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| XP is just a number | |
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Re^3: Decimal Floating Point (DFP) and does Perl needs DFP?by raiph (Deacon) |
| on Jan 20, 2015 at 05:50 UTC ( [id://1113833]=note: print w/replies, xml ) | Need Help?? |
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Comparing a 2014.08 Rakudo with Perl 5.20 running the rat_mul_div_cancel micro benchmark showed "Rat (rational number) support is 6x faster than Perl 5".
To quote the user doc for Rat:
"To prevent the numerator and denominator from becoming pathologically large, the denominator is limited to 64 bit storage. On overflow of the denominator a Num (floating-point number) is returned instead." and
"If you want arbitrary precision arithmetic with rational numbers, use the FatRat type instead."
»ö« . o O ( "the celebrity tell-all of the Perl-6 cult?" )
In Section
Seekers of Perl Wisdom
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