Hi, Which version of guile do you use, I get the correct value for guile 2.0.5.91-de6d8
/Stefan On Thu, Nov 29, 2012 at 9:42 AM, Jozef Chraplewski <[email protected]>wrote: > Hi, > > It looks that guile returns incorrect results when it works with really > big numbers. > > I've found it during resolving problem 48 from Project Euler: > > http://projecteuler.net/problem=48 > > The solution is trivial: > > (define (problem-48 limit) > (define (F) > (let loop ((n 1) > (sum 0)) > (if (<= n limit) > (loop (+ n 1) (+ sum (expt n n))) > sum))) > > (let* ((str (number->string (F))) > (len (string-length str))) > (substring str (- len 10) len))) > > (display (problem-48 1000)) > (newline) > > > The proper answer is 9110846700 but guile returns 6457854188 > > I've tested solution under other scheme implementations (MIT scheme, > petite and mzscheme) and it works as it should. > > Does such a big numbers in guile require any special treatment or just > they are not supported? > > Best, > Jozef > > >
