You might be able to get the info by running your javascript from a shell command. Here is a link that might be of help;
https://stackoverflow.com/questions/12659778/is-it-possible-to-run-javascript-files-from-the-command-line JB > On Mar 22, 2021, at 9:05 AM, jbv via use-livecode > <use-livecode@lists.runrev.com> wrote: > > Hi Craig, > > Thank you for the link, but it doesn't help much : > > bigDivide(-0.0000007347880794884118999,1000000000) > returns 0 , -0.000001 > > what I'm actually trying to do is to transpose in LC > an algo for solving cubic equations that runs perfectly > in javascript. > So my solution will finally be to multiply data by 10^6, > run the algo, and then divide the results by 10^6 by > treating them as strings and moving the dot... > It's not really elegant and especially quite slow, as I > need to process large amounts of data and am not sure > that I'll be able to use LC for that project (which is > so far only a prototype). > > I don't mean to start another endless thread on this topic, > but one thing puzzles me though : I understand that LC doesn't > use decimal numbers for internal calculations for reasons > of speed, but then how come does js perform high precision > calculations without any speed issues ? > > Best > > Le 2021-03-22 09:41, Craig Newman via use-livecode a écrit : >> Check out this thread in the forum: >> https://forums.livecode.com/viewtopic.php?f=7&t=25132&p=130985&hilit=longadd#p130985 >> <https://forums.livecode.com/viewtopic.php?f=7&t=25132&p=130985&hilit=longadd#p130985> >> Craig >>>> On Mar 21, 2021, at 7:34 AM, jbv via use-livecode >>>> <use-livecode@lists.runrev.com> wrote: >>> Paul, Sean, >>> Thank you both for your answers, although it doesn't really solve my >>> problem. >>> The most surprising thing is that javascript runs these calculations without >>> problem : >>> (-0.0000007347880794884118999 / 1000000000) returns -7.347880794884119e-16 >>> (-0.0000007347880794884118999 / 1000000000000) returns >>> -7.347880794884119e-19 >>> Best >>> Le 2021-03-21 07:11, Sean Cole (Pi) via use-livecode a écrit : >>>> Livecode can handle floating point numbers up to 2^52. But then >>>> calculations would have to fit within that range in a floating point >>>> perspective too. So, once you add that ninth zero to the end of your >>>> divider, it struggles with the calculation and returns, effectively, number >>>> out of range. >>>> Fractions in FP binary are tremendously complicated. Calculation in it are >>>> even more so. >>>> https://www.h-schmidt.net/FloatConverter/IEEE754.html >>>> On Sat, 20 Mar 2021 at 20:23, Paul Dupuis via use-livecode < >>>> use-livecode@lists.runrev.com> wrote: >>>>> I don't have an answer, other than to say there has been a LOT of >>>>> discussion over the years about the limits of number precision in >>>>> LiveCode and a number of enhancement requests and 3rd party libraries >>>>> that have attempted to provide a framework for high precision math. You >>>>> might search the list archives or search the forum on the LC web site >>>>> for past discussions about number precision. >>>>> On 3/20/2021 3:06 PM, jbv via use-livecode wrote: >>>>> > Hi list, >>>>> > I am a bit lost : >>>>> > >>>>> > set numberformat to ".#########################" >>>>> > put -0.0000007347880794884118999 / 1000 >>>>> > -- returns -0.0000000007347880794884119 which is ok >>>>> > >>>>> > put -0.0000007347880794884118999 / 1000000 >>>>> > -- returns -0.0000000000007347880794884 -> also ok >>>>> > >>>>> > put -0.0000007347880794884118999 / 100000000 >>>>> > -- returns -0.0000000000000073478807949 -> still ok >>>>> > >>>>> > put -0.0000007347880794884118999 / 1000000000 >>>>> > -- returns 0 -> ????? >>>>> > >>>>> > Any explanations ? >>>>> > Thanks in advance. >>>>> > Best, >>>>> > jbv >>>>> > >>>>> > _______________________________________________ >>>>> > use-livecode mailing list >>>>> > use-livecode@lists.runrev.com >>>>> > Please visit this url to subscribe, unsubscribe and manage your >>>>> > subscription preferences: >>>>> > http://lists.runrev.com/mailman/listinfo/use-livecode >>>>> _______________________________________________ >>>>> use-livecode mailing list >>>>> use-livecode@lists.runrev.com >>>>> Please visit this url to subscribe, unsubscribe and manage your >>>>> subscription preferences: >>>>> http://lists.runrev.com/mailman/listinfo/use-livecode >>> _______________________________________________ >>> use-livecode mailing list >>> use-livecode@lists.runrev.com >>> Please visit this url to subscribe, unsubscribe and manage your >>> subscription preferences: >>> http://lists.runrev.com/mailman/listinfo/use-livecode >> _______________________________________________ >> use-livecode mailing list >> use-livecode@lists.runrev.com >> Please visit this url to subscribe, unsubscribe and manage your >> subscription preferences: >> http://lists.runrev.com/mailman/listinfo/use-livecode > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode