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add .data() member to Diagonal<>

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Gael Guennebaud
2012-01-31 12:44:59 +01:00
parent 18e3ac0f0d
commit 670e3af5a8
1 changed files with 9 additions and 0 deletions
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9
Eigen/src/Core/Diagonal.h
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@@ -101,6 +101,15 @@ template<typename MatrixType, int DiagIndex> class Diagonal
return 0;
}
typedef typename internal::conditional<
internal::is_lvalue<MatrixType>::value,
Scalar,
const Scalar
>::type ScalarWithConstIfNotLvalue;
inline ScalarWithConstIfNotLvalue* data() { return &(m_matrix.const_cast_derived().coeffRef(rowOffset(), colOffset())); }
inline const Scalar* data() const { return &(m_matrix.const_cast_derived().coeffRef(rowOffset(), colOffset())); }
inline Scalar& coeffRef(Index row, Index)
{
EIGEN_STATIC_ASSERT_LVALUE(MatrixType)