*
* 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
// hash keys. That is, the hash values must not depend on the index
// dimensions or other attributes (variance etc.).
// The compare_same_type() methods will take care of the rest.
// hash keys. That is, the hash values must not depend on the index
// dimensions or other attributes (variance etc.).
// The compare_same_type() methods will take care of the rest.