Re: return value optimization on expression/meta templates

E. Robert Tisdale

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Posts: n/a

06-25-2003

Olaf Petzold wrote:
> I'm writing tvmet, a linear algebra library using expression and meta
> templates. ...
>
> Unfortunately chaining (e.g. Matrix=product(product(transpose(Matrix),
> Matrix), Matrix)) expressions will go into wrong, or partially wrong
> results due to using return value optimizations. It takes memory
> regions where the evaluated results where before.
>
> [ What's the problem? ]

Hi Olaf,

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