--- In [email protected], "Leslie_Wright" <[EMAIL PROTECTED]> wrote: > > I am coming to > accept that there just may not be a simple answer--sort of a Bermuda > triangle mystery. > >
I promised that I wouldn't bore the forum with mathematical details, but I should mention that I have been working with porting the Numerical Recipes routines for the series and continued fraction computation of the incomplete gamma functions, modified to deal just with the specific case where the error function and complementary error function are computed (interested folks will know of the relationship between these various integrals, but I can explain more if anyone cares for me to). At any rate, I stripped down my original code and compiled it under D2 as a more traditional Pascal console program with writeln, readln and whatnot, and on the Athlon 2800+ I get positively gorgeous results mathematically, even though the interface is most unattractive. (By gorgeous results I mean full or nearly full precision, off at most by 1 unit in the 18th digit due to rounding, when compared to arbitrary precision calculation of the function in Maple.) So, as the little geometric series routine suggested, D2 compiles console code that handles extended type floating point very nicely on this Athlon machine, but Windows code treats everything as double. I have said it once, I will say it again... weird! Eager as always for feedback on this mystery. Les ------------------------ Yahoo! Groups Sponsor --------------------~--> Yahoo! Groups gets a make over. See the new email design. http://us.click.yahoo.com/XISQkA/lOaOAA/yQLSAA/i7folB/TM --------------------------------------------------------------------~-> ----------------------------------------------------- Home page: http://groups.yahoo.com/group/delphi-en/ To unsubscribe: [EMAIL PROTECTED] Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/delphi-en/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
