diff options
| -rw-r--r-- | Eigen/src/Geometry/AlignedBox.h | 4 | ||||
| -rw-r--r-- | test/geo_alignedbox.cpp | 7 |
2 files changed, 11 insertions, 0 deletions
diff --git a/Eigen/src/Geometry/AlignedBox.h b/Eigen/src/Geometry/AlignedBox.h index 8e186d57a..b6a2f0e24 100644 --- a/Eigen/src/Geometry/AlignedBox.h +++ b/Eigen/src/Geometry/AlignedBox.h @@ -185,6 +185,10 @@ EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF_VECTORIZABLE_FIXED_SIZE(_Scalar,_AmbientDim) inline bool contains(const AlignedBox& b) const { return (m_min.array()<=(b.min)().array()).all() && ((b.max)().array()<=m_max.array()).all(); } + /** \returns true if the box \a b is intersecting the box \c *this. */ + inline bool intersects(const AlignedBox& b) const + { return (m_min.array()<=(b.max)().array()).all() && ((b.min)().array()<=m_max.array()).all(); } + /** Extends \c *this such that it contains the point \a p and returns a reference to \c *this. */ template<typename Derived> inline AlignedBox& extend(const MatrixBase<Derived>& a_p) diff --git a/test/geo_alignedbox.cpp b/test/geo_alignedbox.cpp index 8e36adbe3..e2792ed18 100644 --- a/test/geo_alignedbox.cpp +++ b/test/geo_alignedbox.cpp @@ -54,6 +54,13 @@ template<typename BoxType> void alignedbox(const BoxType& _box) VERIFY(b2.contains(b1)); VERIFY_IS_APPROX(b2.clamp(b0), b0); + // intersection + BoxType box1(VectorType::Random(dim)); + box1.extend(VectorType::Random(dim)); + BoxType box2(VectorType::Random(dim)); + box2.extend(VectorType::Random(dim)); + + VERIFY(box1.intersects(box2) == !box1.intersection(box2).isEmpty()); // alignment -- make sure there is no memory alignment assertion BoxType *bp0 = new BoxType(dim); |