this post was submitted on 01 Jul 2025
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Computer science: 2+2=4 (for integers at least; try this with floating point numbers at your own peril, you absolute fool)
Freshmen engineer: wow floating point numbers are great.
Senior engineer: actually the distribution of floating point errors is mindfuck.
Professional engineer: the mean error for all pairwaise 64 bit floating point operations is smaller than the Planck constant.
0.1 + 0.2 = 0.30000000000000004
comparing floats for exact equality should be illegal, IMO