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8.145. Math::BigRat
Allows you to use arbitrarily big
rationals. Math::BigRat is shipped with the Perl 5.8 source kit.
For example:#!/usr/local/bin/perl -w
use Math::BigRat;
my $rat = Math::BigRat->new('2/7');
print $rat->bstr(), "\n";
Math::BigRat implements the following methods.
| new |
new(value)
Creates a new Math::BigRat object. You can use all types of input for
new(): '3/5',
'2/33', '6/9', etc.
| denominator |
denominator()
Returns a copy of the denominator as a positive BigInt:my $rat = Math::BigRat->new('2/7')
print $rat->denominator(), "\n"; # Prints 7
| numerator |
numerator()
Returns a copy of the numerator as a signed BigInt:my $rat = Math::BigRat->new('2/7');
print $rat->numerator(), "\n"; # Prints 2
| parts |
parts()
Returns a list consisting of a signed numerator and unsigned
denominator. Both are BigInts.
my($n, $d) = $rat->parts(); ### Ewwww, rat parts!
print "numerator: $n\n";
print "denominator: $d\n";
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| 8.144. Math::BigInt::Calc |  | 8.146. Math::Complex |
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