You're hitting a fundamental problem with representing decimal fractions in binary form. It is a limitation of your processor's floating point arithmetic which is exhibited in all languages, not just perl. You can eliminate the problem by rounding with sprintf before comparison.
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Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
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Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
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taken to ensure that their contents do not
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intervention).
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Want more info? How to link
or How to display code and escape characters
are good places to start.
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