LibraryBanner.h

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#pragma once
#include <iostream>
#include <string>
 
namespace PDFxTMD
{
class LibraryBanner
{
  public:
    static LibraryBanner &Instance()
    {
        static LibraryBanner instance;
        return instance;
    }
 
    LibraryBanner(const LibraryBanner &) = delete;
    LibraryBanner &operator=(const LibraryBanner &) = delete;
 
  private:
    LibraryBanner()
    {
        printBanner();
    }
 
    void printBanner() const
    {
        std::string banner = R"(
============================================================
          Welcome to the PDFxTMDLib Library
============================================================
Please cite the following paper when using this library:
 
Title: PDFxTMDLib: A High-Performance C++ Library for Collinear and Transverse Momentum Dependent Parton Distribution Functions
Authors: R. Kord Valeshabadi, S. Rezaie
Source: https://arxiv.org/abs/2412.16680
 
Thank you for using our library!
============================================================
        )";
        std::cout << banner << std::endl;
    }
};
} // namespace PDFxTMD