Accurate Bernoulli numbers on the 41C, or "how close can you get"?

03152014, 07:17 PM
Post: #14




RE: Accurate Bernoulli numbers on the 41C, or "how close can you get"?
(03152014 06:12 PM)Dieter Wrote: but it does not answer the question regarding the accuracy of the 13digit internal functions of the HP41There's most probably no information available concerning this question. Thus there is much to do. I suggest to use the trace which is available in Nonpareil to figure out the 13digit internal results of the operations you are interested in. You probably have some corner cases already in mind such as cos(x) close to \(\frac{\pi}{2}\) or ln(x) close to 1. Or maybe the SDK41 provides a decent debugger? Let me know if you need detailed instructions. IIRC Nonpareil doesn't support tracing out of the box. You have to compile it setting the option has_debugger_gui. Cheers Thomas 

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