[Rcpp-devel] Data Persistence when using inline
noahsilverman at ucla.edu
Wed Sep 7 23:46:36 CEST 2011
I'm writing a function using Rcpp through inline. This function will be a filter on an incoming data stream.
I need to keep the past several data values so that they are accessible to the function each time it is called. This is easy to do with a data structure in R (and then passing subsequent structure to the C++ function) but that seems rather slow. Is there some way to define a persistent object that is accessible to an Inline function using Rcpp?
If the code was in pure C++, it would be trivial to have an object and then just pass a pointer to that object. I can't figure out how to do the same thing with R+Rcpp+inline.
UCLA Department of Statistics
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