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add the missing templated version of block for sub-vectors

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This commit is contained in:
Gael Guennebaud
2008-09-09 09:30:23 +00:00
parent c41ceee750
commit 703539110b
7 changed files with 67 additions and 8 deletions
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38
Eigen/src/Core/Block.h
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@@ -451,6 +451,44 @@ MatrixBase<Derived>::end(int size) const
ColsAtCompileTime == 1 ? 1 : size);
}
/** \returns a fixed-size expression of a sub-vector of \c *this
*
* \only_for_vectors
*
* The template parameter \a Size is the number of coefficients in the block
*
* \param start the index of the first element of the sub-vector
*
* Example: \include MatrixBase_template_int.cpp
* Output: \verbinclude MatrixBase_template_int.out
*
* \sa class Block
*/
template<typename Derived>
template<int Size>
inline typename BlockReturnType<Derived,Size>::SubVectorType
MatrixBase<Derived>::block(int start)
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived);
return Block<Derived, (RowsAtCompileTime == 1 ? 1 : Size),
(ColsAtCompileTime == 1 ? 1 : Size)>
(derived(), RowsAtCompileTime == 1 ? 0 : start,
ColsAtCompileTime == 1 ? 0 : start);
}
/** This is the const version of block<int>(int).*/
template<typename Derived>
template<int Size>
inline const typename BlockReturnType<Derived,Size>::SubVectorType
MatrixBase<Derived>::block(int start) const
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived);
return Block<Derived, (RowsAtCompileTime == 1 ? 1 : Size),
(ColsAtCompileTime == 1 ? 1 : Size)>
(derived(), RowsAtCompileTime == 1 ? 0 : start,
ColsAtCompileTime == 1 ? 0 : start);
}
/** \returns a fixed-size expression of the first coefficients of *this.
*
* \only_for_vectors