diff options
Diffstat (limited to 'lib/complex.rb')
-rw-r--r-- | lib/complex.rb | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/complex.rb b/lib/complex.rb index 9300f391e8..fbf50ffece 100644 --- a/lib/complex.rb +++ b/lib/complex.rb @@ -102,6 +102,8 @@ class Complex < Numeric @RCS_ID='-$Id: complex.rb,v 1.3 1998/07/08 10:05:28 keiju Exp keiju $-' undef step + undef div, divmod + undef floor, truncate, ceil, round def Complex.generic?(other) # :nodoc: other.kind_of?(Integer) or @@ -194,6 +196,10 @@ class Complex < Numeric end end + def quo(other) + Complex(@real.quo(1), @image.quo(1)) / other + end + # # Raise this complex number to the given (real or complex) power. # @@ -409,8 +415,34 @@ class Complex < Numeric end +class Integer + + unless defined?(1.numerator) + def numerator() self end + def denominator() 1 end + + def gcd(other) + min = self.abs + max = other.abs + while min > 0 + tmp = min + min = max % min + max = tmp + end + max + end + + def lcm(other) + if self.zero? or other.zero? + 0 + else + (self.div(self.gcd(other)) * other).abs + end + end + end +end module Math alias sqrt! sqrt |