628
I predict that this post will get approximately 01000011100101100000000000000000 upvotes
(lemmy.world)
this post was submitted on 19 Dec 2024
628 points (96.7% liked)
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For those who are curious, that's the IEEE 754 representation of the number 300.
Sigh, and I wanted to reply with
It's over 01000110000011001010000000000000!
Man that’s a big factorial
That was a very good guess!
What? Why?
Each section of the binary number represents a different component needed to construct the number 300. It uses clever math to be able to represent decimals. It's like asking you whether a number is positive or negative, then the position of the decimal point, then what the digits are.
Specifically…
The first 0 means the number is positive. The number formed by the next eight bits (the exponent) and the number from the remaining bits (the mantissa) multiply to get 300.
The exponent bits choose the value of N in the formula 2^N-127^ . For the mantissa, we start with the number 1, then each "1" bit starting from the left adds to it 0.5, then 0.25, and so on. Specifically, we have 2^8^×1.171875.
Aaaaaaaaaghhhh bitwise arithmetic aaaaaahhhhffggffg it's all coming back YOU DON'T KNOW WHAT YOU'VE UNLEASHED KHGHHAAAA
But thank you for the explanation