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Re: Problems with BESSELJ

by Regina Henschel :: Rate this Message:

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Hi Eike,

Eike Rathke schrieb:
> Hi Regina,
>
> On Tuesday, 2009-06-30 23:34:27 +0200, Regina Henschel wrote:

>>> What is "large" and what is "long lasting"?
>> I would have to implement it in C++ to see how long it really lasts. The  
>> Basic macro lasts several seconds for x>10000. The effort is linear in x.
>
> Basic of course is some orders of magnitude slower than C++.

I have attached a draft patch to issue 40309. You can use it to test the
performance. On my PC a single calculation with x=5000000 lasts about 1
second.

kind regards
Regina

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