[petsc-users] passing an object to function

[Jed Brown]

On Fri, Oct 7, 2011 at 11:09, Dominik Szczerba <dominik at itis.ethz.ch> wrote:

> Sorry, I could not conclude: so what signature to pass an object is
> best/cleanest/most optimal for my C++ code?
>

Prefer Vec


> Or are they all fine, e.g.
> Vec would pass address by value, Vec& would pass address by reference,
> Vec* would pass the pointer, none of them copying the heavy data?
>
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