I don’t think that casting a range of bits as some other arbitrary type “is a bug nobody sees coming”.
C++ compilers also warn you that this is likely an issue and will fail to compile if configured to do so. But it will let you do it if you really want to.
That’s why I love C++
//what the fuck?
https://en.m.wikipedia.org/wiki/Fast_inverse_square_root
They know. It’s a comment from the code.