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
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