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 missing implementation of uniform scaling products

Browse Source
This commit is contained in:
Gael Guennebaud
2010-03-02 17:38:40 +01:00
parent 2f3d685e0c
commit c7828ac45c
2 changed files with 36 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
Eigen/src/Geometry/Scaling.h
View File

@@ -72,8 +72,8 @@ public:
inline Transform<Scalar,Dim> operator* (const Translation<Scalar,Dim>& t) const;
/** Concatenates a uniform scaling and an affine transformation */
template<int Dim>
inline Transform<Scalar,Dim> operator* (const Transform<Scalar,Dim>& t) const;
template<int Dim, int Mode>
inline Transform<Scalar,Dim,Mode> operator* (const Transform<Scalar,Dim, Mode>& t) const;
/** Concatenates a uniform scaling and a linear transformation matrix */
// TODO returns an expression
@@ -156,4 +156,27 @@ typedef DiagonalMatrix<float, 3> AlignedScaling3f;
typedef DiagonalMatrix<double,3> AlignedScaling3d;
//@}
template<typename Scalar>
template<int Dim>
inline Transform<Scalar,Dim>
UniformScaling<Scalar>::operator* (const Translation<Scalar,Dim>& t) const
{
Transform<Scalar,Dim> res;
res.matrix().setZero();
res.linear().diagonal().fill(factor());
res.translation() = factor() * t.vector();
res(Dim,Dim) = Scalar(1);
return res;
}
template<typename Scalar>
template<int Dim,int Mode>
inline Transform<Scalar,Dim,Mode>
UniformScaling<Scalar>::operator* (const Transform<Scalar,Dim, Mode>& t) const
{
Transform<Scalar,Dim> res = t;
res.prescale(factor());
return res;
}
#endif // EIGEN_SCALING_H