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Float hex representation

Joseph Boruch
Prodigy 180 points


Hi all, This might be a silly problem, but I'm stumped. I'm trying to save floats to my FRAM memory. The floats are calculated correctly but they end up backwards. For example 110 is 0x42DC0000 in hex but it's saving as 0x0000DC42 Any thoughts on how to fix this? Thanks!
  • 0
    Guru 58965 points

    Which end do you crack your boiled egg first? The big end or the small end?

    Ever heard about Lilliput and Blefuscu? About Big-Endian and Little-Endian? It may be silly, but they fought a war over this.

  • 0
    Guru 227245 points

    Joseph Boruch said:
    For example 110 is 0x42DC0000 in hex but it's saving as 0x0000DC42

    If reality doesn't fit your imagination, change your imagination and do not try to change reality. The first will make you smarter, the second will make you mad.

    It doesn't matter how floats are saved. As long as the compiler knows how they are saved and how they are used. 'float' is a type. As such, it is atomic and you shouldn't make any assumptions about implementation. Or storage. If you care, write in a low-level language like assembly language.

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