# This file defines parameters for polynomial fits which are described
# by text database files.

define	LEN_FIT		30		# length of fit struct
define	FIT_SX1		Meml[$1]
define	FIT_SY1		Meml[$1+1]
define	FIT_SX2		Meml[$1+2]
define	FIT_SY2		Meml[$1+3]
define	FIT_TYPE	Meml[$1+4]	# for values, see below
define	FIT_NAME	Memc[P2C($1+5)]

# Codes for the 4 types of transforms
define  FOR1D		1		# forward, 1-D
define  FOR2D		2		# forward, 2-D
define  BACK1D		3		# backwards, 1-D
define  BACK2D		4		# backwards, 2-D

# These are the values for the direction of fit, to be passed to db_readr.
define	FORWARD		1
define	BACKWARD	2