Re: [Boost-users] c array parameter in resize method of multi_array

From: Dale McCoy (dalestan_at_[hidden])
Date: 2006-07-10 17:15:31

On 7/10/06, Manuel.Yguel_at_[hidden] wrote:
> Hi,
> is there any reason to refuse a resize method for multi_array that accept a C
> array as parameter ?
> As long as the resize method just works if the boost::extents parameter has the
> same dimension as the array to be resized a call like that:
>
>     typedef boost::multi_array<double, 3> array_type;
>     array_type A( boost::extents[3][4][2] );
>
>     ---> A.resize( {6;5;2} );
>
> could be understood as:
>     A.resize( boost::extents[6][5][2] );
> without any ambiguity, am I wrong ?

I would assume that a boost::extents parameter contains its dimension.
A C array does not, so there's (AFAICT) no way to do either
compile-time or run-time checks to ensure that you didn't type one of:
A.resize( {6,5,2,5} );
or
A.resize( {6,5} );

Dale