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Blaze
3.6
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Base template for the ColumnsTrait class. More...
#include <ColumnsTrait.h>
Base template for the ColumnsTrait class.
The ColumnsTrait class template offers the possibility to select the resulting data type when creating a view on a set of columns of a dense or sparse matrix. ColumnsTrait defines the nested type Type, which represents the resulting data type of the columns operation. In case the given data type is not a dense or sparse matrix type, the resulting data type Type is set to INVALID_TYPE. Note that const and volatile qualifiers and reference modifiers are generally ignored.
Per default, ColumnsTrait supports all matrix types of the Blaze library (including views and adaptors). For all other data types it is possible to specialize the ColumnsTrait template. The following example shows the according specialization for the DynamicMatrix class template:
The following example demonstrates the use of the ColumnsTrait template, where depending on the given matrix type the resulting columns type is selected: