* Interface to GiNaC's indexed expressions. */
/*
- * GiNaC Copyright (C) 1999-2006 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2008 Johannes Gutenberg University Mainz, Germany
*
* 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
unsigned precedence() const {return 55;}
bool info(unsigned inf) const;
ex eval(int level = 0) const;
+ ex real_part() const;
+ ex imag_part() const;
exvector get_free_indices() const;
+ /** Save (a.k.a. serialize) indexed object into archive. */
+ void archive(archive_node& n) const;
+ /** Read (a.k.a. deserialize) indexed object from archive. */
+ void read_archive(const archive_node& n, lst& syms);
protected:
ex derivative(const symbol & s) const;
ex thiscontainer(const exvector & v) const;
ex thiscontainer(std::auto_ptr<exvector> vp) const;
unsigned return_type() const;
- tinfo_t return_type_tinfo() const { return op(0).return_type_tinfo(); }
+ return_type_t return_type_tinfo() const { return op(0).return_type_tinfo(); }
ex expand(unsigned options = 0) const;
// new virtual functions which can be overridden by derived classes
protected:
ex symtree; /**< Index symmetry (tree of symmetry objects) */
};
+GINAC_DECLARE_UNARCHIVER(indexed);
class spmapkey {
/** This function returns the given expression with expanded sums
* for all dummy index summations, where the dimensionality of
- * the dummy index is numeric.
+ * the dummy index is a nonnegative integer.
* Optionally all indices with a variance will be substituted by
* indices with the corresponding numeric values without variance.
*