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Doing some tests with bitwise operations / shifting with JavaScript
0x80000000 >> 1 // returns -1073741824 (-0x40000000)
I would expect that to return 0x40000000 since
0x40000000 >> 1 // returns 0x20000000
0x20000000 >> 1 // returns 0x10000000
Its an arithmetic shift that’s why the sign is preserved, to do a logical shift use
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