| NActs | The main namespace encompassing all ACTS code |
| NCcl | |
| RCanAcceptCell | |
| RCanReserve | |
| RHasRetrievableColumnInfo | |
| RHasRetrievableRowInfo | |
| RHasRetrievableTimeInfo | |
| NConcepts | |
| Rarithmetic | Concept that is true if T is an arithmetic type |
| RBasicTrackParameters | |
| RCommonStepper | Concept that is satisfied by both single- and multi-steppers |
| Rdecayed_same_as | Concept that is satisfied iff both of its arguments decay to the same type |
| Reigen_base_is_fixed_size | Concept that is true iff T is a valid Eigen dense base with fixed size |
| Reigen_base_is_square | Concept that is true iff T is a valid Eigen dense base with fixed, square size |
| Reigen_bases_have_same_num_cols | Concept that is true iff T1 and T2 have the same, known at compile time, number of columns |
| Reigen_bases_have_same_num_rows | Concept that is true iff T1 and T2 have the same, known at compile time, number of rows |
| Reigen_bases_have_same_size | Concept that is true iff T1 and T2 have the same, known at compile time, size |
| RInterpolatable | Check types for requirements needed by interpolation |
| Rinvocable_and_returns | Concept that is satisfied iff type T is callable with arguments Args... and returns type U |
| Ris_eigen_base | Concept that is true iff T is a valid Eigen dense base |
| RMultiStepper | Concept that is satisfied by multi-steppers |
| RNavigatorCheckTargetValidWithCurvature | Whether checkTargetValid accepts geometric curvature |
| RNavigatorHandleSurfaceReachedWithCurvature | Whether handleSurfaceReached accepts geometric curvature |
| RNavigatorNextTargetWithCurvature | Whether nextTarget accepts geometric curvature |
| Rnothrow_move_constructible | Concept that is equivalent to is_nothrow_move_constructible |
| Rsame_as_any_of | Concept that is true if T is the same as any of Ts |
| RSingleStepper | Concept that is satisfied by single-steppers |
| NExperimental | Contains code that is not considered stable yet and might change |
| RCompositeSpacePoint | Concept definition of the station space points |
| RCompositeSpacePointCalibrator | Interface concept for a CompositeSpacePointCalibrator |
| RCompositeSpacePointContainer | Define the CompositeSpacePointContainer concept as any std::container over a collection of CompositeSpacePoint pointers |
| RCompositeSpacePointFastCalibrator | Interface concept to define the straw measurement calibrator used by the FastStrawLineFitter |
| RCompositeSpacePointPtr | Define the space point pointer concept as an ordinary / smart pointer over space points |
| RActor | |
| RActorHasAbort | |
| RActorHasAbortWithoutResult | |
| RActorHasAbortWithResult | |
| RActorHasAct | |
| RActorHasActWithoutResult | |
| RActorHasActWithResult | |
| RActorHasOldVoidInterface | |
| RActorHasResult | |
| RAmbiguityNetworkConcept | Concept for the ambiguity network used in the ambiguity resolution |
| RAxisConcept | |
| RBoundTrackParametersConcept | Concept that asserts that a given type meets the requirements to be considered bound track parameters in Acts |
| RCommonMultiTrajectoryBackend | |
| RConstMultiTrajectoryBackend | |
| RConstTrackContainerBackend | |
| RConstTrackProxyConcept | |
| RConstTrackStateProxyConcept | |
| RFreeTrackParametersConcept | Concept that asserts that a given type meets the requirements to be considered free track parameters in Acts |
| RhasPrintOperator | Define a generic concept whether an object can be piped to an ostream / cout |
| RHolderFor | Concept for holder templates that provide pointer-like access |
| RisValidConvexPolygonSize | |
| RMutableMultiTrajectoryBackend | |
| RMutableSurfaceVisitor | |
| RMutableTrackContainerBackend | |
| RMutableTrackProxyConcept | |
| RMutableTrackStateProxyConcept | |
| RNavigationPolicyConcept | Concept for a navigation policy This exists so initializeCandidates can be a non-virtual method and we still have a way to enforce it exists |
| RNavigatorConcept | Concept that is satisfied by navigators |
| RPointerConcept | |
| RRegularSurfaceConcept | |
| RSmartPointerConcept | The Pointer concept is an extension of the usual std::is_pointer_v type trait to also include the smart pointers like std::shared_ptr<T>, std::unique_ptr<T> The smart pointer is required to have an element_type typedef indicating over which data type the pointer is constructed, the arrow operator |
| RStepperConcept | Concept that is satisfied by steppers |
| RSurfaceConcept | |
| RSurfaceVisitor | |
| RTrackContainerBackend | |
| RTrackContainerFrontend | |
| RTrackingVolumeVisitor | |
| RTrackProxyConcept | |
| RTrackStateProxyConcept | |
| Ndetray | Detray include(s) |
| Nconcepts | Type list concepts |
| Raccelerator | Concept for detray geometry acceleration structures |
| Raccelerator_collection | Concept for a collection of accelerator (data) that can be stored in the detector |
| Ractor | Concept for a simple actor |
