//.............................
// fit_result_t
class fit_result_t:public state_t{
public:

	enum{
		kFitStatusSucceeded,
		kFitStatusFailed,
		kFitStatusUnknown
	};

	int status;           // value from enum above
	float sumResi;        // sum of residuals
	int Ndof;             // Number of degrees of freedom
	float chisq_per_dof;  // chi-squared per degree of freedom from fit
};