What is the minimum precision allowed for floats.

Vincent Diepeveen diep at xs4all.nl
Sun Sep 28 23:20:56 CEST 2008


from head i'd say a float has 23 bits precision for mantissa and a  
double about 53.

divide by  log10/log2 to get the number of digits accuracy.


On Sep 28, 2008, at 10:47 PM, Joel Kronander wrote:

> Hi
> I have a question regading the possible minimun precision for floats.
> For example is it possible to use a precision between native c  
> float and double
> ie precision digits between 6-15 for exmample.
> /best regards Joel Kronander
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