4 ms·If it just needs atan2, it is not in the category described by the comment that you're replying to.by mirashii 9y agoIf it just needs atan2, it is not in the category described by the comment that you're replying to.agnivade 9y agoSorry, I might have misunderstood something. But OP said - " if you are computing sin/cos after atan2,", and I don't need any sin/cos computation after atan2. Just the atan2.recursive 9y agoRight, so your situation doesn't fit the condition being described.