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Allow .conservativeResize(rows,cols) on vectors

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(grafted from b433fb2857
)
This commit is contained in:
Gael Guennebaud
2013-10-16 12:07:33 +02:00
parent 0257cf1cef
commit f407a86a3f
2 changed files with 36 additions and 11 deletions
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16
Eigen/src/Core/PlainObjectBase.h
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@@ -47,7 +47,10 @@ template<> struct check_rows_cols_for_overflow<Dynamic> {
}
};
template <typename Derived, typename OtherDerived = Derived, bool IsVector = bool(Derived::IsVectorAtCompileTime)> struct conservative_resize_like_impl;
template <typename Derived,
typename OtherDerived = Derived,
bool IsVector = bool(Derived::IsVectorAtCompileTime) && bool(OtherDerived::IsVectorAtCompileTime)>
struct conservative_resize_like_impl;
template<typename MatrixTypeA, typename MatrixTypeB, bool SwapPointers> struct matrix_swap_impl;
@@ -668,8 +671,10 @@ private:
enum { ThisConstantIsPrivateInPlainObjectBase };
};
namespace internal {
template <typename Derived, typename OtherDerived, bool IsVector>
struct internal::conservative_resize_like_impl
struct conservative_resize_like_impl
{
typedef typename Derived::Index Index;
static void run(DenseBase<Derived>& _this, Index rows, Index cols)
@@ -729,11 +734,14 @@ struct internal::conservative_resize_like_impl
}
};
namespace internal {
// Here, the specialization for vectors inherits from the general matrix case
// to allow calling .conservativeResize(rows,cols) on vectors.
template <typename Derived, typename OtherDerived>
struct conservative_resize_like_impl<Derived,OtherDerived,true>
: conservative_resize_like_impl<Derived,OtherDerived,false>
{
using conservative_resize_like_impl<Derived,OtherDerived,false>::run;
typedef typename Derived::Index Index;
static void run(DenseBase<Derived>& _this, Index size)
{