Thanks for the reply.

Rob

On Sat, Oct 13, 2012 at 1:57 AM, Prof Brian Ripley <ripley@stats.ox.ac.uk>wrote:

> On 13/10/2012 08:09, Rob Anderson wrote:
>
>> Hi,
>>
>> I was wondering if it is safe to call R functions and/or R BLAS functions
>> from within multithreaded C/C++ code(.Call interface)? It is not in case
>> with MATLAB. I was experimenting  using pthreads and OpenMP.
>>
>
> Not unless it is documented to be so.  (I believe the internal BLAS to be
> fine, but you could use an external one: although with care if that also
> uses threads.)
>
> See also §8.1.5 of 'Writing R Extensions'.
>
>  Thanks,
>> Rob
>>
>
>
> --
> Brian D. Ripley,                  ripley@stats.ox.ac.uk
> Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~**ripley/<http://www.stats.ox.ac.uk/~ripley/>
> University of Oxford,             Tel:  +44 1865 272861 (self)
> 1 South Parks Road,                     +44 1865 272866 (PA)
> Oxford OX1 3TG, UK                Fax:  +44 1865 272595
>

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