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bug #1172: make valuePtr and innderIndexPtr properly return null for empty matrices.

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This commit is contained in:
Gael Guennebaud
2016-02-27 14:55:40 +01:00
parent ac2e6e0d03
commit 8e6faab51e
6 changed files with 34 additions and 28 deletions
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13
Eigen/src/SparseCore/CompressedStorage.h
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@@ -110,11 +110,16 @@ class CompressedStorage
inline Index allocatedSize() const { return m_allocatedSize; }
inline void clear() { m_size = 0; }
inline Scalar& value(Index i) { return m_values[i]; }
inline const Scalar& value(Index i) const { return m_values[i]; }
const Scalar* valuePtr() const { return m_values; }
Scalar* valuePtr() { return m_values; }
const StorageIndex* indexPtr() const { return m_indices; }
StorageIndex* indexPtr() { return m_indices; }
inline StorageIndex& index(Index i) { return m_indices[i]; }
inline const StorageIndex& index(Index i) const { return m_indices[i]; }
inline Scalar& value(Index i) { eigen_internal_assert(m_values!=0); return m_values[i]; }
inline const Scalar& value(Index i) const { eigen_internal_assert(m_values!=0); return m_values[i]; }
inline StorageIndex& index(Index i) { eigen_internal_assert(m_indices!=0); return m_indices[i]; }
inline const StorageIndex& index(Index i) const { eigen_internal_assert(m_indices!=0); return m_indices[i]; }
/** \returns the largest \c k such that for all \c j in [0,k) index[\c j]\<\a key */
inline Index searchLowerIndex(Index key) const