[fpc-pascal] Array clearing
Ryan Joseph
ryan at thealchemistguild.com
Wed Apr 5 04:51:00 CEST 2017
> On Apr 4, 2017, at 11:50 PM, Jürgen Hestermann <juergen.hestermann at gmx.de> wrote:
>
> I am trying to show the memory allocation for the 10x10 array as a "graphic":
>
> arr --> arr[0],arr[1],arr[2],arr[3],arr[4],arr[5],arr[6],arr[7],arr[8],arr[9]
> | | | | | | | | | |
> V V V V V V V V V V
> arr[0,0], . . . . . . . arr[9,0],
> arr[0,1], . . . . . . . arr[9,1],
> arr[0,2], . . . . . . . arr[9,2],
> arr[0,3], arr[9,3],
> arr[0,4], arr[9,4],
> arr[0,5], arr[9,5],
> ... ...
>
> arr is a single pointer (that points to arr[0]).
> arr[0] to arr[9] are (10) pointers located in a continuous memory block each pointing to
> arr[0,0],
> arr[1,0],
> arr[3,0], and so on...
> arr[0,0] is a single integer.
> arr[0,0] to arr[0,9] are (10) integers located in a continuous memory block.
> The same applies for
> arr[1,0] to arr[1,9],
> arr[2,0] to arr[2,9],
> arr[3,0] to arr[3,9], and so on.
Thanks that helps. Indeed this is not what I need and I’m not even taking advantage of the resizable elements so I better not use dynamic arrays for my matrix.
Regards,
Ryan Joseph
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