Affine transforms - matrix algebra: equals

Kirill.Prazdnikov kirill.prazdnikov at
Thu Aug 23 09:29:03 PDT 2012

Hi Pavel

On 8/21/2012 10:05 PM, Pavel Safrata wrote:
> The errbound is a double wich says that particular elements can differ 
> by its value to be considered "equal", right? Or should it rather be 
> some multiplicative coefficient? 

I have been using "number of equal mantissa bits ( assuming the floating 
point power component are equal)" when I measure FP equality.
This allows to "equally" compare numbers with different exponent.


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