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* remove Cross product expression: MatrixBase::cross() now returns a temporary

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which is even better optimized by the compiler.
* Quaternion no longer inherits MatrixBase. Instead it stores the coefficients
  using a Matrix<> and provides only relevant methods.
This commit is contained in:
Gael Guennebaud
2008-06-07 13:18:29 +00:00
parent 6998037930
commit eb7b7b2cfc
5 changed files with 113 additions and 186 deletions
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10
Eigen/src/Core/Visitor.h
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@@ -26,7 +26,7 @@
#define EIGEN_VISITOR_H
template<typename Visitor, typename Derived, int UnrollCount>
struct ei_visitor_unroller
struct ei_visitor_impl
{
enum {
col = (UnrollCount-1) / Derived::RowsAtCompileTime,
@@ -35,13 +35,13 @@ struct ei_visitor_unroller
inline static void run(const Derived &mat, Visitor& visitor)
{
ei_visitor_unroller<Visitor, Derived, UnrollCount-1>::run(mat, visitor);
ei_visitor_impl<Visitor, Derived, UnrollCount-1>::run(mat, visitor);
visitor(mat.coeff(row, col), row, col);
}
};
template<typename Visitor, typename Derived>
struct ei_visitor_unroller<Visitor, Derived, 1>
struct ei_visitor_impl<Visitor, Derived, 1>
{
inline static void run(const Derived &mat, Visitor& visitor)
{
@@ -50,7 +50,7 @@ struct ei_visitor_unroller<Visitor, Derived, 1>
};
template<typename Visitor, typename Derived>
struct ei_visitor_unroller<Visitor, Derived, Dynamic>
struct ei_visitor_impl<Visitor, Derived, Dynamic>
{
inline static void run(const Derived& mat, Visitor& visitor)
{
@@ -85,7 +85,7 @@ void MatrixBase<Derived>::visit(Visitor& visitor) const
const bool unroll = SizeAtCompileTime * CoeffReadCost
+ (SizeAtCompileTime-1) * ei_functor_traits<Visitor>::Cost
<= EIGEN_UNROLLING_LIMIT;
return ei_visitor_unroller<Visitor, Derived,
return ei_visitor_impl<Visitor, Derived,
unroll ? int(SizeAtCompileTime) : Dynamic
>::run(derived(), visitor);
}