.h>
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#include "PMusr.h"
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#include "PFunctionHandler.h"
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#include "PFunctionGrammar.h"
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#include "PFunction.h"
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//-------------------------------------------------------------
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/**
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* <p>MSR file parser and manager for musrfit framework.
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*
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* <p>This class handles all MSR (Muon Spin Rotation) file operations including:
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* - Reading and parsing MSR files
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* - Writing MSR files and log files
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* - Validating MSR file content (parameter ranges, theory consistency, etc.)
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* - Managing fit parameters, theory definitions, run configurations
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* - Evaluating user-defined functions
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* - Handling parameter mapping between runs
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*
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* <p>The PMsrHandler performs comprehensive validation during parsing, checking for:
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* - Parameter name uniqueness
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* - Valid theory-to-parameter mappings
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* - Histogram grouping consistency
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* - RRF (Rotating Reference Frame) settings
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* - Function syntax and parameter usage
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*
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* <p><b>Usage pattern:</b>
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* @code
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* PMsrHandler handler("myfile.msr");
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* if (handler.ReadMsrFile() == PMUSR_SUCCESS) {
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* PMsrParamList *params = handler.GetMsrParamList();
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* // Process parameters, run fits, etc.
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* handler.WriteMsrFile("output.msr");
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* }
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* @endcode
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*/
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class PMsrHandler
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{
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public:
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/**
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* <p>Constructor for PMsrHandler.
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*
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* @param fileName Path to MSR file to read/write
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* @param startupOptions Optional startup configuration (from musrfit_startup.xml)
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* @param fourierOnly If true, only parse Fourier-related blocks (for musrFT)
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*/
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PMsrHandler(const Char_t *fileName, PStartupOptions *startupOptions=0, const Bool_t fourierOnly=false);
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virtual ~PMsrHandler();
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/**
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* <p>Reads and parses the MSR file.
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*
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* <p>Performs comprehensive parsing of all MSR file blocks including
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* TITLE, FITPARAMETER, THEORY, FUNCTIONS, GLOBAL, RUN, COMMANDS,
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* FOURIER, PLOT, and STATISTIC blocks. Validates consistency and
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* reports detailed error messages on failure.
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*
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* @return PMUSR_SUCCESS on success, negative error code on failure
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*
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* @see PMUSR_MSR_FILE_NOT_FOUND
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* @see PMUSR_MSR_SYNTAX_ERROR
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*/
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virtual Int_t ReadMsrFile();
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/**
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* <p>Writes a log file with MSR file content and parsing information.
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*
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* <p>Creates a .mlog file containing the parsed MSR structure,
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* useful for debugging and verifying parameter interpretation.
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*
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* @param messages If true, includes informational messages in log
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* @return PMUSR_SUCCESS on success, negative error code on failure
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*/
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virtual Int_t WriteMsrLogFile(const Bool_t messages = true);
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/**
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* <p>Writes MSR file with updated parameters and results.
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*
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* <p>Writes a complete MSR file, optionally preserving user comments
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* from specific blocks. Typically called after fitting to save
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* fitted parameters and statistics.
