diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | lib/mathn.rb | 44 |
2 files changed, 5 insertions, 44 deletions
@@ -1,3 +1,8 @@ +Mon Jun 23 11:31:41 2008 Yukihiro Matsumoto <matz@ruby-lang.org> + + * lib/mathn.rb (Rational::power2): removed incomplete method. + see [ruby-dev:35195]. [ruby-core:17293] + Sun Jun 22 14:16:28 2008 Nobuyoshi Nakada <nobu@ruby-lang.org> * ext/readline/extconf.rb (have_readline_func): readline on Mac OS X diff --git a/lib/mathn.rb b/lib/mathn.rb index 9a4cf33240..ce1acc927f 100644 --- a/lib/mathn.rb +++ b/lib/mathn.rb @@ -183,50 +183,6 @@ class Rational x ** y end end - - def power2(other) - if other.kind_of?(Rational) - if self < 0 - return Complex.__send__(:new!, self, 0) ** other - elsif other == 0 - return Rational(1,1) - elsif self == 0 - return Rational(0,1) - elsif self == 1 - return Rational(1,1) - end - - dem = nil - x = self.denominator.to_f.to_i - neard = self.denominator.to_f ** (1.0/other.denominator.to_f) - loop do - if (neard**other.denominator == self.denominator) - dem = neard - break - end - end - nearn = self.numerator.to_f ** (1.0/other.denominator.to_f) - Rational(num,den) - - elsif other.kind_of?(Integer) - if other > 0 - num = numerator ** other - den = denominator ** other - elsif other < 0 - num = denominator ** -other - den = numerator ** -other - elsif other == 0 - num = 1 - den = 1 - end - Rational(num, den) - elsif other.kind_of?(Float) - Float(self) ** other - else - x , y = other.coerce(self) - x ** y - end - end end module Math |