Re: [boost] Using operators.hpp

From: Jeremy Siek (jsiek_at_[hidden])
Date: 2001-10-31 14:49:34

I don't think that operators.hpp can handle that situation.

There is a technique that would allow for this... the iterator_comparisons
class (in iterator_adaptors.hpp) uses this technique.

Ciao,
Jeremy

On Wed, 31 Oct 2001, Bill Seymour wrote:

bill-a> Last weekend in Redmond, Beman told me that one objection
bill-a> to the fixed-point decimal library was that I hadn't used
bill-a> operators.hpp.  I said that I had looked at it once and
bill-a> my first impression was that it offered more pain than
bill-a> gain; but I promised to look at it again.
bill-a>
bill-a> OK, I'm trying to apply this to the decimal<> class;
bill-a> and so far I've written:
bill-a>
bill-a>   template<int Precision = 0>
bill-a>   class decimal
bill-a>     : unit_steppable< decimal<Precision>
bill-a>     , arithmetic2< decimal<Precision>, int
bill-a>     , arithmetic2< decimal<Precision>, decimal<?>
bill-a>     , arithmetic2< decimal<Precision>, rounding_proxy< decimal<?> >
bill-a>       > > > >
bill-a>
bill-a> Note the two occurrances of decimal<?>.  I don't understand
bill-a> how to say "decimal<some other precision>" here.  What am I
bill-a> missing?
bill-a>
bill-a> Thanks,
bill-a>
bill-a> --Bill Seymour
bill-a>
bill-a> Info: http://www.boost.org  Unsubscribe: <mailto:boost-unsubscribe_at_[hidden]>
bill-a>
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bill-a>
bill-a>

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 Jeremy Siek                          http://php.indiana.edu/~jsiek/
 Ph.D. Student, Indiana Univ. B'ton   email: jsiek_at_[hidden]
 C++ Booster (http://www.boost.org)   office phone: [phone]
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