gmatteo/abipy — pull request #7 by yanikou19 (2013-09-04 14:31:22+00:00)
Title: First version of Dielectric tensor from Dielectric function

Convertion of MDF for 6 different q-points to cartesian tensor.
First version, since:
- the labels of the directions are not yet stored
- the reduced coordinates tensor is not computed yet
- we need to discuss where to put the "get_tensor" method (MDF_File ? MDF_Reader ?)