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arf, of course a meta-selector was required here

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This commit is contained in:
Benoit Jacob 2008-08-24 21:36:14 +00:00
parent 124ec71c50
commit aa54d6bef0
1 changed files with 21 additions and 8 deletions
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29
Eigen/src/Geometry/Transform.h
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@ -89,18 +89,31 @@ public:
inline Transform& operator=(const Transform& other)
{ m_matrix = other.m_matrix; return *this; }
template<typename OtherDerived, bool select = OtherDerived::RowsAtCompileTime == Dim>
struct construct_from_matrix
{
static inline void run(Transform *transform, const MatrixBase<OtherDerived>& other)
{
transform->matrix() = other;
}
};
template<typename OtherDerived> struct construct_from_matrix<OtherDerived, true>
{
static inline void run(Transform *transform, const MatrixBase<OtherDerived>& other)
{
transform->linear() = other;
transform->translation().setZero();
transform->matrix()(Dim,Dim) = Scalar(1);
transform->matrix().template block<1,Dim>(Dim,0).setZero();
}
};
/** Constructs and initializes a transformation from a Dim^2 or a (Dim+1)^2 matrix. */
template<typename OtherDerived>
inline explicit Transform(const MatrixBase<OtherDerived>& other)
{
if(OtherDerived::RowsAtCompileTime == Dim)
{
linear() = other;
translation().setZero();
m_matrix(Dim,Dim) = Scalar(1);
m_matrix.template block<1,Dim>(Dim,0).setZero();
}
else m_matrix = other;
construct_from_matrix<OtherDerived>::run(this, other);
}
/** Set \c *this from a (Dim+1)^2 matrix. */