diff options
Diffstat (limited to 'extern/ceres/internal/ceres/levenberg_marquardt_strategy.h')
| -rw-r--r-- | extern/ceres/internal/ceres/levenberg_marquardt_strategy.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/extern/ceres/internal/ceres/levenberg_marquardt_strategy.h b/extern/ceres/internal/ceres/levenberg_marquardt_strategy.h index 8fb37f32959..12cd463c152 100644 --- a/extern/ceres/internal/ceres/levenberg_marquardt_strategy.h +++ b/extern/ceres/internal/ceres/levenberg_marquardt_strategy.h @@ -32,6 +32,7 @@ #define CERES_INTERNAL_LEVENBERG_MARQUARDT_STRATEGY_H_ #include "ceres/internal/eigen.h" +#include "ceres/internal/port.h" #include "ceres/trust_region_strategy.h" namespace ceres { @@ -42,7 +43,8 @@ namespace internal { // K. Madsen, H.B. Nielsen and O. Tingleff. Available to download from // // http://www2.imm.dtu.dk/pubdb/views/edoc_download.php/3215/pdf/imm3215.pdf -class LevenbergMarquardtStrategy : public TrustRegionStrategy { +class CERES_EXPORT_INTERNAL LevenbergMarquardtStrategy + : public TrustRegionStrategy { public: explicit LevenbergMarquardtStrategy( const TrustRegionStrategy::Options& options); @@ -74,11 +76,11 @@ class LevenbergMarquardtStrategy : public TrustRegionStrategy { const double max_diagonal_; double decrease_factor_; bool reuse_diagonal_; - Vector diagonal_; // diagonal_ = diag(J'J) + Vector diagonal_; // diagonal_ = diag(J'J) // Scaled copy of diagonal_. Stored here as optimization to prevent // allocations in every iteration and reuse when a step fails and // ComputeStep is called again. - Vector lm_diagonal_; // lm_diagonal_ = diagonal_ / radius_; + Vector lm_diagonal_; // lm_diagonal_ = sqrt(diagonal_ / radius_); }; } // namespace internal |