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Bob Badour <bbadour_at_pei.sympatico.ca> wrote:
>Gene Wirchenko wrote:
>
>> Bob Badour <bbadour_at_pei.sympatico.ca> wrote:
>>
>>>Gene Wirchenko wrote:
>>>
>>>>Bob Badour <bbadour_at_pei.sympatico.ca> wrote:
>>>>
>>>>[snip]
>>>>
>>>>>I admit I used epsilon somewhat sloppily and not necessarily with the
>>>>>exact meaning used when discussing a particular floating-point
>>>>>implementation. I used it to mean the distance to the representable
>>>>>predecessor or successor of any representable rational value.
>>>>
>>>> That is incorrect. It is per
>>>> http://en.wikipedia.org/wiki/Machine_epsilon
>>>>In a floating-point system, epsilon is the smallest number such that
>>>> 1 + epsilon > 1
>>>>
>>>>[snip]
>>>
>>>When you say the above is incorrect, are you saying I was not using
>>>epsilon sloppily? Or are you saying I didn't use it to mean the distance
>>>to the representable predecessor or successor of any representable
>>>rational value?
>>
>> The definition of epsilon.
>
>Other than the "scaled by the exponent" bit, what exactly is the
>difference? ie. If I subtracted one from the other, what answer would I get?
If I am understanding you, other than that difference, none. The answer would be garbage.
Sincerely,
Gene Wirchenko
Computerese Irregular Verb Conjugation:
I have preferences. You have biases. He/She has prejudices.Received on Thu Mar 29 2007 - 11:31:59 CDT