Lastly, and regarding the warning of being unable to parse your 'Infinity'
argument, we have had the following segment in Section 2.2 of the vignette
'Rcpp Attributes' for years:
Not all \proglang{C++} default argument values can be parsed into their
\proglang{R} equivalents, however the most common cases are supported,
including:
Not all C++ default argument values can be parsed into their R equivalents,
however
the most common cases are supported, including:
• String literals delimited by quotes (e.g. "foo")
• Decimal numeric values (e.g. 10 or 4.5)
• Pre-defined constants including true, false, R_NilValue, NA_STRING,
NA_INTEGER,
NA_REAL, and NA_LOGICAL.
• Selected vector types (CharacterVector, IntegerVector, and NumericVector)
instantiated
using the ::create static member function.
• Matrix types instantiated using the rows, cols constructor.
So your use case was out of scope. You could set the default to NA_REAL and
then (conditionally) replace that value inside the function.
Dirk
--
http://dirk.eddelbuettel.com | @eddelbuettel | [email protected]
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