More preparation for adding bool sparsity patterns.
More preparation for adding bool sparsity patterns.

git-svn-id: 1fa6af86edfeec7ff6813d32c2912156c4cfc87f@2820 0e562018-b8fb-0310-a933-ecf073c7c197

tkelman/CppAD-oldmirror,tkelman/CppAD-oldmirror,tkelman/CppAD-oldmirror,tkelman/CppAD-oldmirror