dolfin team mailing list archive

[kent-and@xxxxxxxxx]

> I didn't realise until recently that storage in std::vector is
> guaranteed by the C++ standard to be contiguous (versus only being
> contiguous in all known implementations). Using this, I think that we
> can have safer and cleaner code by using more std::vector in the linear
> algebra interface. For example, we could have
>
>    GenericVector::get(std::vector<double>& );
>    GenericVector::set(const std::vector<double>& );
>
> instead of
>
>    GenericVector::get(double* x);
>    GenericVector::set(const double* x);
>
> For backends that want a pointer to an array, we can pass &x[0]. Any
> opinions?
>

Is the use of &x[0] safe ? Will it change if the vector is resized ? This
is maybe
nothing to worry about ?

Kent

> Garth
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