method

exp

v2_6_3 - Show latest stable - 0 notes - Class: CMath

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What's this?

exp(z) public

Math::E raised to the z power

CMath.exp(1.i * Math::PI) #=> (-1.0+1.2246467991473532e-16i)

Show source

# File lib/cmath.rb, line 62
  def exp(z)
    begin
      if z.real?
        RealMath.exp(z)
      else
        ere = RealMath.exp(z.real)
        Complex(ere * RealMath.cos(z.imag),
                ere * RealMath.sin(z.imag))
      end
    rescue NoMethodError
      handle_no_method_error
    end
  end

exp

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