method

asin

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asin(z) public

Returns the arc sine of z

CMath.asin(1 + 1i) #=> (0.6662394324925153+1.0612750619050355i)

Show source

# File lib/cmath.rb, line 265
  def asin(z)
    begin
      if z.real? and z >= -1 and z <= 1
        RealMath.asin(z)
      else
        (-1.0).i * log(1.0.i * z + sqrt(1.0 - z * z))
      end
    rescue NoMethodError
      handle_no_method_error
    end
  end

asin

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