ARY_STATE - Determine the state of an array (defined or undefined)

Description:

The routine returns a logical value indicating whether an array's pixel values are currently defined.

Invocation:

CALL ARY_STATE( IARY, STATE, STATUS )

Arguments:

IARY = INTEGER (Given)

Array identifier.

STATE = LOGICAL (Returned)

Whether the array's pixel values are defined.

STATUS = INTEGER (Given and Returned)

The global status.