diff options
Diffstat (limited to 'ext')
-rw-r--r-- | ext/bigdecimal/lib/bigdecimal/util.rb | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/ext/bigdecimal/lib/bigdecimal/util.rb b/ext/bigdecimal/lib/bigdecimal/util.rb index 1e4bbbb596..b27e64c511 100644 --- a/ext/bigdecimal/lib/bigdecimal/util.rb +++ b/ext/bigdecimal/lib/bigdecimal/util.rb @@ -95,11 +95,11 @@ class Rational < Numeric # # => #<BigDecimal:1a52bd8,'0.3142857142 8571427937 0154144999 105E1',45(63)> # r.to_d(3) # # => #<BigDecimal:1a44d08,'0.314E1',18(36)> - def to_d(nFig=0) - num = self.numerator.to_s - if nFig<=0 - nFig = BigDecimal.double_fig*2+1 + def to_d(precision) + if precision <= 0 + raise ArgumentError, "negative precision" end - BigDecimal.new(num).div(self.denominator,nFig) + num = self.numerator + BigDecimal(num).div(self.denominator, precision) end end |