Comment on Equality

lowleveldata@programming.dev ⁨4⁩ ⁨months⁩ ago

• FuglyDuck@lemmy.world ⁨4⁩ ⁨months⁩ ago

  If

  1 x 0 = 0

  And

  2 x 0 = 0

  Then 1 = 2.

  And this folks is why you don’t hire “math teachers” because he was successful football coach. It took him way too long to realize this is why we don’t divide by zero, (more than a week, actually.)

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• barsoap@lemm.ee ⁨4⁩ ⁨months⁩ ago

  Fun fact: C doesn’t even guarantee a + b == a + b

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  • lowleveldata@programming.dev ⁨4⁩ ⁨months⁩ ago

    *If a and b are float

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    • barsoap@lemm.ee ⁨4⁩ ⁨months⁩ ago

      Or signed integers because overflow is undefined.

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  • zea_64@lemmy.blahaj.zone ⁨4⁩ ⁨months⁩ ago

    C doesn’t even guarantee a == a

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  • Viking_Hippie@lemmy.world ⁨4⁩ ⁨months⁩ ago

    That’s decidedly unfun and headhurty for those of us less mathemstically inclined. Also so deep into the theoretical weeds that I’m not sure that “fact” applies…

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    • barsoap@lemm.ee ⁨4⁩ ⁨months⁩ ago

      One night I dreamt about the new C standard. It was a tome of ten thousand pages, in dense, tiny, font, three columns of text on each page, and it was headings and sub-headings interspersed with nothing but either “undefined” or “implementation-defined”.

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