*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/** This class holds one index of an indexed object. Indices can
* theoretically consist of any symbolic expression but they are usually
* only just a symbol (e.g. "mu", "i") or numeric (integer). Indices belong
/** This class holds one index of an indexed object. Indices can
* theoretically consist of any symbolic expression but they are usually
* only just a symbol (e.g. "mu", "i") or numeric (integer). Indices belong