From: hackbard <hackbard>
Date: Mon, 26 May 2003 21:24:10 +0000 (+0000)
Subject: e^0 = 1 ...
X-Git-Url: https://hackdaworld.org/gitweb/?p=physik%2Fising.git;a=commitdiff_plain;h=547d34486c23b434ce7c071702ae4a6f03dcba68

e^0 = 1 ...
---

diff --git a/ising.c b/ising.c
index e1444d8..0b34233 100644
--- a/ising.c
+++ b/ising.c
@@ -153,7 +153,7 @@ int main(int argc, char **argv)
    if((*(atom+((max_x+x_c-1)%max_x)+y_c*max_x))&1) ++count_p;
    if(((*(atom+x_c+y_c*max_x))&1)==0) count_p=4-count_p;
    delta_e=(2*count_p-4)*s;
-   if(delta_e<0) *(atom+x_c+y_c*max_x)=(*(atom+x_c+y_c*max_x)+1)&1;
+   if(delta_e<=0) *(atom+x_c+y_c*max_x)=(*(atom+x_c+y_c*max_x)+1)&1;
    else
    {
     if(1.0*rand()/RAND_MAX<exp(-1.0*delta_e*beta))