I think by Cauchys theorem it doesn ' t matter which contour you pick as long as its continuous as you can deform one to the other reference 246 anotes 3 c a u c h y s theoremanditsconsequences . So maybe just parameterise a straight line from 4 , 0 to 0 , 1 , rephrase this in complex terms and then integrate as you know how to on a contour . <| sep |> Very well written and does a great job or bringing the evidence to the table . SN broadcasts are a chore to sit through when there ' s no actual on ice play happening and even then , between the shitty commentary and the lack of crowd volume , its not good . <| sep |> I just roll backwards , spin the camera as your rolling and you ' ll pop up facing the right way and moving that way . It ' s effectively instant 180 direction change