Thanks to all. I speak Linux and sadly Winders 10 these days. I do have a MacBookPro that I got for IOS development years ago, but its old and way too slow.
My fundamental problem was a NaN. Added a check and all is fine. Thanks -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.