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sparse module:

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* add row(i), col(i) functions
* add prune() function to remove small coefficients
This commit is contained in:
Gael Guennebaud
2009-01-21 18:46:04 +00:00
parent 25f1658fce
commit 52cf07d266
8 changed files with 138 additions and 17 deletions
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24
Eigen/src/Sparse/SparseVector.h
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@@ -67,20 +67,19 @@ class SparseVector
CompressedStorage<Scalar> m_data;
int m_size;
public:
inline int rows() const { return IsColVector ? m_size : 1; }
inline int cols() const { return IsColVector ? 1 : m_size; }
inline int innerSize() const { return m_size; }
inline int outerSize() const { return 1; }
inline int innerNonZeros(int j) const { ei_assert(j==0); return m_size; }
EIGEN_STRONG_INLINE int rows() const { return IsColVector ? m_size : 1; }
EIGEN_STRONG_INLINE int cols() const { return IsColVector ? 1 : m_size; }
EIGEN_STRONG_INLINE int innerSize() const { return m_size; }
EIGEN_STRONG_INLINE int outerSize() const { return 1; }
EIGEN_STRONG_INLINE int innerNonZeros(int j) const { ei_assert(j==0); return m_size; }
inline const Scalar* _valuePtr() const { return &m_data.value(0); }
inline Scalar* _valuePtr() { return &m_data.value(0); }
EIGEN_STRONG_INLINE const Scalar* _valuePtr() const { return &m_data.value(0); }
EIGEN_STRONG_INLINE Scalar* _valuePtr() { return &m_data.value(0); }
inline const int* _innerIndexPtr() const { return &m_data.index(0); }
inline int* _innerIndexPtr() { return &m_data.index(0); }
EIGEN_STRONG_INLINE const int* _innerIndexPtr() const { return &m_data.index(0); }
EIGEN_STRONG_INLINE int* _innerIndexPtr() { return &m_data.index(0); }
inline Scalar coeff(int row, int col) const
{
@@ -145,6 +144,11 @@ class SparseVector
m_data.value(id+1) = 0;
return m_data.value(id+1);
}
void prune(Scalar reference, RealScalar epsilon = precision<RealScalar>())
{
m_data.prune(reference,epsilon);
}
void resize(int newSize)
{