GitLab

sandbox/dan2: cudamatrix changes including bug fixes and moving AssertEqual, ApproxEqual to headers; add different form of preconditioned update (doesn't work great, may remove).

git-svn-id: https://svn.code.sf.net/p/kaldi/code/sandbox/dan2@3008 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8