crg_collider_data (ul_crg)

	status.i4.v = crg_collider_data(crg_data.s.r)

	Get CRG data from a particular file. The user is prompted
	for a CRG file, ramp and slot and then the currents are
	calculated and returned into a preallocated structure.

	crg_data	preallocated by the user for the CRG data to be
			returned in (structure of type CRG_COLLIDER_DATA)

	This function returns ACNET status values as follows:

	SQL_OK			success
	SQL_xxx			error in reading database
	CBS_INVARG		null pointer passed

	This function requires the following include files:

	ul_crg_h:crg_h, acnet_errors_h

	Related functions:

	crg_active_file, cnv_time_energy, crg_param_read, crg_tecar_read,
	crg_read_tuner, crg_read_b2min_slope, crg_tecar_c_to_ftn