Re: error C2244: 'MyAnn::backPropgration' : unable to match function definition to an existing declaration

From:

"Alexander Grigoriev" <alegr@earthlink.net>

Newsgroups:

microsoft.public.vc.language

Date:

Mon, 24 Sep 2007 07:04:03 -0700

Message-ID:

<#oCmSPr$HHA.1212@TK2MSFTNGP05.phx.gbl>

What you mean by 'typename = std::allocator<ELEM>' ?

<cablepuff@gmail.com> wrote in message
news:1190602825.072844.235800@57g2000hsv.googlegroups.com...

./cs461/c++/cppdef/backproagation.cpp(188) : error C2244:
'MyAnn::backPropgration' : unable to match function definition to an
existing declaration
       c:\cpw\msvc\cs461\c++\cppdef\../backpropagation.hpp(20) : see
declaration of 'MyAnn::backPropgration

inside backpropagation.hpp

namespace MyAnn
{
//......
template <typename T,
        template <typename ELEM, typename = std::allocator<ELEM> >
        class CONT
  >
  extern CONT<CONT<T> > backPropgration(
   const typename multiLayerExample<T, CONT>::mapInOut& examples,
   const T& rate,
   const typename CONT<T>::size_type& nIn,
   const typename CONT<T>::size_type& nOut,
   const typename CONT<T>::size_type& nHidden
  );
}

inside backproagation.cpp
....
template <typename T,
        template <typename ELEM, typename = std::allocator<ELEM> >
        class CONT

CONT<CONT<T> > MyAnn::backPropgration(
   const typename multiLayerExample<T, CONT>::mapInOut& examples,
   const T& rate,
   const typename CONT<T>::size_type& nIn,
   const typename CONT<T>::size_type& nOut,
   const typename CONT<T>::size_type& nHidden
)