Implemented ImageZigzagPersistence
* Changed ZigzagPersistence to support a visitor, and implemented
ImageZigzagPersistence
* examples/rips/rips-zigzag now computes using ImageZigzagPersistence
* PersistenceDiagram no longer records zero persistence pairs
* Added utilities/memory.h with report_memory() function
From: Dmitriy Morozov <dmitriy@mrzv.org>
Date: Sat, 20 Dec 2008 21:24:59
State: new
Subject: Add field arithmetic
Message-Id: <f6496b3e37275888-0-artemis@rufus>
Add support for field arithmetic (i.e., not only Z_2 field as it is now).
However, make sure that there is a specialization of ChainWrapper<C>::add() for
Z_2 field (since it can be made much more efficient both in terms of space and
time).