Reduce the amount of computations for testing
Setting ecut inside the loop
Merge branch 'master' of https://github.com/gmatteo/abipy

s necessary,
First draft of a new tensor object
Merge branch 'master' of https://github.com/gmatteo/abipy
Adding a symmetric tensor, constructed from q^T e q
Use DielectricTensor as a list of SymmetricTensor's
Remove unused imports
Add symmetrize method (to be cont'd)
Merge branch 'master' of https://github.com/gmatteo/abipy
Symmetrization of the tensor using symmetries of the space group.
Merge branch 'master' of https://github.com/gmatteo/abipy
Merge pull request #11 from yanikou19/master

Tensors and symmetries