Comment 10 for bug 645662

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Arno Wagner (arno-wagner) wrote :

That explains it. For most operations that approach works well as basically nobody uses the 80 bit formats directly anyways. Unfortunately asinh() is very badly conditioned in the region tested and it is not enough.

A possible approach to fix this would be to use long double (128 bit) were available instead of just double and to document this limitation for double.