tadf	2008-04-05 23:26:43 +0900 (Sat, 05 Apr 2008)

  New Revision: 15907

  Modified files:
    trunk/lib/complex.rb

  Log:
    lib/complex.rb depends lib/cmath.rb.


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/lib/complex.rb?r1=15907&r2=15906&diff_format=u

Index: lib/complex.rb
===================================================================
--- lib/complex.rb	(revision 15906)
+++ lib/complex.rb	(revision 15907)
@@ -1,227 +1,3 @@
 require 'cmath'
 
 Math = CMath
-
-=begin
-module Math
-
-  alias exp! exp
-  alias log! log
-  alias log10! log10
-  alias sqrt! sqrt
-
-  alias sin! sin
-  alias cos! cos
-  alias tan! tan
-
-  alias sinh! sinh
-  alias cosh! cosh
-  alias tanh! tanh
-
-  alias asin! asin
-  alias acos! acos
-  alias atan! atan
-  alias atan2! atan2
-
-  alias asinh! asinh
-  alias acosh! acosh
-  alias atanh! atanh
-
-  def exp(z)
-    if Complex.generic?(z)
-      exp!(z)
-    else
-      Complex(exp!(z.real) * cos!(z.image),
-	      exp!(z.real) * sin!(z.image))
-    end
-  end
-
-  def log(*args)
-    z, b = args
-    if Complex.generic?(z) and z >= 0 and (b.nil? or b >= 0)
-      log!(*args)
-    else
-      r, theta = z.polar
-      a = Complex(log!(r.abs), theta)
-      if b
-	a /= log(b)
-      end
-      a
-    end
-  end
-
-  def log10(z)
-    if Complex.generic?(z)
-      log10!(z)
-    else
-      log(z) / log!(10)
-    end
-  end
-
-  def sqrt(z)
-    if Complex.generic?(z)
-      if z >= 0
-	sqrt!(z)
-      else
-	Complex(0,sqrt!(-z))
-      end
-    else
-      if z.image < 0
-	sqrt(z.conjugate).conjugate
-      else
-	r = z.abs
-	x = z.real
-	Complex(sqrt!((r + x) / 2), sqrt!((r - x) / 2))
-      end
-    end
-  end
-
-  def sin(z)
-    if Complex.generic?(z)
-      sin!(z)
-    else
-      Complex(sin!(z.real) * cosh!(z.image),
-	      cos!(z.real) * sinh!(z.image))
-    end
-  end
-
-  def cos(z)
-    if Complex.generic?(z)
-      cos!(z)
-    else
-      Complex(cos!(z.real) * cosh!(z.image),
-	      -sin!(z.real) * sinh!(z.image))
-    end
-  end
-
-  def tan(z)
-    if Complex.generic?(z)
-      tan!(z)
-    else
-      sin(z)/cos(z)
-    end
-  end
-
-  def sinh(z)
-    if Complex.generic?(z)
-      sinh!(z)
-    else
-      Complex(sinh!(z.real) * cos!(z.image),
-	      cosh!(z.real) * sin!(z.image))
-    end
-  end
-
-  def cosh(z)
-    if Complex.generic?(z)
-      cosh!(z)
-    else
-      Complex(cosh!(z.real) * cos!(z.image),
-	      sinh!(z.real) * sin!(z.image))
-    end
-  end
-
-  def tanh(z)
-    if Complex.generic?(z)
-      tanh!(z)
-    else
-      sinh(z) / cosh(z)
-    end
-  end
-
-  def asin(z)
-    if Complex.generic?(z) and z >= -1 and z <= 1
-      asin!(z)
-    else
-      -1.0.im * log(1.0.im * z + sqrt(1.0 - z * z))
-    end
-  end
-
-  def acos(z)
-    if Complex.generic?(z) and z >= -1 and z <= 1
-      acos!(z)
-    else
-      -1.0.im * log(z + 1.0.im * sqrt(1.0 - z * z))
-    end
-  end
-
-  def atan(z)
-    if Complex.generic?(z)
-      atan!(z)
-    else
-      1.0.im * log((1.0.im + z) / (1.0.im - z)) / 2.0
-    end
-  end
-
-  def atan2(y,x)
-    if Complex.generic?(y) and Complex.generic?(x)
-      atan2!(y,x)
-    else
-      -1.0.im * log((x + 1.0.im * y) / sqrt(x * x + y * y))
-    end
-  end
-
-  def acosh(z)
-    if Complex.generic?(z) and z >= 1
-      acosh!(z)
-    else
-      log(z + sqrt(z * z - 1.0))
-    end
-  end
-
-  def asinh(z)
-    if Complex.generic?(z)
-      asinh!(z)
-    else
-      log(z + sqrt(1.0 + z * z))
-    end
-  end
-
-  def atanh(z)
-    if Complex.generic?(z) and z >= -1 and z <= 1
-      atanh!(z)
-    else
-      log((1.0 + z) / (1.0 - z)) / 2.0
-    end
-  end
-
-  module_function :exp!
-  module_function :exp
-  module_function :log!
-  module_function :log
-  module_function :log10!
-  module_function :log10
-  module_function :sqrt!
-  module_function :sqrt
-
-  module_function :sin!
-  module_function :sin
-  module_function :cos!
-  module_function :cos
-  module_function :tan!
-  module_function :tan
-
-  module_function :sinh!
-  module_function :sinh
-  module_function :cosh!
-  module_function :cosh
-  module_function :tanh!
-  module_function :tanh
-
-  module_function :asin!
-  module_function :asin
-  module_function :acos!
-  module_function :acos
-  module_function :atan!
-  module_function :atan
-  module_function :atan2!
-  module_function :atan2
-
-  module_function :asinh!
-  module_function :asinh
-  module_function :acosh!
-  module_function :acosh
-  module_function :atanh!
-  module_function :atanh
-
-end
-=end

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