Update Summary::FullReport to report dogleg type.

Change-Id: I0b4be8d7486c1c4b36b299693b3fe8b0d3426537

include/ceres/solver.h

diff --git a/include/ceres/solver.h b/include/ceres/solver.h
index 16c7387..31d5e8d 100644
--- a/include/ceres/solver.h
+++ b/include/ceres/solver.h
@@ -511,6 +511,7 @@
     OrderingType ordering_type;
 
     TrustRegionStrategyType trust_region_strategy_type;
+    DoglegType dogleg_type;
     SparseLinearAlgebraLibraryType sparse_linear_algebra_library;
   };
 

internal/ceres/solver.cc

diff --git a/internal/ceres/solver.cc b/internal/ceres/solver.cc
index ee98392..66ca932 100644
--- a/internal/ceres/solver.cc
+++ b/internal/ceres/solver.cc
@@ -197,9 +197,18 @@
                                 sparse_linear_algebra_library));
   }
 
-  internal::StringAppendF(&report, "Trust Region Strategy     %19s\n",
+  internal::StringAppendF(&report, "Trust Region Strategy     %19s",
                           TrustRegionStrategyTypeToString(
                               trust_region_strategy_type));
+  if (trust_region_strategy_type == DOGLEG) {
+    if (dogleg_type == TRADITIONAL_DOGLEG) {
+      internal::StringAppendF(&report, " (TRADITIONAL)");
+    } else {
+      internal::StringAppendF(&report, " (SUBSPACE)");
+    }
+  }
+  internal::StringAppendF(&report, "\n");
+
 
   if (termination_type == DID_NOT_RUN) {
     CHECK(!error.empty())

internal/ceres/solver_impl.cc

diff --git a/internal/ceres/solver_impl.cc b/internal/ceres/solver_impl.cc
index 072f8bb..2802a75 100644
--- a/internal/ceres/solver_impl.cc
+++ b/internal/ceres/solver_impl.cc
@@ -238,6 +238,7 @@
   summary->sparse_linear_algebra_library =
       options.sparse_linear_algebra_library;
   summary->trust_region_strategy_type = options.trust_region_strategy_type;
+  summary->dogleg_type = options.dogleg_type;
 
   // Evaluate the initial cost, residual vector and the jacobian
   // matrix if requested by the user. The initial cost needs to be