[Rcpp-devel] Multiplication of ComplexVector?

[Romain Francois]

Le 18/08/10 13:22, Dirk Eddelbuettel a écrit :
>
> On 18 August 2010 at 09:10, Romain Francois wrote:
> | Yep, that is because of RcppExport. You only use RcppExport when you
> | call the function from .Call in R.
> |
> | RcppExport is an alias to extern "C" so it essentially voids the
> | C++-ness of the function it is applied to.
>
> For completeness:  It also provided a hook to add __declspec(dllexport) for
> the one operating system that needed it when building DLLs.  We currently
> don't build DLLs there so this is moot but the option may be useful.  Hence
> RcppExport and not just extern "C".

Not the way it is currently defined ;

// #ifdef BUILDING_DLL
// #define RcppExport extern "C" __declspec(dllexport)
// #else
#define RcppExport extern "C"
// #endif

> Also:
>
> On 18 August 2010 at 08:41, Romain Francois wrote:
> [...]
> | Should we have something similar for Rcpp ?
> |
> | #if defined(RCPP_VERSION)&&  RCPP_VERSION>= Rcpp_Version(0, 8, 5)
> |         ...
> | #endif
>
> Sounds good to me!
>
> Dirk

Great. I'll figure how to do it, unless someone else does it before me ...

BTW, why did you not reply to each question on its own thread ?

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Romain Francois
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