SurfacePhasors class

[willGraham01]

Continues #63 |

SurfacePhasor class

Adds a class that handles the complex amplitude extraction across the user-specific surface in iterator.cpp.

Removes a data clump (surface_EH{r,i}, surface_vertices, vertex_list and other associated variables) and groups together what were previously a collection of standalone functions.

Also adds a destructor for this class so memory cleanup is automatic, rather than having to be called manually around line 4620.

Extensions

I suspect either this class or a very similar one can also be used to remove the data clump associated to the complex amplitude extraction at the user-specified vertices. We may even be able to directly generalise the SurfacePhasor class into a PhasorExtraction super-class or something...

[samcunliffe]

Mostly I want more doc comments from you, old bean.