Yes, use an integer for the counter, and derive the floating point number from it. Integers are represented accurately and they don't accumulate error (unless they grow beyond a certain size).

my $i=0;
print($i, "\n");
while ($i < 10){
    my $n = ++$i / 10;
    print($n, "\n");
}

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Update: oops, typo fixed.

In reply to Re^2: non-integer increments by ikegami
in thread non-integer increments by spiccioni

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