libcpldrs20 6.6.1-1build1 (i386 binary) in ubuntu xenial

 The CPLDRS (DRS for Data Reduction System) implements higher level data
 processing algorithms (such as wavelength calibration, image recombination,
 dark-frame correction and so on).
 .
 The Common Pipeline Library (CPL) comprises a set of ISO-C libraries that
 provide a comprehensive, efficient and robust software toolkit. It forms a
 basis for the creation of automated astronomical data-reduction tasks (known
 as "pipelines").