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/*
* sort an array (insertion sort)
*
*/
module example_insertion_sort;
const
N : integer = 10;
var
i, j, x : integer;
a : array N of integer;
begin
// initialize the array (no integer array initializers - yet)
a[0] := 7;
a[1] := 4;
a[2] := 0;
a[3] := 8;
a[4] := 5;
a[5] := 3;
a[6] := 1;
a[7] := 9;
a[8] := 6;
a[9] := 2;
// sort it
i := 1;
while i < N do
x := a[i];
j := i;
while ( j > 0 ) and ( x < a[j-1] ) do
a[j] := a[j-1];
j := j-1;
end;
a[j] := x;
i := i+1;
end
end
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