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Message #18818
GenericTensor::down_cast() should throw std::bad_cast instead of invoking dolfin::error
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To:
DOLFIN Mailing List <dolfin@xxxxxxxxxxxxxxxxxxx>
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From:
Florian Rathgeber <florian.rathgeber@xxxxxxxxxxxxxx>
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Date:
Sun, 01 Aug 2010 12:40:05 +0200
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Hi,
When using GenericTensor::down_cast() for a tentative down cast it would
be helpful if it would throw std::bad_alloc (as any dynamic_cast would
do) instead of invoking dolfin::error. Currently you would have to catch
std::runtime_error and check what() to distinguish a failed cast from
another dolfin::error, which is pretty inconvenient. Is there a specific
reason why it is implemented this way?
Florian
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