Douglas Gregor
Tue, 02 Sep 2003 11:13:05 -0700
On Tuesday 02 September 2003 01:36 pm, Mat Marcus wrote:
> We're trying to use optional from 1.30.0 (sorry legal hasn't approved
> our use of 1.30.2 yet). However on one compiler (Metrowerks 8.3 PPC
> CFM) we're getting static asserts from the alignment calculation
> metafunctions. Below is an abstracted example of the problem. I'm
> curious about what's going on and what workarounds might be possible.
>
> Thanks,
> Mat
Looks like the code was unable to find an 8-byte aligned type. Could you check
the results of:
std::cout << boost::alignment_of<double> << '\n';
std::cout << boost::alignment_of<long double> << '\n';
I suspect they are both '4', but that leaves me even more confused as to why
the alignment of std::pair<double, double> would be 8 (and how to get a POD
type with alignment 8 for ourselves!).
Doug
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