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  • Prolog PIP-0110: Its a Floating-Point Multiverse? [Stoic Grisu versus Rest of World] (Was: Lets see what the "experts" say)

    From Mild Shock@janburse@fastmail.fm to comp.lang.prolog on Wed Apr 29 00:38:06 2026
    From Newsgroup: comp.lang.prolog

    Hi,

    Thats was fun, maybe somebody did use the Stoic Grisu,
    no delusional digits, only zeros:

    /* Dogelog Player for Java, Dogelog Player for JavaScript */

    ?- between(95,105,N), format('~6f', [pi**N]), nl, fail; true. 169526621072093600000000000000000000000000000000.000000 532583587347989900000000000000000000000000000000.000000 1673160685434943000000000000000000000000000000000.000000 5256389317637680000000000000000000000000000000000.000000 16513434064698400000000000000000000000000000000000.000000 51878483143195920000000000000000000000000000000000.000000 162981061522046250000000000000000000000000000000000.000000 512020105551926600000000000000000000000000000000000.000000 1608558602092203000000000000000000000000000000000000.000000 5053435887201532000000000000000000000000000000000000.000000 15875837058619354000000000000000000000000000000000000.000000
    true.

    /* Dogelog Player for CPython, Scryer Prolog */

    ?- between(95,105,N), format("~6f", [pi**N]), nl, fail; true. 169526621072093604906820176085840076682051977216.000000 532583587347989896682185959640830761243896709120.000000 1673160685434943094521965146828670065372972449792.000000 5256389317637679918948413843353324366868288372736.000000 16513434064698399680249672647558109095601897472000.000000 51878483143195924744806997083865846970332907307008.000000 162981061522046250302000391689502574507182910341120.000000 512020105551926606134531253131181174736461909458944.000000 1608558602092203016045060452811678201001748662845440.000000 5053435887201532208668864202632055738347047857684480.000000 15875837058619353962143820726017670908628371861667840.000000
    true.

    /* SWI-Prolog */

    ?- between(95,105,N), format('~6f', [pi**N]), nl, fail; true. 169526621072093767166097005299203468260062265344.000000 532583587347990464589654861887602631766932717568.000000 1673160685434944717114733438962303981153075331072.000000 5256389317637684462208165061327499331052576440320.000000 16513434064698415257140248252040994687090885132288.000000 51878483143195987052369299501797389336288857948160.000000 162981061522046416455499864803986687483065445384192.000000 512020105551927104595029672474633513664109514588160.000000 1608558602092204677580055183956519330760574013276160.000000 5053435887201537525580847342295547353575288979062784.000000 15875837058619369912879770145008145754313095225802752.000000
    true.

    The Prolog systems with the delusional digits made my day,
    they even don't agree in the delusional digits itself.

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