[fpc-devel] [patch] ucomplex cln() bug

[Florian Klaempfl]

Dimitrios Apostolou schrieb:
> On Friday 04 August 2006 07:58, Dimitrios Apostolou wrote:
>> OK, I conclude. My symptoms are:
> 
> I forgot to mention here that z=0
> 
>> z**3-2=                                  NanNani
>> z*z*z-2=             -2.000000000000000E+000
>>
>> After digging a bit I realized that this is not a problem of uComplex, but
>> a problem of math unit. In particular exp(-Inf) returns NaN, where it
>> should return 0. 
> 
> Hasn't anybody else the same problem? Who wrote the initial implementation for 
> fpc_exp_real?

Which one :)? E.g. which platform?

> 
>> Unfortunately I got really lost when studying the 
>> fpc_exp_real implementation, and when I saw that the actually used version
>> is in assembly I just gave up!

i386?

>>
>> Any ideas of how it can be fixed?
>>
>>
>> Thanks in advance,
>> Dimitris
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