[petsc-users] Correct use of VecGetArray with std::vector

[Victor Eijkhout]

On , 2020Feb28, at 14:14, Jed Brown <Jed.Brown at Colorado.EDU<mailto:Jed.Brown at Colorado.EDU>> wrote:

Can't do this because std::vector can't be wrapped around existing memory.

That’s why I use gsl::span which ?will be in c++20?

Victor.

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