Re: [Boost-users] multi_array operator= and copy constructor have problem

From: Ronald Garcia (garcia_at_[hidden])
Date: 2005-06-13 09:56:35

Greetings Yan,

Only multi_arrays with the same size can be assigned to each other.  
You must explicitly resize B before trying to assign A to it.

Cheers,
ron

On Jun 10, 2005, at 10:31 AM, Yan Zhang wrote:

> I’m testing multi_array with a simple example:
>  
>   typedef boost::multi_array<double, 3> array;
>   array A(boost::extents[3][4][2]);
>  
>   A[0][0][0] = 3.14;
>   
>   array B;
>   B = A;
>  
> When execute the last statement B=A, you encounter assertion:
>  
>     
> assert(std::equal(other.shape(),other.shape()+this->num_dimensions(),
>                       this->shape()));
>  
> in file multi_array_ref.hpp (line 476). I used VC++ 7.1 with debug 
> build. Please advice.
>  
>  
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