template<typename Vector, int NumDimensions, typename = typename std::enable_if<              Vector::RowsAtCompileTime == NumDimensions &&              Vector::ColsAtCompileTime == 1>::type>
struct Sophus::IsFixedSizeVector< Vector, NumDimensions, typename >
If the Vector type is of fixed size, then IsFixedSizeVector::value will be true. 
Definition at line 225 of file types.hpp.