On 02/27/2018 07:48 PM, chucui1...@gmail.com wrote:
I want to implement grad(delta_u), but shape_grad_component() is
function in Class FEValuesBase, and it can't be used in delta_u
directly, so I want to let delta_u be an object in Class FECaluesBase.
But that has nothing to do with the error message you get. The line of
code the compiler complains about is simply not C++.
Independent of that, you can't create objects of type FEValuesBase. You
can create objects of type FEValues and FEFaceValues, both of which
allow you to access the member functions of the base class.
Best
WB
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Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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