Changes and new features in V1.3

The most significant changes in version (V1.3) of the ARY_ system were as follows:

(1): A new array storage form called “DELTA” has been introduced. This provides lossless compression for integer arrays. The new routine ARY_DELTA creates a copy of a supplied array, stored in DELTA form.
(2): A new routine called ARY_LOC returns a locator for the HDS data object referred to by the supplied ARY identifier.