SWIG 3.0 was just released with some backward incompatible changes to the bool typemap.
Previously the typemap just checked if a Python object could be evaluated as a bool. Several different classes implement such conversion also dolfin making: info(mesh, FunctionSpace(mesh, "CG", 1)) perfectly valid. Now one can only pass var for which: isinstance(var, bool) return True. As a general comment I think this is good, but it also make other more handy user cases fails, like numpy.bool_ and python int. The former is used in the inside method of SubDomain (x[0]<0.5) and the latter in a typical call to info(parameters, 1). I suggest we extend the typemap for SWIG 3.0 to also include numpy.bool_ but I am reluctant to make info(parameters, 1) work. Users could easily update there practice to write info(parameters, True) Any comments? Johan
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