Returns true if the current machine is little endian ! @ingroup Internal */

Checks if Options is set for little endian

@brief return whether value is a floating-point number @sa https://json.nlohmann.me/api/basic_json/is_number_float/

\internal return the index of the coeff at (row,col) or just before if it does not exist. * This is an analogue of std::lower_bound. */

\internal \returns b if a<=0, and returns a otherwise. */

\brief Constructs the Hessenberg matrix H in the decomposition * * \returns expression object representing the matrix H * * \pre Either th

\brief Returns the unitary matrix Q in the decomposition * * \returns object representing the matrix Q * * \pre Either the constructor Tri

\returns the max number of threads reserved for Eigen * \sa setNbThreads */

\returns the outer size. * * \note For a vector, this returns just 1. For a matrix (non-vector), this is the major dimension * with respect t

@brief remove last reference token @sa https://json.nlohmann.me/api/json_pointer/pop_back/

Gets previous sibling node, optionally matching node name. Behaviour is undefined if node has no parent. Use parent() to test if node has a parent. \p

\internal * Queries and returns the cache sizes in Bytes of the L1, L2, and L3 data caches respectively */