Finally, it's passing a pointer to a pointer to a double by reference. If you think in terms of typedefs like this you'll understand the proper ordering of the & and * plus what it means. *& signifies the receiving the pointer by reference. It means it is an alias for the passing parameter.
Full Definition of PRORATE. transitive verb. : to divide, distribute, or assess proportionately. intransitive verb. : to make a pro rata distribution.ull Definition of PRORATE. transitive verb. : to divide, distribute, or assess proportionately. intransitive verb. : to make a pro rata distribution.
(plural prodromes) ( 1 rare) A precursor or harbinger; also a warning event. 2  An introductory or preliminary book or treatise. ( 3 medicine) an early symptom warning of the onset of a disease.