[std-interval] Mathematical relations and default initialization

[Dr John Pryce]

Dear all
At 23:10 14/09/06, Chenyi Hu wrote:
>Agree with George that there is no perfect answer. Not seeing explicit
>support for 2 - [0,0] yet. However, it saves initialization time
>significantly for applications involving large-scale sparse systems.
This puzzles me. Surely the point about sparse storage is that zero 
is simply NOT STORED and therefore [0,0] never constructed?
John Pryce
Dr John and Mrs Kate Pryce
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