[ParL] Add missing explicit template inst. decls.

ParameterLib/CoordinateSystem.h

@@ -50,4 +50,14 @@ private:
     std::array<Parameter<double> const*, 3> _base;
 };
 
+extern template Eigen::Matrix<double, 2, 2> CoordinateSystem::rotateTensor<2>(
+    std::vector<double> const& values, SpatialPosition const& pos) const;
+extern template Eigen::Matrix<double, 3, 3> CoordinateSystem::rotateTensor<3>(
+    std::vector<double> const& values, SpatialPosition const& pos) const;
+extern template Eigen::Matrix<double, 2, 2>
+CoordinateSystem::rotateDiagonalTensor<2>(std::vector<double> const& values,
+                                          SpatialPosition const& pos) const;
+extern template Eigen::Matrix<double, 3, 3>
+CoordinateSystem::rotateDiagonalTensor<3>(std::vector<double> const& values,
+                                          SpatialPosition const& pos) const;
 }  // namespace ParameterLib