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*
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* @param filename Output MSR file path
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* @param commentsPAR Optional comments for FITPARAMETER block (line number → comment)
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* @param commentsTHE Optional comments for THEORY block
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* @param commentsFUN Optional comments for FUNCTIONS block
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* @param commentsRUN Optional comments for RUN block
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* @return PMUSR_SUCCESS on success, negative error code on failure
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*/
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virtual Int_t WriteMsrFile(const Char_t *filename, std::map<UInt_t, TString> *commentsPAR = 0, std::map<UInt_t, TString> *commentsTHE = 0, \
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std::map<UInt_t, TString> *commentsFUN = 0, std::map<UInt_t, TString> *commentsRUN = 0);
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/// Returns pointer to MSR file title string
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virtual TString* GetMsrTitle() { return &fTitle; }
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/// Returns pointer to fit parameter list
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virtual PMsrParamList* GetMsrParamList() { return &fParam; }
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/// Returns pointer to THEORY block lines
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virtual PMsrLines* GetMsrTheory() { return &fTheory; }
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/// Returns pointer to FUNCTIONS block lines
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virtual PMsrLines* GetMsrFunctions() { return &fFunctions; }
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/// Returns pointer to GLOBAL block settings
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virtual PMsrGlobalBlock* GetMsrGlobal() { return &fGlobal; }
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/// Returns pointer to list of RUN blocks
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virtual PMsrRunList* GetMsrRunList() { return &fRuns; }
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/// Returns pointer to COMMANDS block lines
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virtual PMsrLines* GetMsrCommands() { return &fCommands; }
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/// Returns pointer to FOURIER block settings
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virtual PMsrFourierStructure* GetMsrFourierList() { return &fFourier; }
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/// Returns pointer to list of PLOT blocks
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virtual PMsrPlotList* GetMsrPlotList() { return &fPlots; }
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/// Returns pointer to STATISTIC block
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virtual PMsrStatisticStructure* GetMsrStatistic() { return &fStatistic; }
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/// Returns pointer to MSR file directory path
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virtual TString* GetMsrFileDirectoryPath() { return &fMsrFileDirectoryPath; }
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/// Returns the number of RUN blocks in MSR file
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virtual UInt_t GetNoOfRuns() { return fRuns.size(); }
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/// Returns the number of fit parameters in FITPARAMETER block
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virtual UInt_t GetNoOfParams() { return fParam.size(); }
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/// Returns the MSR file name
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virtual const TString& GetFileName() const { return fFileName; }
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/// Sets the MSR file title
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/// @param title New title string
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virtual void SetMsrTitle(const TString &title) { fTitle = title; }
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/**
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* <p>Sets the value of a fit parameter.
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*
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* @param i Parameter index (0-based)
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* @param value New parameter value
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* @return true on success, false if index out of range
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*/
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virtual Bool_t SetMsrParamValue(UInt_t i, Double_t value);
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/**
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* <p>Sets the step size (or error) of a fit parameter.
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*
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* @param i Parameter index (0-based)
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* @param value New step/error value
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* @return true on success, false if index out of range
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*/
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virtual Bool_t SetMsrParamStep(UInt_t i, Double_t value);
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/**
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* <p>Sets whether positive error is present for a parameter.
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*
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* @param i Parameter index (0-based)
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* @param value True if positive error is defined
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* @return true on success, false if index out of range
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*/
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virtual Bool_t SetMsrParamPosErrorPresent(UInt_t i, Bool_t value);
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/**
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* <p>Sets the positive error value for a parameter (asymmetric errors).
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*
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* @param i Parameter index (0-based)
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* @param value Positive error value
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* @return true on success, false if index out of range
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*/
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virtual Bool_t SetMsrParamPosError(UInt_t i, Double_t value);
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/**
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* <p>Sets a time-zero bin entry for a specific run.
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*
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* @param runNo Run block number (0-based)
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* @param idx Histogram index within t0 list
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* @param bin Time-zero bin value
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*/
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virtual void SetMsrT0Entry(UInt_t runNo, UInt_t idx, Double_t bin);
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/**
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* <p>Sets a time-zero bin for an addrun histogram.
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*
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* @param runNo Run block number (0-based)
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* @param addRunIdx Index of addrun entry
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* @param histoIdx Histogram index within addrun
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* @param bin Time-zero bin value
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*/
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virtual void SetMsrAddT0Entry(UInt_t runNo, UInt_t addRunIdx, UInt_t histoIdx, Double_t bin);
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/**
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* <p>Sets a data range bin entry for a specific run.
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*
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* @param runNo Run block number (0-based)
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* @param idx Data range index (0=start, 1=end, etc.)
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* @param bin Data range bin value
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*/
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virtual void SetMsrDataRangeEntry(UInt_t runNo, UInt_t idx, Int_t bin);
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/**
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* <p>Sets a background range bin entry for a specific run.
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*
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* @param runNo Run block number (0-based)
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* @param idx Background range index (0=start, 1=end, etc.)
