https://svn.lrde.epita.fr/svn/oln/branches/cleanup-2008/milena/sandbox Index: ChangeLog from Alexandre Abraham &lt;abraham(a)lrde.epita.fr&gt; Fix bad comparison sign. * markov/markov.hh: . markov.hh | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) Index: markov/markov.hh --- markov/markov.hh (revision 2910) +++ markov/markov.hh (working copy) @@ -26,10 +26,10 @@ mln_niter(N) n(nbh, p); for_all(n) { - diff_sum += abs(out(p) - out(n)); + diff_sum += abs(xi - out(n)); } - return u + 100 * diff_sum; + return u + 0.25 * diff_sum; } template <typename I, typename N> // I == int_u8 @@ -66,9 +66,9 @@ double d_u = up - u; double proba = exp(-d_u / temp); - // std::cout << "Difference : " << d_u << std::endl; + // std::cout << "u : " << u << " up : " << up << "Difference : " << d_u << std::endl; - if (d_u < 0 || !gradient && (p_random.get() < proba)) + if (d_u < 0 || !gradient && (p_random.get() > proba)) { out(p) = v; modifications ++;