virtual double GetValue(const osc::IOscCalcAdjustable *osc) const =0
Simple record of shifts applied to systematic parameters.
process_name opflashCryoW ana
T sqr(T x)
More efficient square function than pow(x,2)
virtual double ChiSq(osc::IOscCalcAdjustable *osc, const SystShifts &shift=SystShifts::Nominal()) const override