[Rcpp-devel] Best way to return raw array
cubranic at stat.ubc.ca
Fri Sep 2 19:26:37 CEST 2011
On 2011-09-02, at 5:19 AM, Dirk Eddelbuettel wrote:
> Maybe this would do
> double *p=third_party_function(nn);
> NumericVector ret(nn); // new memory
> copy(ret.begin(), ret.end(), p); // untested
> delete p;
> return ret;
> | where third_party_function() is C legacy code that is documented as
> | returning a block of memory of size nn that the client should take
> | ownership of.
If third_party_function is really C legacy code, wouldn't the block of code be more likely to have been allocated with a 'malloc', and so you should release it with a 'free'?
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