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2000-01-17

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@606 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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matz 2000-01-17 08:37:53 +00:00
parent e43877719b
commit dde62bcd2e
21 changed files with 391 additions and 256 deletions
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32
lib/complex.rb
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@ -20,7 +20,7 @@
# Complex::/
# Complex::**
# Complex::%
# Complex::divmod
# Complex::divmod -- obsolete
# Complex::abs
# Complex::abs2
# Complex::arg
@ -51,6 +51,12 @@
def Complex(a, b = 0)
if a.kind_of?(Complex) and b == 0
a
elsif b.kind_of?(Complex)
if a.kind_of?(Complex)
Complex(a.real-b.image, a.image + b.real)
else
Complex(a-b.image, b.real)
end
elsif b == 0 and defined? Complex::Unify
a
else
@ -181,18 +187,18 @@ class Complex < Numeric
end
end
def divmod(other)
if other.kind_of?(Complex)
rdiv, rmod = @real.divmod(other.real)
idiv, imod = @image.divmod(other.image)
return Complex(rdiv, idiv), Complex(rmod, rdiv)
elsif Complex.generic?(other)
Complex(@real.divmod(other), @image.divmod(other))
else
x , y = other.coerce(self)
x.divmod(y)
end
end
# def divmod(other)
# if other.kind_of?(Complex)
# rdiv, rmod = @real.divmod(other.real)
# idiv, imod = @image.divmod(other.image)
# return Complex(rdiv, idiv), Complex(rmod, rmod)
# elsif Complex.generic?(other)
# Complex(@real.divmod(other), @image.divmod(other))
# else
# x , y = other.coerce(self)
# x.divmod(y)
# end
# end
def abs
Math.sqrt!((@real*@real + @image*@image).to_f)