Utilities.hh

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/* General computational utility functions */
/* Tim Gray - timothy.gray@anu.edu.au */
 
#ifndef GAMR_UTILS_UTILITIES_HH
#define GAMR_UTILS_UTILITIES_HH
 
#include <string>
#include <fstream>
#include <complex>
 
#include <TCanvas.h>
#include <TH1.h>
#include <TH2.h>
#include <TGraph.h>
 
namespace GamR {

  namespace Utils {
    double Fac10(int n);
    //void GetClick(TVirtualPad *canvas);
 
    class Clicker {
      public:
        void GetClick(Int_t,Int_t,Int_t,TObject*);
        void GetDrawClick(Int_t,Int_t,Int_t,TObject*);
        int GetClicks(TVirtualPad *canvas, int n, std::vector<std::string> &messages, int draw=0, int print=0);
        int px, py;
        double cx, cy;
        bool waiting=false;
        TGraph *line;
        std::vector<double> xs;
        std::vector<double> ys;
    };
 
    TH1D *GetHist1D(TVirtualPad *canvas);
    std::vector<TH1D*> GetHists1D(TVirtualPad *canvas);
    TH2D *GetHist2D(TVirtualPad *canvas);
    int wrresult(char *out, float value, float err, int minlen);
    std::string wrresult(double value, double err);
    // Routine to convert a C++ string into a fortran character array. Don't forget to delete memory after use.
        char *c_to_f_str(std::string strin);
    //This computes the Simpson's-rule integral cross an array of values
        double Simps(double *y, int n, double dx);
    //This computes the Simpson's-rule integral across an array of tensors
        std::complex<double> **Simps(std::complex<double> ***rho, int n, double dx);
    std::string getline(std::ifstream &f);
        int catcherr(std::string inp, double &val, bool require_positive = true);
    int catcherr(std::string inp, float &val, bool require_positive = true);
    int catcherr(std::string inp, int &val, bool require_positive = true);
    int GetInput(std::string prompt, double &val, bool require_positive = true);
    int GetInput(std::string prompt, float &val, bool require_positive = true);
    int GetInput(std::string prompt, int &val, bool require_positive = true);
    int GetNPads(TVirtualPad *pad);
 
  } // namespace Utils
} // namespace GamR
 
#endif