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* @param bin Background range bin value
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*/
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virtual void SetMsrBkgRangeEntry(UInt_t runNo, UInt_t idx, Int_t bin);
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/// Flags that STATISTIC block should be copied as-is (for musrt0)
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virtual void CopyMsrStatisticBlock() { fCopyStatisticsBlock = true; }
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/// Sets whether fit converged in STATISTIC block
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/// @param converged True if fit converged successfully
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virtual void SetMsrStatisticConverged(Bool_t converged) { fStatistic.fValid = converged; }
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/// Sets the minimum χ² (or max likelihood) in STATISTIC block
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/// @param min Minimum value
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virtual void SetMsrStatisticMin(Double_t min) { fStatistic.fMin = min; }
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/// Sets the number of degrees of freedom in STATISTIC block
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/// @param ndf Degrees of freedom
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virtual void SetMsrStatisticNdf(UInt_t ndf) { fStatistic.fNdf = ndf; }
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/// Returns the number of user-defined functions in FUNCTIONS block
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virtual Int_t GetNoOfFuncs() { return fFuncHandler->GetNoOfFuncs(); }
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/**
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* <p>Gets function number by index.
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*
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* @param idx Function index (0-based)
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* @return Function number as defined in FUNCTIONS block
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*/
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virtual UInt_t GetFuncNo(Int_t idx) { return fFuncHandler->GetFuncNo(idx); }
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/**
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* <p>Gets function index from function number.
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*
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* @param funNo Function number
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* @return Function index (0-based)
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*/
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virtual UInt_t GetFuncIndex(Int_t funNo) { return fFuncHandler->GetFuncIndex(funNo); }
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/**
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* <p>Checks if map and parameter ranges are valid for functions.
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*
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* @param mapSize Size of map vector
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* @param paramSize Number of available parameters
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* @return true if ranges are valid
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*/
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virtual Bool_t CheckMapAndParamRange(UInt_t mapSize, UInt_t paramSize)
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{ return fFuncHandler->CheckMapAndParamRange(mapSize, paramSize); }
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/**
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* <p>Evaluates a user-defined function.
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*
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* @param i Function index
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* @param map Parameter mapping vector
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* @param param Parameter value vector
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* @param metaData Experimental metadata (field, temperature, etc.)
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* @return Evaluated function value
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*/
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virtual Double_t EvalFunc(UInt_t i, std::vector<Int_t> map, std::vector<Double_t> param, PMetaData metaData)
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{ return fFuncHandler->Eval(i, map, param, metaData); }
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/**
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* <p>Gets the number of fit parameters used in a specific theory line.
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*
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* @param idx Theory line index
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* @return Number of parameters used
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*/
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virtual UInt_t GetNoOfFitParameters(UInt_t idx);
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/**
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* <p>Checks if a parameter is used in theory or functions.
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*
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* @param paramNo Parameter number (1-based as in MSR file)
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* @return 1 if used, 0 if unused, -1 on error
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*/
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virtual Int_t ParameterInUse(UInt_t paramNo);
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/**
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* <p>Generates a grouping string for histogram display.
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*
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* @param runNo Run block number
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* @param detector Detector identifier ("forward" or "backward")
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* @param groupingStr Output grouping string
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*/
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virtual void GetGroupingString(Int_t runNo, TString detector, TString &groupingStr);
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/**
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* <p>Estimates N0 parameter for single histogram fits.
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*
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* <p>Uses data amplitude at t=0 to provide initial N0 estimate,
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* improving fit convergence for single histogram fits.
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*
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* @return true on success
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*/
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virtual Bool_t EstimateN0();
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/// Returns the last error message as a string
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/// @return Error message string
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virtual std::string GetLastErrorMsg() { return fLastErrorMsg.str(); }
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virtual std::string GetDKSTheoryString();
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virtual UInt_t GetDKSTag();
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virtual Int_t GetNoOfMaps() { return fNoOfMaps; }
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private:
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Bool_t fFourierOnly; ///< flag indicating if Fourier transform only is wished. If yes, some part of the msr-file blocks are not needed.
