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From: Hartmut Kaiser (hartmut.kaiser_at_[hidden])
Date: 2005-12-04 18:25:48

Daryle Walker wrote:

> > It's not legal for 32 bit systems. Either flag the 11112223334 with
> > the LL suffix (and the --long_long command line option) or
> you are out
> > of luck with Wave. At least as long the code is not hidden inside a
> > non-evaluated #if/#endif block. I've fixed Wave after
> 1.33.0 to accept
> > large numbers in non-evaluated #if expressions, just to
> allow to compile Boost.
> Maybe one day we could use some sort of bignum class to hold
> preprocessor numbers. I'm guessing that you currently base
> the "number too large" errors by trying to load the number
> into a (built-in) numeric variable. The problem is that it
> won't work for cross-compilers where the compiling computer's
> number sizes are smaller than the number sizes on the target computer.

Yes, it currently depends on the size of a 'long' for the platform Wave was
compiled for. But the whole expression arithmetic is very localised to a
single class, so that changing the implementation isn't an issue at all. Are
there any plans to add a bignum class to Boost?

Regards Hartmut

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