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convert from long to float

Rudi van Scahlkwyk

Hi guys,

I need to convert a 32 bit value(long) to a 32 bit float. Unfortunately there is no itof function in C and wikipedia does not give a simple solution.

Casting simply does not do the conversion correctly, is there a simple way of doing this conversion?

Thanks

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    C will automatically convert from an integer to a float.

    What do you say "does not do the conversion correctly"?

    Note that a 32-bit float has a larger supported range, but instead has a smaller resolution, i.e. all values in a 32-bit integer will not be possible to represent in a 32-bit float - some integer values will be rounded to another integer value.

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    C will automatically convert from an integer to a float.

    What do you say "does not do the conversion correctly"?

    Note that a 32-bit float has a larger supported range, but instead has a smaller resolution, i.e. all values in a 32-bit integer will not be possible to represent in a 32-bit float - some integer values will be rounded to another integer value.

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