I'm debugging the adaptive machinery and I'm seeing some strange behaviour.
Take a look at the following simple test code: from dolfin import * mesh = UnitSquare(2, 2) V = FunctionSpace(mesh, "CG", 1) print v = Function(V) print v.function_space() print v.function_space() I would expect that the FunctionSpace constructor is called only once. But it seems to be called three times. Once at the top as expected and then every time function_space() is called: Debug: creating function space [at dolfin/function/FunctionSpace.cpp:42 in FunctionSpace()] this = 0x335e190 registering V = 0x335e190 Debug: creating function [at dolfin/function/Function.cpp:49 in Function()] V = 0x335e190 registering v = 0x33622d0 for V = 0x335e218 Debug: creating function space [at dolfin/function/FunctionSpace.cpp:64 in FunctionSpace()] this = 0x336c420 registering V = 0x336c420 Debug: creating function space [at dolfin/function/FunctionSpace.cpp:64 in FunctionSpace()] this = 0x336c420 registering V = 0x336c420 Is this expected? Note that the constructor is called three times but the pointer (this) is the same in the two last calls. -- Anders
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