I will try after CSE17.
Best,
Weixiong
在 2017年2月27日星期一 UTC-5下午9:12:44，Wolfgang Bangerth写道：
>
> On 02/27/2017 12:24 PM, Weixiong Zheng wrote:
> > Dear all,
> >
> > Might be a trivial questions to you guys. I get a scalar problem using
> hp
> > class. When I tried to output the results using
> >
> > |
> > std::vector<std::string>solution_names;
> > |
> >
> > solution_names.push_back ("phi");
> >
> >
> >
> > std::vector<DataComponentInterpretation::DataComponentInterpretation>
> >
> > data_component_interpretation(1,
> > DataComponentInterpretation::component_is_scalar);
> >
> >
> >
> > DataOut<dim,hp::DoFHandler<dim> > data_out;
> >
> >
> >
> > data_out.attach_dof_handler (dof_handler);
> >
> > data_out.add_data_vector (scalar_flux,
> >
> > solution_names,
> >
> > DataOut<dim,hp::DoFHandler<dim>
> >::type_dof_data,
> >
> > data_component_interpretation);
> >
> >
> >
> > data_out.build_patches ();
> >
> > std::string name = "solution.vtk";
> >
> > std::ofstream output (names.c_str());
> >
> > data_out.write_vtk (output);
> >
> > std::cout << "see see 3" << std::endl;
> >
> >
> > I got the following error:
> >
> > CDLS-DSA(49490,0x70000c0cb000) malloc: *** error for object
> 0x7f7f87707c98:
> > incorrect checksum for freed object - object was probably modified after
> being
> > freed.
> >
> > *** set a breakpoint in malloc_error_break to debug
>
> Weixiong,
> Can you run this in a debugger, set the breakpoint at the function
> suggested
> here, and see if you can get a backtrace? Alternatively, can you create a
> small, self-contained testcase that shows the problem?
>
> Best
> W.
>
>
> --
> ------------------------------------------------------------------------
> Wolfgang Bangerth email: bang...@colostate.edu
> <javascript:>
> www: http://www.math.colostate.edu/~bangerth/
>
>
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