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PStartupOptions *fStartupOptions; ///< contains information about startup options from the musrfit_startup.xml
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TString fFileName; ///< file name of the msr-file
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TString fMsrFileDirectoryPath; ///< msr-file directory path
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TString fTitle; ///< holds the title string of the msr-file
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PMsrParamList fParam; ///< holds a list of the fit parameters
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PMsrLines fTheory; ///< holds the theory definition
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PMsrLines fFunctions; ///< holds the user defined functions
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PMsrGlobalBlock fGlobal; ///< holds the information of the global section
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PMsrRunList fRuns; ///< holds a list of run information
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PMsrLines fCommands; ///< holds a list of the minuit commands
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PMsrFourierStructure fFourier; ///< holds the parameters used for the Fourier transform
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PMsrPlotList fPlots; ///< holds a list of the plot input parameters
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PMsrStatisticStructure fStatistic; ///< holds the statistic info
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Int_t fMsrBlockCounter; ///< used to select the proper msr-block
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std::unique_ptr<PFunctionHandler> fFuncHandler; ///< needed to parse functions
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PIntVector fParamInUse; ///< array holding the information if a particular parameter is used at all, i.e. if the theory is using it (perhaps via maps or functions)
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Bool_t fCopyStatisticsBlock; ///< flag, if true: just copy to old statistics block (musrt0), otherwise write a new one (musrfit)
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Int_t fNoOfMaps;
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std::stringstream fLastErrorMsg;
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virtual Bool_t HandleFitParameterEntry(PMsrLines &line);
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virtual Bool_t HandleTheoryEntry(PMsrLines &line);
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virtual Bool_t HandleFunctionsEntry(PMsrLines &line);
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virtual Bool_t HandleGlobalEntry(PMsrLines &line);
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virtual Bool_t HandleRunEntry(PMsrLines &line);
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virtual Bool_t HandleCommandsEntry(PMsrLines &line);
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virtual Bool_t HandleFourierEntry(PMsrLines &line);
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virtual Bool_t HandlePlotEntry(PMsrLines &line);
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virtual Bool_t HandleStatisticEntry(PMsrLines &line);
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virtual void FillParameterInUse(PMsrLines &theory, PMsrLines &funcs, PMsrLines &run);
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virtual void InitFourierParameterStructure(PMsrFourierStructure &fourier);
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virtual void RemoveComment(const TString &str, TString &truncStr);
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virtual Bool_t ParseFourierPhaseValueVector(PMsrFourierStructure &fourier, const TString &str, Bool_t &error);
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virtual Bool_t ParseFourierPhaseParVector(PMsrFourierStructure &fourier, const TString &str, Bool_t &error);
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virtual Bool_t ParseFourierPhaseParIterVector(PMsrFourierStructure &fourier, const TString &str, Bool_t &error);
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virtual Bool_t FilterNumber(TString str, const Char_t *filter, Int_t offset, Int_t &no);
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virtual UInt_t NeededPrecision(Double_t dval, UInt_t precLimit=13);
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virtual UInt_t LastSignificant(Double_t dval, UInt_t precLimit=6);
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virtual void MakeDetectorGroupingString(TString str, PIntVector &group, TString &result, Bool_t includeDetector = true);
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virtual TString BeautifyFourierPhaseParameterString();
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virtual void CheckLegacyLifetimecorrection();
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virtual Bool_t CheckRunBlockIntegrity();
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virtual Bool_t CheckUniquenessOfParamNames(UInt_t &parX, UInt_t &parY);
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virtual Bool_t CheckMaps();
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virtual Bool_t CheckFuncs();
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virtual Bool_t CheckHistoGrouping();
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virtual Bool_t CheckAddRunParameters();
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virtual Bool_t CheckRRFSettings();
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virtual Bool_t CheckRealFFT();
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virtual void CheckMaxLikelihood();
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virtual void HandleTheoryArguments(const TString theo, PStringVector &args);
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};
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#endif // _PMSRHANDLER_H_
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