killing gd_mf in favor of mf
added precomputed_prediction bit to example
initialized active_simulation to false, removed extra gd setup
moved MF setup after save/laod
fixed indexing of constant feature in audit
(currently broken) reduction-friendly mf
cleaned up mf.cc
removing special parse_args cases for matrix factorization, debugging
switching branches
debugging
constant now multipled by weights_per_problem
mf merge complete, nn test acting up
merged pull from JohnLangford/master, fixed mf
merged pull from JohnLangford/master
gd_mf -> mf
updated mf tests
Add example_number to "You have a NAN!!!" error to be more user friendly.
Also move it from cout to cerr.
Slightly more informative error
Unify diff_opts and make it clear it is global
Add -v (verbose) and make default output smaller/cleaner (unless -v is given)