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relax Matrix/Array(Index) ctors to allow size 0, add test.

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Benoit Jacob
2011-02-01 07:46:02 -05:00
parent faa1284c12
commit 2d09b11a97
4 changed files with 8 additions and 3 deletions
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doc/A05_PortingFrom2To3.dox
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@@ -22,7 +22,11 @@ and gives tips to help porting your application from Eigen2 to Eigen3.
\section CompatibilitySupport Eigen2 compatibility support
In order to ease the switch from Eigen2 to Eigen3, Eigen3 features a compatibility mode which can be enabled by defining the EIGEN2_SUPPORT preprocessor token \b before including any Eigen header (typically it should be set in your project options).
In order to ease the switch from Eigen2 to Eigen3, Eigen3 features a Eigen2 support modes \ref TopicResizing "this page"..
The quick way to enable this is to define the EIGEN2_SUPPORT preprocessor token \b before including any Eigen header (typically it should be set in your project options).
Moreover, we also provided a staged migration path which may be useful to migrate large projects
\section Using The USING_PART_OF_NAMESPACE_EIGEN macro