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Regions Controlling Array Stmt Execution
Regions specify the
indices over which computation will be performed
•Specify
region in brackets as statement prefix
[1..n,1..n] A := B;
•The n2 elements of the region are replaced in A by their
corresponding elements in B
•Regions
are scoped
[1..n,1] begin -- Work on first column only
A := 0;
B :=
2*C;
end;