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bug #360: add value_type typedef to DenseBase/SparseMatrixBase

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This commit is contained in:
Gael Guennebaud 2015-04-24 09:44:24 +02:00
parent c460af414e
commit 40258078c6
4 changed files with 26 additions and 9 deletions
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7
Eigen/src/Core/DenseBase.h
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@ -66,7 +66,14 @@ template<typename Derived> class DenseBase
*/
typedef typename internal::traits<Derived>::StorageIndex StorageIndex;
/** The numeric type of the expression' coefficients, e.g. float, double, int or std::complex<float>, etc. */
typedef typename internal::traits<Derived>::Scalar Scalar;
/** The numeric type of the expression' coefficients, e.g. float, double, int or std::complex<float>, etc.
*
* It is an alias for the Scalar type */
typedef Scalar value_type;
typedef typename internal::packet_traits<Scalar>::type PacketScalar;
typedef typename NumTraits<Scalar>::Real RealScalar;

1
Eigen/src/Core/PlainObjectBase.h
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@ -96,6 +96,7 @@ class PlainObjectBase : public internal::dense_xpr_base<Derived>::type
typedef typename internal::traits<Derived>::StorageKind StorageKind;
typedef typename internal::traits<Derived>::Scalar Scalar;
typedef typename internal::packet_traits<Scalar>::type PacketScalar;
typedef typename NumTraits<Scalar>::Real RealScalar;
typedef Derived DenseType;

21
Eigen/src/SparseCore/SparseMatrix.h
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@ -262,22 +262,25 @@ class SparseMatrix
#ifdef EIGEN_PARSED_BY_DOXYGEN
/** Preallocates \a reserveSize[\c j] non zeros for each column (resp. row) \c j.
*
* This function turns the matrix in non-compressed mode */
* This function turns the matrix in non-compressed mode.
*
* The type \c SizesType must expose the following interface:
\code
typedef value_type;
const value_type& operator[](i) const;
\endcode
* for \c i in the [0,this->outerSize()[ range.
* Typical choices include std::vector<int>, Eigen::VectorXi, Eigen::VectorXi::Constant, etc.
*/
template<class SizesType>
inline void reserve(const SizesType& reserveSizes);
#else
template<class SizesType>
inline void reserve(const SizesType& reserveSizes, const typename SizesType::value_type& enableif = typename SizesType::value_type())
{
EIGEN_UNUSED_VARIABLE(enableif);
reserveInnerVectors(reserveSizes);
}
template<class SizesType>
inline void reserve(const SizesType& reserveSizes, const typename SizesType::Scalar& enableif =
inline void reserve(const SizesType& reserveSizes, const typename SizesType::value_type& enableif =
#if (!EIGEN_COMP_MSVC) || (EIGEN_COMP_MSVC>=1500) // MSVC 2005 fails to compile with this typename
typename
#endif
SizesType::Scalar())
SizesType::value_type())
{
EIGEN_UNUSED_VARIABLE(enableif);
reserveInnerVectors(reserveSizes);

6
Eigen/src/SparseCore/SparseMatrixBase.h
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@ -28,6 +28,12 @@ template<typename Derived> class SparseMatrixBase : public EigenBase<Derived>
public:
typedef typename internal::traits<Derived>::Scalar Scalar;
/** The numeric type of the expression' coefficients, e.g. float, double, int or std::complex<float>, etc.
*
* It is an alias for the Scalar type */
typedef Scalar value_type;
typedef typename internal::packet_traits<Scalar>::type PacketScalar;
typedef typename internal::traits<Derived>::StorageKind StorageKind;
typedef typename internal::traits<Derived>::StorageIndex StorageIndex;