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Added += and + operators to inner iterators

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Fix #1340
#1340
This commit is contained in:
Valentin Roussellet 2016-12-28 18:29:30 +01:00
parent 5c27962453
commit d3c5525c23
2 changed files with 21 additions and 0 deletions
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5
Eigen/src/Core/CoreIterators.h
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@ -48,6 +48,11 @@ public:
* Explicit zeros are not skipped over. To skip explicit zeros, see class SparseView
*/
EIGEN_STRONG_INLINE InnerIterator& operator++() { m_iter.operator++(); return *this; }
EIGEN_STRONG_INLINE InnerIterator& operator+=(Index i) { m_iter.operator+=(i); return *this; }
EIGEN_STRONG_INLINE InnerIterator operator+(Index i)
{ InnerIterator result(*this); result+=i; return result; }
/// \returns the column or row index of the current coefficient.
EIGEN_STRONG_INLINE Index index() const { return m_iter.index(); }
/// \returns the row index of the current coefficient.

16
Eigen/src/SparseCore/SparseCompressedBase.h
View File

@ -185,6 +185,14 @@ class SparseCompressedBase<Derived>::InnerIterator
}
inline InnerIterator& operator++() { m_id++; return *this; }
inline InnerIterator& operator+=(Index i) { m_id += i ; return *this; }
inline InnerIterator operator+(Index i)
{
InnerIterator result = *this;
result += i;
return result;
}
inline const Scalar& value() const { return m_values[m_id]; }
inline Scalar& valueRef() { return const_cast<Scalar&>(m_values[m_id]); }
@ -245,6 +253,14 @@ class SparseCompressedBase<Derived>::ReverseInnerIterator
}
inline ReverseInnerIterator& operator--() { --m_id; return *this; }
inline ReverseInnerIterator& operator-=(Index i) { m_id -= i; return *this; }
inline ReverseInnerIterator operator-(Index i)
{
ReverseInnerIterator result = *this;
result -= i;
return result;
}
inline const Scalar& value() const { return m_values[m_id-1]; }
inline Scalar& valueRef() { return const_cast<Scalar&>(m_values[m_id-1]); }