I defined the type matriceE as :
type
vecteurF = array of extended;
matriceF = array of vecteurF;
matriceE = record
err :integer;
x :matriceF;
end;
If I define a function such as :
function invM(A:matriceE):matriceE;
and when I call it such as :
invA := invM(A);
the matrix invA.x has zero dimension
If now, I replace this function by a procedure such as :
procedure invM2(A:matriceE;var B matriceE);
the call invM2(A,invA) produces a matrix invA.x of correct dimension.
I add that the function invM runs OK under Delphi 6.0.
Jean-Marie Cornuet
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