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hyzhak/binary.js

Last active September 13, 2018 22:57
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limitations of binary operations in js
Raw
binary.js
// Binary shifting
1 << 30
// 1073741824
1 << 31
// -2147483648
1 << 32
// 1
// Power
Math.pow(2, 30)
// 1073741824
Math.pow(2, 31)
// 2147483648
Math.pow(2, 32)
// 4294967296
// In other words
1 << 32 === Math.pow(2, 32)
// false
Raw
binary.py
# as you can see python doesn't have such limitations for binary operation
# and sometimes you may prefer to process your binary data inside of python then in js
1 << 1024
# 179769313486231590772930519078902473361797697894230657273430081157732675805500963132708477322407536021120113879871393357658789768814416622492847430639474124377767893424865485276302219601246094119453082952085005768838150682342462881473913110540827237163350510684586298239947245938479716304835356329624224137216
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