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It turns out that there is a 15 decimal point limit to PI, even if you declare it as a long double
How does that come about ? 8 bytes are allocated for a double, and 12 bytes for a long double - I would therefore have envisaged that extra precision could be attained using the "long double". Cheers, Rob In reply to Re^2: RFC: Getting Started with PDL (the Perl Data Language)
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