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Programming-Idioms

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  • Java

Idiom #236 Large quotient

Initialize a quotient q = a/b of arbitrary precision. a and b are large integers.

import java.math.BigDecimal;
BigDecimal A = new BigDecimal(a),
           B = new BigDecimal(b),
           q = A.divide(B);
import "math/big"
q := new(big.Rat)
q.SetString(str)

str is a quotient string including numerator, slash, denominator.
New implementation...
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programming-idioms.org 
BigDecimal A = new BigDecimal(a),
           B = new BigDecimal(b),
           q = A.divide(B);
q := new(big.Rat)
q.SetString(str)
q := new(big.Rat)
q.SetFrac(a, b)
q := big.NewRat(a, b)
my $a = Math::BigRat->new(  '1_000_000_000_000_000_000' );
my $b = Math::BigRat->new( '10_000_000_000_000_000_000' );
my $q = $a / $b;

say $q;  # prints 1/10
q = fractions.Fraction(a, b)
q = Rational(a, b)