Hi again list,
I'm continuing to investigate the possibilities of modules for my project.
and I can't found how to push a template class instance into the module. Since
I'm not very good it my be a bad programming habbit of mine (in this case this
is not a Rcpp question I admit) or it can be that what I'm trying to do is not
allowed
below is a dumb example with class definition module definition and error log
which ends up with
"invalid use of incomplete type ‘class dynamicOf_<firstClass>"
any comments or idea
------ templateModule.h
#include <RcppCommon.h>
class firstClass ;
class secondClass ;
template<class aClass>
class dynamicOf_;
class firstClass
{
public:
double value_ ;
~firstClass(){Rcpp::Rcout<<"destructing firstClass"<<std::endl;};
firstClass(){Rcpp::Rcout<<"constructing firstClass"<<std::endl;};
firstClass(double value) : value_(value){};
};
class secondClass
{
public:
~secondClass(){Rcpp::Rcout<<"destructing secondClass"<<std::endl;};
secondClass(){Rcpp::Rcout<<"constructing secondClass"<<std::endl;};
};
template<class aClass>
class dynamicOf_{
public :
aClass obj;
double dyn_info;
~dynamicOf_(){};
dynamicOf_(){};
};
---- templatemodule.cpp
#include "TemplateModule.h"
#include <Rcpp.h>
RCPP_EXPOSED_CLASS(firstClass)
RCPP_EXPOSED_CLASS(secondClass)
RCPP_EXPOSED_CLASS(dynamicOf_<firstClass>)
RCPP_EXPOSED_CLASS(dynamicOf_<secondClass>)
RCPP_MODULE(mod_example_template){
using namespace Rcpp;
class_<firstClass>( "firstClass" )
//constructors
.constructor()
;
class_<secondClass>( "secondClass" )
//constructors
.constructor()
;
class_<dynamicOf_<firstClass> >( "dynamicOf_firstClass" )
//constructors
.constructor()
;
}
------ error log
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/XPtr.h:
In function ‘void Rcpp::standard_delete_finalizer(T*) [with T =
dynamicOf_<firstClass>]’:
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/module/class.h:39:
instantiated from ‘Rcpp::class_<dynamicOf_<firstClass> >’
TemplateModule.cpp:21: instantiated from here
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/XPtr.h:39:
warning: possible problem detected in invocation of delete operator:
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/XPtr.h:38:
warning: ‘obj’ has incomplete type
TemplateModule.h:26: warning: declaration of ‘class dynamicOf_<firstClass>’
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/XPtr.h:39:
note: neither the destructor nor the class-specific operator delete will be
called, even if they are declared when the class is defined.
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/module/class.h:
In constructor ‘Rcpp::class_<Class>::class_(const char*, const char*) [with
Class = dynamicOf_<firstClass>]’:
TemplateModule.cpp:21: instantiated from here
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/module/class.h:71:
error: invalid use of incomplete type ‘class dynamicOf_<firstClass>’
TemplateModule.h:26: error: declaration of ‘class dynamicOf_<firstClass>’
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/module/Module_generated_Constructor.h:
In member function ‘Class* Rcpp::Constructor_0<Class>::get_new(SEXPREC**, int)
[with Class = dynamicOf_<firstClass>]’:
TemplateModule.cpp:24: instantiated from here
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/module/Module_generated_Constructor.h:37:
error: invalid use of incomplete type ‘class dynamicOf_<firstClass>’
TemplateModule.h:26: error: declaration of ‘class dynamicOf_<firstClass>’
make: *** [TemplateModule.o] Error 1
ERROR: compilation failed for package ‘ReproducibleExample’
Dr. Girard Robin
Chargé de Recherche
MINES-ParisTech / Département Energétique et Procédés / PERSEE / Groupe ERSEI
Centre Procédés, Energies Renouvelables et Systèmes Energétiques (PERSEE)
Center for Processes, Renewables Energies and Energy Systems
Renewable Energies & Smartgrids (ERSEI)
1 Rue Claude Daunesse - CS 10207 - F-06904 Sophia Antipolis Cedex
Tel: +33.4.93.67.89.64 (~99), Fax: +33.4.93.95.75.35
e-mail : robin.gir...@mines-paristech.fr
web page perso http://www.mines-paristech.fr/Services/Annuaire/&?id=8828
statoverflow : http://stats.stackexchange.com/users/223/robin-girard
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