Currently the documentation of f64::min refers to "IEEE-754 2008" while the documentation of
f64::minimum refers to "IEEE 754-2019".
Note that one has the format IEEE,hyphen,number,space,year while the other is
IEEE,space,number,hyphen,year. The official IEEE site [1] uses the later format and it is also the
one most commonly used throughout the codebase.
Update all comments and - more importantly - documentation to consistently use the official format.
[1] https://standards.ieee.org/ieee/754/4211/
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