On Oct 2, 2004, at 10:26 AM, Thomas Mensch wrote:

Dear List,

I am using boost 1.31.0 on Linux (with gcc 3.3.2) I would like to create a 2D array class, which inherits from boost::multi_array class. However I have problems with the copy constructor of my class Array. Below is the code, which I am trying to run.

Greetings Thomas, Though you did not supply the error message from your compiler, I suspect that the problem is this: multi_array has a templated constructor of the form: template <class T> multi_array(T const&); that will match your Array type better than the constructor with the signature: multi_array(multi_array const&); In short, overload resolution is not selecting the constructor that you desire. You'll need to coerce your Array reference to a multi_array reference before passing it to the constructor. Hope this helps.

#include

class Array : public boost::multi_array { public: Array (void) : boost::multi_array () {}

Array (const int nrow, const int ncol) : boost::multi_array (boost::extents[nrow][ncol]) {}

Array (const Array& other) : boost::multi_array (other) {}

~Array (void) {}

Array& operator= (const Array& rhs) { if (&rhs != this) { boost::multi_array::operator= (rhs); } return *this; } }; /* class Array */

I guess that I forget to provide some information to my derived class, but I cannot find which one. Is there a way to simply inherits from boost::multi_array?

Many thanks in advance,

Thomas

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