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bug #1573: add noexcept move constructor and move assignment operator to Quaternion

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This commit is contained in:
Gael Guennebaud 2018-07-17 11:11:33 +02:00
parent 43206ac4de
commit 2b2cd85694
1 changed files with 29 additions and 0 deletions
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29
Eigen/src/Geometry/Quaternion.h
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@ -105,6 +105,22 @@ class QuaternionBase : public RotationBase<Derived, 3>
EIGEN_DEVICE_FUNC Derived& operator=(const AngleAxisType& aa);
template<class OtherDerived> EIGEN_DEVICE_FUNC Derived& operator=(const MatrixBase<OtherDerived>& m);
#if EIGEN_HAS_RVALUE_REFERENCES
// Because we have a user-defined copy assignment operator, we don't get an implicit move constructor or assignment operator.
/** Default move constructor */
EIGEN_DEVICE_FUNC inline QuaternionBase(QuaternionBase&& other) EIGEN_NOEXCEPT_IF(std::is_nothrow_move_constructible<Scalar>::value) = default;
/** Default move assignment operator */
EIGEN_DEVICE_FUNC QuaternionBase& operator=(QuaternionBase&& other) EIGEN_NOEXCEPT_IF(std::is_nothrow_move_assignable<Scalar>::value) = default;
// And now because we declared a constructor, we don't get a default constructor or copy constructor. Say we want them.
/** Default constructor */
EIGEN_DEVICE_FUNC QuaternionBase() = default;
/** Copy constructor */
EIGEN_DEVICE_FUNC QuaternionBase(const QuaternionBase& other) = default;
#endif
/** \returns a quaternion representing an identity rotation
* \sa MatrixBase::Identity()
*/
@ -276,6 +292,19 @@ public:
EIGEN_DEVICE_FUNC explicit inline Quaternion(const Quaternion<OtherScalar, OtherOptions>& other)
{ m_coeffs = other.coeffs().template cast<Scalar>(); }
#if EIGEN_HAS_RVALUE_REFERENCES
// We define a copy constructor, which means we don't get an implicit move constructor or assignment operator.
/** Default move constructor */
EIGEN_DEVICE_FUNC inline Quaternion(Quaternion&& other) EIGEN_NOEXCEPT_IF(std::is_nothrow_move_constructible<Scalar>::value) = default;
/** Default move assignment operator */
EIGEN_DEVICE_FUNC Quaternion& operator=(Quaternion&& other) EIGEN_NOEXCEPT_IF(std::is_nothrow_move_assignable<Scalar>::value) = default;
// And now because we declared a constructor, we don't get an implicit copy constructor. Say we want one.
/** Default copy constructor */
EIGEN_DEVICE_FUNC Quaternion(const Quaternion& other) = default;
#endif
EIGEN_DEVICE_FUNC static Quaternion UnitRandom();
template<typename Derived1, typename Derived2>