Preconditioner refactoring.
1. Added a Preconditioner interface.
2. SCHUR_JACOBI is now its own class and is independent of
SuiteSparse.
Change-Id: Id912ab19cf3736e61d1b90ddaf5bfba33e877ec4
diff --git a/internal/ceres/CMakeLists.txt b/internal/ceres/CMakeLists.txt
index b30f0cc..43e251a 100644
--- a/internal/ceres/CMakeLists.txt
+++ b/internal/ceres/CMakeLists.txt
@@ -72,6 +72,7 @@
parameter_block_ordering.cc
partitioned_matrix_view.cc
polynomial.cc
+ preconditioner.cc
problem.cc
problem_impl.cc
program.cc
@@ -80,6 +81,7 @@
runtime_numeric_diff_cost_function.cc
schur_complement_solver.cc
schur_eliminator.cc
+ schur_jacobi_preconditioner.cc
scratch_evaluate_preparer.cc
solver.cc
solver_impl.cc