Change DV_DURATION.sign to prefix "-" operation

Description

The sign attribute of DV_DURATION is incompatible with
the normal way of representing negation of a quantity. It is not
helpful in computations using durations. A prefix "-" operator
should be defined to enable normal arithmetic to be used with
DV_DURATIONs.

Activity

Fixed

Details

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Reporter

Priority

Created August 31, 2003 at 11:00 PM
Updated October 25, 2003 at 11:00 PM
Resolved October 25, 2003 at 11:00 PM

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