[std-interval] More on interval computations as proofs

Gabriel Dos Reis gdr at integrable-solutions.net
Fri Sep 29 23:21:54 PDT 2006


Sylvain Pion <Sylvain.Pion at sophia.inria.fr> writes:

[...]

| An alternative implementation is to have a global flag like errno,

I would not support that.  Global variables pose significant problems,
both for users and implementers -- these days errno really is a
function.  Specially in multi-threaded environment (C++ is seriously
considering concurency).

Another laternative design could throw an exception.

-- Gaby


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