method

asin

v2_5_5 - Show latest stable - 0 notes - Class: CMath

1_8_6_287
1_8_7_72
1_8_7_330
1_9_1_378
1_9_2_180
1_9_3_125 (0)
1_9_3_392 (0)
2_1_10 (38)
2_2_9 (0)
2_4_6 (0)
2_5_5 (0)
2_6_3 (0)
What's this?

asin(z) private

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

Related methods