I want to produce a morton key for 32bit and 64bit and 128bit, with optimal code! What’s the solution?
Produce interleaving bit patterns (morton keys) for 32 bit , 64 bit and 128bit
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Here is my solution with a python script:
I took the hint from in his comment: Fabian “ryg” Giesen
Read the long comment below! We need to keep track which bits need to go how far!
Then in each step we select these bits and move them and apply a bitmask (see comment last lines) to mask them!
Bit mask builder output of python script (see below) for a 10bit number and 2 interleaving bits (for 32 bit):
So for a 10bit number and 2 interleaving bits (for 32 bit), you need to do the following!:
And for a 21bit number and 2 interleaving bits (for 64bit), you need to do the following!:
And for a 42bit number and 2 interleaving bits (for 128bit), you need to do the following ( in case you need it ;-)) :
Python Script to produce and check the Interleaving Patterns!!!