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patch by Patrick Mihelich: use empty struct + anonymous namespace for NoChange

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This commit is contained in:
Benoit Jacob 2009-06-25 03:33:47 +02:00
parent 60e6ac3178
commit 6ccb97620a
1 changed files with 10 additions and 1 deletions
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11
Eigen/src/Core/util/Constants.h
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@ -241,7 +241,16 @@ enum {
DontAlign = 0x2
};
enum NoChange_t { NoChange };
/* the following could as well be written:
* enum NoChange_t { NoChange };
* but it feels dangerous to disambiguate overloaded functions on enum/integer types.
* If on some platform it is really impossible to get rid of "unused variable" warnings, then
* we can always come back to that solution.
*/
struct NoChange_t {};
namespace {
EIGEN_UNUSED NoChange_t NoChange;
}
enum {
IsDense = 0,