It looks like it is a bug in Constant. The constant eval(x,v) should be overloaded in that class, not the eval(x,v,c) method.
It should be an easy fix, but would you mind filing a bug? Johan _______________________________________________ Mailing list: https://launchpad.net/~dolfin Post to : dolfin@lists.launchpad.net Unsubscribe : https://launchpad.net/~dolfin More help : https://help.launchpad.net/ListHelp