Thanks for your help Hans and the pointer to the extended math library. Lots more to explore now. Best Wishes Keith
On Sat, 16 May 2020, 20:46 Hans Hagen, <j.ha...@xs4all.nl> wrote: > On 5/16/2020 4:48 PM, Keith McKay wrote: > > Answering my own problem here. > > > > I've just searched through the mailing list archives and it seems that > > if I add [instance=doublefun] I do not get the Arithmetic Overflow > > error. Joy! > fwiw, we have also instance=decimalfun > > concerning arithmic: > > in metapost we have > > scaled : upto 4K bp > double : 64 bit floats > decimal : configurable accuracy > complex : dual doubles (only in luametafun) > > in lmtx lua we have: > > integer : lua tries to be clever but mixing leads to double > float : lua tries to be clever > decimal : userdata arbitrary precision (only in lmtx) > complex : userdata dual doubles (only in lmtx) > > (in lmtx we have an extended math library and these function are also > available in luametafun) > > Hans > > ----------------------------------------------------------------- > Hans Hagen | PRAGMA ADE > Ridderstraat 27 | 8061 GH Hasselt | The Netherlands > tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl > ----------------------------------------------------------------- >
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