Martin mknblch
mfuerstenau
/ zigzag-encoding.README
Last active
January 10, 2025 18:36
ZigZag encoding/decoding explained
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| ZigZag-Encoding | |
| --------------- | |
| Maps negative values to positive values while going back and | |
| forth (0 = 0, -1 = 1, 1 = 2, -2 = 3, 2 = 4, -3 = 5, 3 = 6 ...) | |
| (i >> bitlength-1) ^ (i << 1) | |
| with "i" being the number to be encoded, "^" being | |
| XOR-operation and ">>" would be arithemtic shifting-operation |