devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

* Add Hyperplane::transform(Matrix/Transform)

Browse Source 
* Fix compilations with gcc 3.4, ICC and doxygen
* Fix krazy directives (hopefully)
This commit is contained in:
Gael Guennebaud
2008-08-31 13:32:29 +00:00
parent 5c34d8e20a
commit 7e8aa63bb7
20 changed files with 118 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
Eigen/src/Geometry/Hyperplane.h
View File

@@ -48,7 +48,7 @@ class ParametrizedLine
ParametrizedLine(const VectorType& origin, const VectorType& direction)
: m_origin(origin), m_direction(direction) {}
ParametrizedLine(const Hyperplane<_Scalar, _AmbientDim>& hyperplane);
explicit ParametrizedLine(const Hyperplane<_Scalar, _AmbientDim>& hyperplane);
~ParametrizedLine() {}
@@ -227,22 +227,41 @@ class Hyperplane
invdet*(other.coeffs().coeff(0)*coeffs().coeff(2)-coeffs().coeff(0)*other.coeffs().coeff(2)));
}
}
#if 0
template<typename XprType>
inline Hyperplane operator* (const MatrixBase<XprType>& mat) const
{ return Hyperplane(mat.inverse().transpose() * normal(), offset()); }
inline Hyperplane& transform(const MatrixBase<XprType>& mat, TransformTraits traits = GenericAffine)
{
if (traits==GenericAffine)
normal() = mat.inverse().transpose() * normal();
else if (traits==NoShear)
normal() = (mat.colwise().norm2().cwise().inverse().eval().asDiagonal()
* mat.transpose()).transpose() * normal();
else if (traits==NoScaling)
normal() = mat * normal();
else
{
ei_assert("invalid traits value in Hyperplane::transform()");
}
return *this;
}
template<typename XprType>
inline Hyperplane& operator*= (const MatrixBase<XprType>& mat) const
{ normal() = mat.inverse().transpose() * normal(); return *this; }
#endif
inline Hyperplane& transform(const Transform<Scalar,AmbientDimAtCompileTime>& t,
TransformTraits traits = GenericAffine)
{
transform(t.linear(), traits);
offset() -= t.translation().dot(normal());
return *this;
}
protected:
Coefficients m_coeffs;
};
/** Construct a parametrized line from a 2D hyperplane
*
* \warning the ambient space must have dimension 2 such that the hyperplane actually describes a line
*/
template <typename _Scalar, int _AmbientDim>
ParametrizedLine<_Scalar, _AmbientDim>::ParametrizedLine(const Hyperplane<_Scalar, _AmbientDim>& hyperplane)
{