In the book - Linux Device Drivers, the author says the kernel code cannot do floating arithmetic at page 42. How does operating system do floating arithmetic without being supported by the kernel? I think, probably, I misunderstand the author. Can anyone explain it to me?
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1Pretty good explanation here: http://stackoverflow.com/questions/13886338/use-of-floating-point-in-the-linux-kernel – Peter L. Aug 12 '13 at 17:30