PMesh.h

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/* Copyright (C) 2007-2019 GSI Helmholtzzentrum fuer Schwerionenforschung, Darmstadt
   SPDX-License-Identifier: GPL-3.0-only
   Authors: I. Froehlich, Florian Uhlig [committer] */
 
// Linear Mesh
 
#ifndef _PMESH_H_
#define _PMESH_H_
 
#include "TF1.h"
#include "TObject.h"
 
class PMesh : public TF1 {
 
private:
  Double_t* td;
  Double_t max, min;
  Int_t size;
 
public:
  //constructor
  PMesh(Int_t size, const Char_t* name);
  ~PMesh();
 
  Int_t GetSize(void) { return size; };  //meshsize
  void SetMax(Double_t pmax)
  {
    max   = pmax;
    fXmax = pmax;
  };
  void SetMin(Double_t pmin)
  {
    min   = pmin;
    fXmin = pmin;
  };
  Double_t GetMax(void) { return max; };
  Double_t GetMin(void) { return min; };
 
  void SetNode(Int_t node, Double_t v);
  Double_t GetNode(Int_t node);
 
  Double_t GetLinearIP(Double_t m) const;
  void Print(const Option_t*) const;
 
  Double_t Eval(Double_t x, Double_t y = 0, Double_t z = 0, Double_t t = 0) const;
  Double_t EvalPar(const Double_t* x, const Double_t* params);
  //TF1 wrapper
 
  ClassDef(PMesh, 0)  //The linear mesh array
};
 
#endif