diff options
Diffstat (limited to 'extern/ceres/include/ceres/gradient_checker.h')
| -rw-r--r-- | extern/ceres/include/ceres/gradient_checker.h | 73 |
1 files changed, 56 insertions, 17 deletions
diff --git a/extern/ceres/include/ceres/gradient_checker.h b/extern/ceres/include/ceres/gradient_checker.h index b79cf86b314..178fa2b0dd2 100644 --- a/extern/ceres/include/ceres/gradient_checker.h +++ b/extern/ceres/include/ceres/gradient_checker.h @@ -40,9 +40,12 @@ #include "ceres/cost_function.h" #include "ceres/dynamic_numeric_diff_cost_function.h" +#include "ceres/internal/disable_warnings.h" #include "ceres/internal/eigen.h" +#include "ceres/internal/export.h" #include "ceres/internal/fixed_array.h" #include "ceres/local_parameterization.h" +#include "ceres/manifold.h" #include "glog/logging.h" namespace ceres { @@ -65,19 +68,42 @@ namespace ceres { // CostFunction, and then call Probe(). Check that the return value is 'true'. class CERES_EXPORT GradientChecker { public: - // This will not take ownership of the cost function or local + // This constructor will not take ownership of the cost function or local // parameterizations. // // function: The cost function to probe. - // local_parameterizations: A vector of local parameterizations for each - // parameter. May be NULL or contain NULL pointers to indicate that the + // + // local_parameterizations: A vector of local parameterizations, one for each + // parameter block. May be nullptr or contain nullptrs to indicate that the // respective parameter does not have a local parameterization. + // // options: Options to use for numerical differentiation. + // + // NOTE: This constructor is deprecated and will be removed in the next public + // release of Ceres Solver. Please transition to using the Manifold based + // version. + CERES_DEPRECATED_WITH_MSG( + "Local Parameterizations are deprecated. Use the constructor that uses " + "Manifolds instead.") GradientChecker( const CostFunction* function, const std::vector<const LocalParameterization*>* local_parameterizations, const NumericDiffOptions& options); + // This will not take ownership of the cost function or manifolds. + // + // function: The cost function to probe. + // + // manifolds: A vector of manifolds for each parameter. May be nullptr or + // contain nullptrs to indicate that the respective parameter blocks are + // Euclidean. + // + // options: Options to use for numerical differentiation. + GradientChecker(const CostFunction* function, + const std::vector<const Manifold*>* manifolds, + const NumericDiffOptions& options); + ~GradientChecker(); + // Contains results from a call to Probe for later inspection. struct CERES_EXPORT ProbeResults { // The return value of the cost function. @@ -87,11 +113,11 @@ class CERES_EXPORT GradientChecker { Vector residuals; // The sizes of the Jacobians below are dictated by the cost function's - // parameter block size and residual block sizes. If a parameter block - // has a local parameterization associated with it, the size of the "local" - // Jacobian will be determined by the local parameterization dimension and - // residual block size, otherwise it will be identical to the regular - // Jacobian. + // parameter block size and residual block sizes. If a parameter block has a + // manifold associated with it, the size of the "local" Jacobian will be + // determined by the dimension of the manifold (which is the same as the + // dimension of the tangent space) and residual block size, otherwise it + // will be identical to the regular Jacobian. // Derivatives as computed by the cost function. std::vector<Matrix> jacobians; @@ -114,20 +140,20 @@ class CERES_EXPORT GradientChecker { }; // Call the cost function, compute alternative Jacobians using finite - // differencing and compare results. If local parameterizations are given, - // the Jacobians will be multiplied by the local parameterization Jacobians - // before performing the check, which effectively means that all errors along - // the null space of the local parameterization will be ignored. - // Returns false if the Jacobians don't match, the cost function return false, - // or if the cost function returns different residual when called with a - // Jacobian output argument vs. calling it without. Otherwise returns true. + // differencing and compare results. If manifolds are given, the Jacobians + // will be multiplied by the manifold Jacobians before performing the check, + // which effectively means that all errors along the null space of the + // manifold will be ignored. Returns false if the Jacobians don't match, the + // cost function return false, or if a cost function returns a different + // residual when called with a Jacobian output argument vs. calling it + // without. Otherwise returns true. // // parameters: The parameter values at which to probe. // relative_precision: A threshold for the relative difference between the // Jacobians. If the Jacobians differ by more than this amount, then the // probe fails. // results: On return, the Jacobians (and other information) will be stored - // here. May be NULL. + // here. May be nullptr. // // Returns true if no problems are detected and the difference between the // Jacobians is less than error_tolerance. @@ -140,11 +166,24 @@ class CERES_EXPORT GradientChecker { GradientChecker(const GradientChecker&) = delete; void operator=(const GradientChecker&) = delete; - std::vector<const LocalParameterization*> local_parameterizations_; + // This bool is used to determine whether the constructor with the + // LocalParameterizations is called or the one with Manifolds is called. If + // the former, then the vector of manifolds is a vector of ManifoldAdapter + // objects which we own and should be deleted. If the latter then they are + // real Manifold objects owned by the caller and will not be deleted. + // + // This bool is only needed during the LocalParameterization to Manifold + // transition, once this transition is complete the LocalParameterization + // based constructor and this bool will be removed. + const bool delete_manifolds_ = false; + + std::vector<const Manifold*> manifolds_; const CostFunction* function_; std::unique_ptr<CostFunction> finite_diff_cost_function_; }; } // namespace ceres +#include "ceres/internal/reenable_warnings.h" + #endif // CERES_PUBLIC_GRADIENT_CHECKER_H_ |