Re: Help needed for ada package

[tmoran@acm.org]

>   type Association_Matrix is array (Id'First .. Id'Last) of
>Association_Vector;
>   pragma Pack(Association_Matrix);
>   --   1_000_000 rows of 125_000 bytes is 125_000_000_000 bytes
>   --   very fat, 125GB

  Remember that a symmetric array A(1 .. N, 1 .. N) can be stored in half
the space as a vector V(1 .. (N*(N+1))/2), where A(i,j) is at
V((max(i,j)*(max(i,j)-1))/2+min(i,j))