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Eigen
3.3.4
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Base class for dense Map and Block expression with direct access.
This base class provides the const low-level accessors (e.g. coeff, coeffRef) of dense Map and Block objects with direct access. Typical users do not have to directly deal with this class.
This class can be extended by through the macro plugin EIGEN_MAPBASE_PLUGIN
. See customizing Eigen for details.
The Derived
class has to provide the following two methods describing the memory layout:
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const Scalar & | coeff (Index rowId, Index colId) const |
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const Scalar & | coeff (Index index) const |
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const Scalar & | coeffRef (Index rowId, Index colId) const |
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const Scalar & | coeffRef (Index index) const |
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Index | cols () const |
const Scalar * | data () const |
Index | rows () const |
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const
const
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const
const
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const
This is an overloaded version of DenseCoeffsBase<Derived,WriteAccessors>::coeffRef(Index,Index) const provided to by-pass the creation of an evaluator of the expression, thus saving compilation efforts.
See DenseCoeffsBase<Derived,WriteAccessors>::coeffRef(Index,Index) const for details. const
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const
This is an overloaded version of DenseCoeffsBase<Derived,WriteAccessors>::coeffRef(Index) const provided to by-pass the creation of an evaluator of the expression, thus saving compilation efforts.
See DenseCoeffsBase<Derived,WriteAccessors>::coeffRef(Index) const for details. const
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Returns a pointer to the first coefficient of the matrix or vector.
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