| Ractor_chain | Concept for the actor chain that is being run in the propagator |
| Ralgebra | Algebra plugin concept |
| Rany_of | |
| Raos | |
| Rarithmetic | Arithmetic types |
| Rarithmetic_cvref | |
| Raxis | |
| Rcolumn_matrix | |
| Rcolumn_matrix3D | |
| Rcomposite_actor | Concept for an actor including observing actors |
| Rcoordinate_frame | Concept for a type that performs coordinate shape transformations |
| Rcylindrical | |
| Rcylindrical_frame | |
| Rcylindrical_object | |
| Rcylindrical_shape | |
| Rdetector | Check if a type can be used as a detector |
| Rdetector_traits | Check that a type is a Draits instance |
| Rdevice_detector | Check if a type is a device (immutable) detector type |
| Relement | |
| Renumeration | Enumeration types |
| Rgeometric_object | |
| Rgrid | |
| Rhas_compile_time_1d_access | |
| Rhas_compile_time_2d_access | Check if a matrix or vector type permits template indexing |
| Rhas_grids | Check for the the presence of any type of grids in a detector definition |
| Rhas_homogeneous_material | Check for the the presence of homogeneous material types in a detector definition |
| Rhas_local_frame | |
| Rhas_material_maps | Check for the the presence of material maps in a detector definition |
| Rhas_material_rods | Check for the the presence of material rods in a detector definition |
| Rhas_material_slabs | Check for the the presence of material slabs in a detector definition |
| Rhas_shape | Definition of a geometric object, that either has a shape or a local frame |
| Rhas_surface_grids | Check for the the presence of surface grids in a detector definition |
| Rhomogeneous_material | Homogeneous material |
| Rhost_detector | Check if a type is a host (mutable) detector type |
| Rindex | Index concept to access vector/matrix elements |
| Rinterval | Concept that checks if a type models an interval of some value that can be obtained with 'get' |
| Ris_field_of | Check if a type corresponds to the magnetic field type of a stepper |
| Ris_propagator_state_of | Check if a type can function as a propagator state for a specific propagator type |
| Ris_state_of | Check if a state type belongs to an actor or actor chain |
| Rline | |
| Rline_frame | |
| Rline_object | |
| Rline_shape | |
| Rmapped_type_registry | Mapped type registry concepts |
| Rmaterial_map | Material map concept: Material grid |
| Rmaterial_params | Material parameters |
| Rmaterial_rod | Material parameters with a radius |
| Rmaterial_slab | Material parameters with a thickness |
| Rmatrix | Matrix concepts |
| Rmatrix_compatible | |
| Rmatrix_multipliable | |
| Rmatrix_multipliable_into | |
| Rmetadata | Check if a type can be used as a metadata |
| Rplanar | |
| Rplanar_frame | Frame types |
| Rplanar_object | Geometric object types |
| Rplanar_shape | Shape types |
| Rpoint | Point concepts |
| Rpoint2D | |
| Rpoint3D | |
| Rpropagator_state | Check if a type can function as a propagator state |
| Rrandom_access_incrementable | Concept that checks whether a type can be incremented with arbitrary integer values |
| Rrectilinear | |
| Rrectilinear_frame | |
| Rrectilinear_object | |
| Rrectilinear_shape | |
| Rrow_matrix | |
| Rrow_matrix3D | |
| Rsame_as_cvref | Same, except for cv qualifiers and reference |
| Rsame_as_no_const | Concept for detecting when a type is a non-const version of another |
| Rscalar | Scalar concept: Elements of vectors/matrices (can be simd vectors) |
| Rshape | Concept for a geometrical shape |
| Rsimd_scalar | Check if a scalar is simd |
| Rsimd_storage_vector | Vc SIMD types |
| Rsoa | Check if an algebra has soa layout |
| Rspatial_grid | |
| Rsquare_matrix | |
| Rsurface_accelerator | Acceleration structure that contains surfaces (surface descriptors) TODO: Add surface descriptor concept to geometry package |
| Rsurface_grid | Grid that contains surfaces (used e.g |
| Rsurface_material | Material that can used for surfaces |
| Rtransform3D | Transform concept |
| Rtransport_jacobian | |
| Rtype_id | Type identifier concept |
| Rtype_list | |
| Rtype_registry | Type registry concepts |
| Rvalue | |
| Rvc_aos_vector | Vc AoS vector |
| Rvc_simd_vector | Vc SIMD types |
| Rvc_soa_vector | Vc SoA vector |
| Rvector | Vector concepts |
| Rvector2D | |
| Rvector3D | |
| Rvolume_accelerator | Acceleration structure that contains volumes (volume indices) |
| Rvolume_grid | Acceleration structure that contains volumes (volume indices) |
| Rvolume_material | Material that can be used for volumes |
| Nio | The following enums are global for all detectors |
| Nconcepts | |
| Rreader_backend | Concept for detray io reader backends |
| Rwriter_backend | Concept for detray io writer backends |
| Nranges | |
| Rbidirectional_range | |
| Rforward_range | |
| Rinput_range | Range category concepts |
| Routput_range | |
| Rrandom_access_range | |
| Rrange | Range concept |
| Rrange_of | Range of a given type |
1.15.0