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Return 0 volume for empty AlignedBox

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Sotiris Papatheodorou 2024-03-04 17:32:44 +00:00 committed by Charles Schlosser
parent 64edfbed04
commit 251ec42087
2 changed files with 5 additions and 1 deletions
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2
Eigen/src/Geometry/AlignedBox.h
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@ -173,7 +173,7 @@ class AlignedBox {
} }
/** \returns the volume of the bounding box */ /** \returns the volume of the bounding box */
EIGEN_DEVICE_FUNC inline Scalar volume() const { return sizes().prod(); } EIGEN_DEVICE_FUNC inline Scalar volume() const { return isEmpty() ? Scalar(0) : sizes().prod(); }
/** \returns an expression for the bounding box diagonal vector /** \returns an expression for the bounding box diagonal vector
* if the length of the diagonal is needed: diagonal().norm() * if the length of the diagonal is needed: diagonal().norm()

4
test/geo_alignedbox.cpp
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@ -51,6 +51,8 @@ void alignedbox(const BoxType& box) {
kill_extra_precision(p0); kill_extra_precision(p0);
kill_extra_precision(p1); kill_extra_precision(p1);
VERIFY(numext::equal_strict(b0.volume(), Scalar(0)));
b0.extend(p0); b0.extend(p0);
b0.extend(p1); b0.extend(p1);
VERIFY(b0.contains(p0 * s1 + (Scalar(1) - s1) * p1)); VERIFY(b0.contains(p0 * s1 + (Scalar(1) - s1) * p1));
@ -423,6 +425,8 @@ void alignedboxCastTests(const BoxType& box) {
BoxType b0(dim); BoxType b0(dim);
VERIFY(numext::equal_strict(b0.volume(), Scalar(0)));
b0.extend(p0); b0.extend(p0);
b0.extend(p1); b0.extend(p1);