[petsc-users] The product of two MPIDENSE matrices

[Jed Brown]

Jack Poulson <poulson at stanford.edu> writes:
> It hasn't yet been rigorously tested, but support for 64-bit integers
> should be possible by simply changing the typedefs for elem::Int and
> elem::Unsigned from 'int' -> 'long long int' and 'unsigned' to 'long
> long unsigned'. These are guaranteed to be 64-bit by C++11.

Can you add a CMake configure option for these?  I'd rather
--download-elemental use an interface other than stream-editing headers.
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