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# Definitions for the non-linear least-squares fitting package NLFIT
# define parameters for nlstat[ird]
define NLNPARAMS 1
define NLNFPARAMS 2
define NLITMAX 3
define NLITER 4
define NLSUMSQ 5
define NLOLDSQ 6
define NLLAMBDA 7
define NLTOL 8
define NLNPTS 9
define NLSCATTER 10
# define the weighting flags
define WTS_USER 1 # User enters weights
define WTS_UNIFORM 2 # Equal weights
define WTS_CHISQ 3 # Chi-squared weights (input data in photons)
define WTS_SCATTER 4 # Weights include an adjustable scatter term
# define the error conditions
define DONE 0 # Solution converged
define SINGULAR 1 # Singular matrix
define NO_DEG_FREEDOM 2 # Too few points
define NOT_DONE 3 # Solution did not converge
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