Hello Wolfgang
I change to
MappingFEField<dim,dim,TrilinosWrappers::MPI::Vector> map(dh_euler,
euler_vector);
But I get a linking error
Undefined symbols for architecture x86_64:
"dealii::MappingFEField<2, 2, dealii::TrilinosWrappers::MPI::Vector,
dealii::DoFHandler<2, 2> >::MappingFEField(dealii::DoFHandler<2, 2> const&,
dealii::TrilinosWrappers::MPI::Vector const&, dealii::ComponentMask)",
referenced from:
_main in main.cc.o
Thanks
praveen
On 25-Jun-2016, at 10:51 AM, Wolfgang Bangerth <[email protected]> wrote:
On 06/24/2016 11:57 PM, Praveen C wrote:
MappingFEField<dim> map(dh_euler, euler_vector);
When “map" is destroyed, I get some error
An error occurred in line <128> of file
</Users/praveen/Applications/deal.II/git/source/base/subscriptor.cc
<
https://urldefense.proofpoint.com/v2/url?u=http-3A__subscriptor.cc&d=CwMFaQ&c=ODFT-G5SujMiGrKuoJJjVg&r=bn1clvQAiDQrfAC4yKbN0PlSr7RWRs-U3WJ0zRBB2qM&m=Vf-2N0p6VmAXKK4t0RHa8AEgald8F3wLtzHtbbHTHDk&s=Q5qaqH8k_jfyOzP2rprL-TgG2uQe5NpA4zddILDSvuc&e=
>>
in function
void dealii::Subscriptor::check_no_subscribers() const
The violated condition was:
counter == 0
The name and call sequence of the exception was:
ExcInUse (counter, object_info->name(), infostring)
Additional Information:
Object of class N6dealii6VectorIdEE is still used by 1 other objects.
What a coincidence -- I've explained this very error just 10 minutes to
someone sitting here next to me at the ASPECT hackathon :-)
The issue is that MappingFEField takes a dealii::Vector as second argument.
What you pass is a vector of a different class, so the constructor creates
a temporary vector to pass to the constructor, and then destroys it again
after the call. But the MappingFEField class has already taken its
address, and so you get the error above.
What you need to do is use the second template argument of the
MappingFEField class and set it to TrilinosWrappers::MPI::Vector. This
should make it all work!
Best
Wolfgang
--
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Wolfgang Bangerth email: [email protected]
www: http://www.math.tamu.edu/~bangerth/
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