If I were writing the middle subroutine, I wouldn't copy the values into other variables before use: 

sub middle {
    return ($_[0] + $_[1]) / 2;
}

[download]

But that's probably just me.

duff

In reply to Re^2: [Study]: Searching for square roots by duff
in thread [Study]: Searching for square roots by monsieur_champs

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