--- crrcsim-0.9.9.orig/windfield.cpp	Thu Mar 20 21:28:56 2008
+++ crrcsim-0.9.9/windfield.cpp	Sun Nov  2 14:12:42 2008
@@ -385,7 +385,7 @@
     if (dDensity > dDensityMax)
       dDensity = dDensityMax;
 
-    num_thermals = (int)(pow(occupancy_grid_size*occupancy_grid_res,2)*
+    num_thermals = (int)(pow((double)occupancy_grid_size*occupancy_grid_res,2)*
                          dDensity);
   }