Report the number of line search steps in FullReport.
Accumulate the number of steps of the line search algorithm
and report it as part of Summary::FullReport.
Change-Id: I1de12784009a3e08f2a2c2aff5085d57a3c73828
diff --git a/include/ceres/solver.h b/include/ceres/solver.h
index f53760e..76f3ca7 100644
--- a/include/ceres/solver.h
+++ b/include/ceres/solver.h
@@ -811,6 +811,13 @@
// Number of times inner iterations were performed.
int num_inner_iteration_steps;
+ // Total number of iterations inside the line search algorithm
+ // across all invocations. We call these iterations "steps" to
+ // distinguish them from the outer iterations of the line search
+ // and trust region minimizer algorithms which call the line
+ // search algorithm as a subroutine.
+ int num_line_search_steps;
+
// All times reported below are wall times.
// When the user calls Solve, before the actual optimization
