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Warn users against dangerous macros.

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Also, mark EIGEN_DEFAULT_TO_ROW_MAJOR as internal (see also bug #422).
This commit is contained in:
Jitse Niesen
2012-05-13 21:42:45 +01:00
parent ce2e2fe336
commit b5f70814c1
2 changed files with 12 additions and 8 deletions
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6
doc/I15_StorageOrders.dox
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@@ -60,10 +60,8 @@ parameter is set to \c RowMajor, then the matrix or array is stored in row-major
\c ColMajor, then it is stored in column-major order. This mechanism is used in the above Eigen program to
specify the storage order.
If the storage order is not specified, then Eigen normally defaults to storing the entry in column-major
order. This is also the case if one of the convenience typedefs (\c Matrix3f, \c ArrayXXd, etc.) is
used. However, it is possible to change the default to row-major order by defining the
\c EIGEN_DEFAULT_TO_ROW_MAJOR \ref TopicPreprocessorDirectives "preprocessor directive".
If the storage order is not specified, then Eigen defaults to storing the entry in column-major. This is also
the case if one of the convenience typedefs (\c Matrix3f, \c ArrayXXd, etc.) is used.
Matrices and arrays using one storage order can be assigned to matrices and arrays using the other storage
order, as happens in the above program when \c Arowmajor is initialized using \c Acolmajor. Eigen will reorder