Re: [Boost-users] multi_array with large dimensions crashes

Subject: Re: [Boost-users] multi_array with large dimensions crashes
From: Jothy (jothybasu_at_[hidden])
Date: 2011-08-24 05:20:13

Thanks for pointing this out.

But how to do this? I am new to c++.

Jothy

On Tue, Aug 23, 2011 at 10:42 PM, Juraj Ivančić <juraj.ivancic_at_[hidden]>wrote:

> On 23.8.2011. 12:18, Jothy wrote:
>
>> Hi all,
>>
>> I have just started to use boost libs. I am trying to create a large
>> float array (mandatory for my purpose). it works fine till certain
>> limit, but crashes above that. I think it about allocating memory in the
>> stack.
>>
>> My code is like this
>>
>> typedefboost::multi_array<**float,3>array_type;
>> typedefarray_type::indexindex;
>> array_typeArray(boost::**extents[xDim][yDim][zDim]);//**500,300,400 for
>> instance
>>
>>
>> Can some one help me to resolve this?
>>
>
> I am not familiar with multi_array, but it seems that you are creating a
> >1GB object on the stack. This will almost always crash. Try creating it on
> the heap instead. Be prepared for std::bad_alloc.
>
> HTH
>
>
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>