SimPDF.h

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#ifndef AMPGEN_SIMPDF_H
#define AMPGEN_SIMPDF_H
 
#include <tuple>
 
namespace AmpGen {
  class SimFit {
  public:
    SimFit() = default;
    double getVal() {
      double LL = 0;
      for(auto &pdf : m_pdfs) LL += pdf();
      return LL;
    }
 
    template <class PDF> void add(PDF &pdf) {
      INFO("Adding " << &pdf << " to sim fit");
      m_pdfs.emplace_back([&pdf]() -> double { return pdf.getVal(); });
    }
 
  private:
    std::vector<std::function<double(void)>> m_pdfs;
  };
} // namespace AmpGen
 
#endif