Message from C, C++ discussions

November 2019

— Most of the time you work with some kind of analogy
for example you want to measure some kind of distance between some things, where on earth would you need ultra perfect precision to idk the 50st digit

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At some point you may have to say which, of two transactions that came at about the same nanosecond, happened first and who will be able to buy something when it is cheap leaving the other in the dirt

— Practically, it wont matter if you use pi with 50 digit accuracy or 100 digit accuracy

— If youre doing some kind of manufacturing

— To quote Andrei Alexandrescu: "Write your code like you are going to defend it before court because that may happen some day"

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— Well, floating point calculations are by design very imprecise when you are out of -1 <x < 1

— Thats not what im about

— Sometimes accuracy is important

— There are for sure ways of actually using some number up to the 50st digit

— Do you know what happens in my database if two transactions happen "at the same time" for example ?

— Nope, but im certain you will tell me 😏

— Nothing