gtsam/gtsam/geometry/concepts.h

77 lines
2.1 KiB
C++

/* ----------------------------------------------------------------------------
* GTSAM Copyright 2010, Georgia Tech Research Corporation,
* Atlanta, Georgia 30332-0415
* All Rights Reserved
* Authors: Frank Dellaert, et al. (see THANKS for the full author list)
* See LICENSE for the license information
* -------------------------------------------------------------------------- */
/**
* @file concepts.h
*
* @brief Concept-checking macros for geometric objects
* Each macro instantiates a concept check structure, which
* includes a static function that will fail to compile
* if the concept does not pass. Functions are made static
* to ensure they get instantiated.
*
* @date Oct 6, 2011
* @author Alex Cunningham
*/
#pragma once
#include <gtsam/base/Matrix.h>
#include <boost/optional.hpp>
namespace gtsam {
/**
* Pose Concept
* A must contain a translation and a rotation, with
* each structure accessable directly and a type provided
* for each.
*/
template<class POSE>
class PoseConcept {
public:
typedef typename POSE::Translation Translation;
typedef typename POSE::Rotation Rotation;
private:
static Rotation checkRotationMemberAccess(const POSE& p) {
return p.rotation();
}
static Translation checkTranslationMemberAccess(const POSE& p) {
return p.translation();
}
static std::pair<size_t, size_t> checkTranslationInterval() {
return POSE::translationInterval();
}
static std::pair<size_t, size_t> checkRotationInterval() {
return POSE::rotationInterval();
}
};
} // \namespace gtsam
/**
* Macros to use geometry concepts:
* - _INST macro: instantiates a struct: use in unit tests, but not in headers.
* - _TYPE macro: use in generic structures to validate the template arguments.
*
* NOTE: intentionally not in the gtsam namespace to avoid namespace complications
* when using with objects not inside gtsam namespace.
*/
/** Pose Concept macros */
#define GTSAM_CONCEPT_POSE_INST(T) template class gtsam::PoseConcept<T>
#define GTSAM_CONCEPT_POSE_TYPE(T) using _gtsam_PoseConcept##T = gtsam::PoseConcept<T>;