Dear all,
In my dealii code hosted on the GitHub:
https://github.com/taojinllnl/Phasefield_gradient_projection_monolithic_solver
I have the following line of code defining a block_operator in line *5378:*
const auto op_zT_wMwT_z =
block_operator<2, 2, BlockVector<double>>({op_uMuT, op_uMdT,
op_dMuT, op_dMdT});
*My code could compile and run as expected. *However, I always get the
following warning message:
"""
/home/taojin/Dropbox/dealII_Code/PhaseField/L-BFGS-B/main.cc:5378:70:
warning: *missing braces around initializer *for
‘std::__array_traits<std::array<dealii::LinearOperator<dealii::Vector<double>,
dealii::Vector<double>,
dealii::internal::LinearOperatorImplementation::EmptyPayload>, 2>,
2>::_Type’ {aka ‘std::array<dealii::LinearOperator<dealii::Vector<double>,
dealii::Vector<double>,
dealii::internal::LinearOperatorImplementation::EmptyPayload>, 2> [2]’}
[-Wmissing-braces]
5378 | const auto op_zT_wMwT_z = block_operator<2, 2,
BlockVector<double>>({op_uMuT, op_uMdT,
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
5379 | op_dMuT, op_dMdT});
/home/taojin/Dropbox/dealII_Code/PhaseField/L-BFGS-B/main.cc:5378:70:
warning: *missing braces around initializer *for
‘std::array<dealii::LinearOperator<dealii::Vector<double>,
dealii::Vector<double>,
dealii::internal::LinearOperatorImplementation::EmptyPayload>, 2>’
[-Wmissing-braces]
"""
I tried to place some extra curly braces but the warining message is still
there.
Does anyone have any idea how to get rid of the warning message?
Thanks,
Tao
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