[Rcpp-devel] Warnings in build of RcppArmadillo project

[Simon Zehnder]

Ah, I see. Thanks for the explanation! 


Best

Simon

On Jun 5, 2013, at 4:48 PM, Romain Francois <romain at r-enthusiasts.com> wrote:

> The change affects Rcpp, not RcppArmadillo.
> 
> Le 05/06/13 16:45, Simon Zehnder a écrit :
>> Hi Romain,
>> 
>> is revision 4331 already in RcppArmadillo 3.9.0?
>> 
>> Best
>> 
>> Simon
>> 
>> 
>> On Jun 5, 2013, at 4:30 PM, Romain Francois <romain at r-enthusiasts.com> wrote:
>> 
>>> Most of these are in fact happening in armadillo's code base.
>>> 
>>> Le 05/06/13 16:23, Simon Zehnder a écrit :
>>>> Hi Rcpp-Users and Rcpp-Devels,
>>>> 
>>>> I just build an RcppArmadillo project on my computer using gcc-4.8.1 and the newest Version of RcppArmadillo. I got some warnings I cannot explain to myself. It builds the library and installs it. Nevertheless I would like to know more about my warnings:
>>>> 
>>>> In file included from /Library/Frameworks/R.framework/Versions/3.0/Resources/library/RcppArmadillo/include/armadillo:397:0,
>>>>                  from /Library/Frameworks/R.framework/Versions/3.0/Resources/library/RcppArmadillo/include/RcppArmadilloForward.h:36,
>>>>                  from /Library/Frameworks/R.framework/Versions/3.0/Resources/library/RcppArmadillo/include/RcppArmadillo.h:29,
>>>>                  from FinmixModel.cc:14:
>>>> /Library/Frameworks/R.framework/Versions/3.0/Resources/library/RcppArmadillo/include/armadillo_bits/fn_as_scalar.hpp: In static member function ‘static typename T1::elem_type arma::as_scalar_redirect<N>::apply(const T1&)’:
>>>> /Library/Frameworks/R.framework/Versions/3.0/Resources/library/RcppArmadillo/include/armadillo_bits/fn_as_scalar.hpp:48:34: warning: typedef ‘eT’ locally defined but not used [-Wunused-local-typedefs]
>>>>    typedef typename T1::elem_type eT;
>>>>                                   ^
>>>> /Library/Frameworks/R.framework/Versions/3.0/Resources/library/RcppArmadillo/include/armadillo_bits/fn_as_scalar.hpp: In function ‘typename T1::elem_type arma::as_scalar(const arma::Base<typename T1::elem_type, T1>&)’:
>>>> /Library/Frameworks/R.framework/Versions/3.0/Resources/library/RcppArmadillo/include/armadillo_bits/fn_as_scalar.hpp:320:34: warning: typedef ‘eT’ locally defined but not used [-Wunused-local-typedefs]
>>>>    typedef typename T1::elem_type eT;
>>>>                                   ^
>>>> In file included from /Library/Frameworks/R.framework/Versions/3.0/Resources/library/RcppArmadillo/include/armadillo:397:0,
>>>>                  from /Library/Frameworks/R.framework/Versions/3.0/Resources/library/RcppArmadillo/include/RcppArmadilloForward.h:36,
>>>>                  from /Library/Frameworks/R.framework/Versions/3.0/Resources/library/RcppArmadillo/include/RcppArmadillo.h:29,
>>>>                  from FinmixModel.cc:14:
>>>> /Library/Frameworks/R.framework/Versions/3.0/Resources/library/RcppArmadillo/include/armadillo_bits/fn_as_scalar.hpp: In function ‘typename T1::elem_type arma::as_scalar(const arma::BaseCube<typename T1::elem_type, T1>&)’:
>>>> /Library/Frameworks/R.framework/Versions/3.0/Resources/library/RcppArmadillo/include/armadillo_bits/fn_as_scalar.hpp:384:34: warning: typedef ‘eT’ locally defined but not used [-Wunused-local-typedefs]
>>>>    typedef typename T1::elem_type eT;
>>>>                                   ^
>>>> In file included from /Library/Frameworks/R.framework/Versions/3.0/Resources/library/Rcpp/include/Rcpp/Module.h:352:0,
>>>>                  from /Library/Frameworks/R.framework/Versions/3.0/Resources/library/Rcpp/include/Rcpp.h:63,
>>>>                  from /Library/Frameworks/R.framework/Versions/3.0/Resources/library/RcppArmadillo/include/RcppArmadillo.h:30,
>>>>                  from FinmixModel.cc:14:
>>>> /Library/Frameworks/R.framework/Versions/3.0/Resources/library/Rcpp/include/Rcpp/module/class.h: In member function ‘Rcpp::class_<Class>::self& Rcpp::class_<Class>::derives(const char*)’:
>>>> /Library/Frameworks/R.framework/Versions/3.0/Resources/library/Rcpp/include/Rcpp/module/class.h:495:56: warning: typedef ‘parent_prop_class’ locally defined but not used [-Wunused-local-typedefs]
>>>>              typedef typename parent_class_::prop_class parent_prop_class ;
>>> 
>>> This one I just fixed in rev 4331.
>>> 
>>>> The FinmixModel class looks like:
>>>> 
>>>> HEADER:
>>>> #include <RcppArmadillo.h>
>>>> // [[Rcpp::depends(RcppArmadillo)]]
>>>> 
>>>> #include <string>
>>>> 
>>>> class FinmixModel {
>>>> 
>>>>         public:
>>>>                 Rcpp::List parList;
>>>>                 arma::rowvec weightV;
>>>>                 arma::uvec tV;
>>>> 
>>>>                 bool indicFix;
>>>>                 unsigned int K;
>>>>                 unsigned int r;
>>>> 
>>>>                 /* ctor */
>>>>                 FinmixModel(const Rcpp::S4& classS4);
>>>>                 /* dtor */
>>>>                 ~FinmixModel();
>>>> };
>>>> 
>>>> CC:
>>>> #include <RcppArmadillo.h>
>>>> #include "FinmixModel.h"
>>>> 
>>>> FinmixModel::FinmixModel(const Rcpp::S4& classS4) {
>>>> 
>>>>         /**
>>>>          * As the parameters 'par' can have very differing implementations
>>>>          * they are kept in a general Rcpp::List object which is then
>>>>          * decomposed in main code.
>>>>          *
>>>>          */
>>>>         parList  = classS4.slot("par");
>>>>         weightV  = Rcpp::as<arma::mat>(classS4.slot("weight"));
>>>> 
>>>>         /**
>>>>          * 'T' can be 'NA' if the model has no repetitions (Binomial)
>>>>          * in this case this attribute is set to an 1 x 1 vector
>>>>          *
>>>>          */
>>>>         tV       = Rcpp::as<arma::uvec>(classS4.slot("T"));
>>>>         indicFix = Rcpp::as<bool>(classS4.slot("indicfix"));
>>>>         K        = Rcpp::as<unsigned int>(classS4.slot("K"));
>>>>         r        = Rcpp::as<unsigned int>(classS4.slot("r"));
>>>> }
>>>> 
>>>> FinmixModel::~FinmixModel(){}
>>>> 
>>>>> From looking into the files RcppArmadilloForward.h, fn_as_scalar.hpp and class.h it seems that there is something about typedefs, but I am not sure. It seems to me just not right, that all these warnings occur in my build output.
>>>> 
>>>> 
>>>> Best
>>>> 
>>>> Simon
> 
> 
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