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-rw-r--r--Eigen/src/Geometry/Rotation2D.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/Eigen/src/Geometry/Rotation2D.h b/Eigen/src/Geometry/Rotation2D.h
index a48e6337a..4339e0f0f 100644
--- a/Eigen/src/Geometry/Rotation2D.h
+++ b/Eigen/src/Geometry/Rotation2D.h
@@ -25,6 +25,8 @@
#ifndef EIGEN_ROTATION2D_H
#define EIGEN_ROTATION2D_H
+namespace Eigen {
+
/** \geometry_module \ingroup Geometry_Module
*
* \class Rotation2D
@@ -162,4 +164,6 @@ Rotation2D<Scalar>::toRotationMatrix(void) const
return (Matrix2() << cosA, -sinA, sinA, cosA).finished();
}
+} // end namespace Eigen
+
#endif // EIGEN_ROTATION2D_H