Added faster magicbits 2D method for 64-bit morton codes. More info: https://gist.github.com/JarkkoPFC/0e4e599320b0cc7ea92df45fb416d79a
Added faster magicbits 2D method for 64-bit morton codes. More info: https://gist.github.com/JarkkoPFC/0e4e599320b0cc7ea92df45fb416d79a

Forceflow/libmorton