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Changed according to Tadashi Saito's advice.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4009 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
shigek 2003-06-27 04:40:25 +00:00
parent d3ce235bab
commit f64d6232ab

View file

@ -1,10 +1,10 @@
#
# BigDecimal <-> Rational
#
class BigDecimal
class BigDecimal < Numeric
# Convert BigDecimal to Rational
def to_r
sign,digits,base,power = self.to_parts
sign,digits,base,power = self.split
numerator = sign*digits.to_i
denomi_power = power - digits.size # base is always 10
if denomi_power < 0
@ -12,11 +12,11 @@ class BigDecimal
else
denominator = base ** denomi_power
end
Rational.new(numerator,denominator)
Rational(numerator,denominator)
end
end
class Rational
class Rational < Numeric
# Convert Rational to BigDecimal
# to_d returns an array [quotient,residue]
def to_d(nFig=0)