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OK, yes I see that.Originally Posted by mackrackit
The difference should be smaller than a WORD so if you do the average of a couple you should not need 32 bit math. If it does over flow the WORD then I think that would be telling you that the difference is larger enough to... make a difference
Is there any drawback to averaging the difference between the numbers rather than the total of the numbers ?
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It sounds like you are after a relative measurement and not concerned withnthe actual so averaging the difference should be fine.
Are you thinking the Difference values will be small enough to use more samples in the average? Should be on target then.
Dave
Always wear safety glasses while programming.
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