[fpc-devel] Extended type

[Florian Klämpfl]

Am 20.04.2011 11:26, schrieb Michael Schnell:
> On 04/19/2011 03:14 PM, Florian Klaempfl wrote:
>> Using extended typically hides only bad numerical algorithms. There
>> might be some corner cases where extended is usefull but I general I
>> think it's a matter of bad algorithms.
> Doing things like Matrix inversion of course is a good example that a
> better algorithm helps more that increasing the numeric resolution. But
> OTOH, when the algorithm is perfect, increased resolution still will
> give better results.

As said in my other answer, it is quite likely that using extended
precision increases also computation time, so better result is relative.