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Make sure that HyperPlane::transform manitains a unit normal vector in the Affine case.

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(grafted from f5d644b415
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Gael Guennebaud
2016-12-20 09:35:00 +01:00
parent 26197bb467
commit eda635bd58
2 changed files with 6 additions and 0 deletions
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3
test/geo_hyperplane.cpp
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@@ -66,12 +66,15 @@ template<typename HyperplaneType> void hyperplane(const HyperplaneType& _plane)
VERIFY_IS_MUCH_SMALLER_THAN( pl2.transform(rot,Isometry).absDistance(rot * p1), Scalar(1) );
pl2 = pl1;
VERIFY_IS_MUCH_SMALLER_THAN( pl2.transform(rot*scaling).absDistance((rot*scaling) * p1), Scalar(1) );
VERIFY_IS_APPROX( pl2.normal().norm(), RealScalar(1) );
pl2 = pl1;
VERIFY_IS_MUCH_SMALLER_THAN( pl2.transform(rot*scaling*translation)
.absDistance((rot*scaling*translation) * p1), Scalar(1) );
VERIFY_IS_APPROX( pl2.normal().norm(), RealScalar(1) );
pl2 = pl1;
VERIFY_IS_MUCH_SMALLER_THAN( pl2.transform(rot*translation,Isometry)
.absDistance((rot*translation) * p1), Scalar(1) );
VERIFY_IS_APPROX( pl2.normal().norm(), RealScalar(1) );
}
// casting