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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 b71ee76d8d
commit bd6e042f49
5 changed files with 556 additions and 552 deletions
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5
Eigen/src/SparseCore/CompressedStorage.h
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@ -102,6 +102,11 @@ class CompressedStorage
inline size_t allocatedSize() const { return m_allocatedSize; }
inline void clear() { m_size = 0; }
const Scalar* valuePtr() const { return m_values; }
Scalar* valuePtr() { return m_values; }
const Index* indexPtr() const { return m_indices; }
Index* indexPtr() { return m_indices; }
inline Scalar& value(size_t i) { return m_values[i]; }
inline const Scalar& value(size_t i) const { return m_values[i]; }

1077
Eigen/src/SparseCore/SparseBlock.h
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File diff suppressed because it is too large Load Diff

12
Eigen/src/SparseCore/SparseMatrix.h
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@ -128,20 +128,20 @@ class SparseMatrix
/** \returns a const pointer to the array of values.
* This function is aimed at interoperability with other libraries.
* \sa innerIndexPtr(), outerIndexPtr() */
inline const Scalar* valuePtr() const { return &m_data.value(0); }
inline const Scalar* valuePtr() const { return m_data.valuePtr(); }
/** \returns a non-const pointer to the array of values.
* This function is aimed at interoperability with other libraries.
* \sa innerIndexPtr(), outerIndexPtr() */
inline Scalar* valuePtr() { return &m_data.value(0); }
inline Scalar* valuePtr() { return m_data.valuePtr(); }
/** \returns a const pointer to the array of inner indices.
* This function is aimed at interoperability with other libraries.
* \sa valuePtr(), outerIndexPtr() */
inline const Index* innerIndexPtr() const { return &m_data.index(0); }
inline const Index* innerIndexPtr() const { return m_data.indexPtr(); }
/** \returns a non-const pointer to the array of inner indices.
* This function is aimed at interoperability with other libraries.
* \sa valuePtr(), outerIndexPtr() */
inline Index* innerIndexPtr() { return &m_data.index(0); }
inline Index* innerIndexPtr() { return m_data.indexPtr(); }
/** \returns a const pointer to the array of the starting positions of the inner vectors.
* This function is aimed at interoperability with other libraries.
@ -697,8 +697,8 @@ class SparseMatrix
{
eigen_assert(rows() == cols() && "ONLY FOR SQUARED MATRICES");
this->m_data.resize(rows());
Eigen::Map<Matrix<Index, Dynamic, 1> >(&this->m_data.index(0), rows()).setLinSpaced(0, rows()-1);
Eigen::Map<Matrix<Scalar, Dynamic, 1> >(&this->m_data.value(0), rows()).setOnes();
Eigen::Map<Matrix<Index, Dynamic, 1> >(this->m_data.indexPtr(), rows()).setLinSpaced(0, rows()-1);
Eigen::Map<Matrix<Scalar, Dynamic, 1> >(this->m_data.valuePtr(), rows()).setOnes();
Eigen::Map<Matrix<Index, Dynamic, 1> >(this->m_outerIndex, rows()+1).setLinSpaced(0, rows());
std::free(m_innerNonZeros);
m_innerNonZeros = 0;

4
Eigen/src/SparseCore/SparseRedux.h
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@ -29,7 +29,7 @@ typename internal::traits<SparseMatrix<_Scalar,_Options,_Index> >::Scalar
SparseMatrix<_Scalar,_Options,_Index>::sum() const
{
eigen_assert(rows()>0 && cols()>0 && "you are using a non initialized matrix");
return Matrix<Scalar,1,Dynamic>::Map(&m_data.value(0), m_data.size()).sum();
return Matrix<Scalar,1,Dynamic>::Map(m_data.valuePtr(), m_data.size()).sum();
}
template<typename _Scalar, int _Options, typename _Index>
@ -37,7 +37,7 @@ typename internal::traits<SparseVector<_Scalar,_Options, _Index> >::Scalar
SparseVector<_Scalar,_Options,_Index>::sum() const
{
eigen_assert(rows()>0 && cols()>0 && "you are using a non initialized matrix");
return Matrix<Scalar,1,Dynamic>::Map(&m_data.value(0), m_data.size()).sum();
return Matrix<Scalar,1,Dynamic>::Map(m_data.valuePtr(), m_data.size()).sum();
}
} // end namespace Eigen

10
Eigen/src/SparseCore/SparseVector.h
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@ -84,12 +84,12 @@ class SparseVector
EIGEN_STRONG_INLINE Index innerSize() const { return m_size; }
EIGEN_STRONG_INLINE Index outerSize() const { return 1; }
EIGEN_STRONG_INLINE const Scalar* valuePtr() const { return &m_data.value(0); }
EIGEN_STRONG_INLINE Scalar* valuePtr() { return &m_data.value(0); }
EIGEN_STRONG_INLINE const Scalar* valuePtr() const { return m_data.valuePtr(); }
EIGEN_STRONG_INLINE Scalar* valuePtr() { return m_data.valuePtr(); }
EIGEN_STRONG_INLINE const Index* innerIndexPtr() const { return m_data.indexPtr(); }
EIGEN_STRONG_INLINE Index* innerIndexPtr() { return m_data.indexPtr(); }
EIGEN_STRONG_INLINE const Index* innerIndexPtr() const { return &m_data.index(0); }
EIGEN_STRONG_INLINE Index* innerIndexPtr() { return &m_data.index(0); }
/** \internal */
inline Storage& data() { return m_data; }
/** \internal */