Heap dimensions

[Silvio a Beccara]

> That's no memory allocation error, but a range-check error. The
> computed size (next would be 130 * 255 * 255 * 255) doesn't fit in a
> 32 bit signed integer anymore. If you want to allocate more than
> 2 GB in a single allocation (which was not your original request),
> you could try to use an unsigned type (Cardinal or perhaps better
> SizeType). However, I've never tested this, so there may be RTS or
> libc issues.

what does in this context mean "range check error"? Sometimes I get the same 
error when using dynamic arrays, usually when bounds are trespassed. Is there 
a way to know at which code line the error generates, and does the error have 
consequences on the results of the code?

Silvio
 

 

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