* Interface to GiNaC's special tensors. */
/*
- * GiNaC Copyright (C) 1999-2002 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
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __GINAC_TENSOR_H__
// other constructors
protected:
- tensor(unsigned ti) : inherited(ti) {}
+ tensor(tinfo_t ti) : inherited(ti) {}
// functions overriding virtual functions from base classes
protected:
- unsigned return_type(void) const { return return_types::noncommutative_composite; }
+ unsigned return_type() const { return return_types::noncommutative_composite; }
// non-virtual functions in this class
public:
// functions overriding virtual functions from base classes
public:
- void print(const print_context & c, unsigned level = 0) const;
+ bool info(unsigned inf) const;
ex eval_indexed(const basic & i) const;
bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const;
+
+ // non-virtual functions in this class
+protected:
+ unsigned return_type() const { return return_types::commutative; }
+ void do_print(const print_context & c, unsigned level) const;
+ void do_print_latex(const print_latex & c, unsigned level) const;
};
// functions overriding virtual functions from base classes
public:
- void print(const print_context & c, unsigned level = 0) const;
+ bool info(unsigned inf) const;
ex eval_indexed(const basic & i) const;
bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const;
+
+ // non-virtual functions in this class
+protected:
+ unsigned return_type() const { return return_types::commutative; }
+ void do_print(const print_context & c, unsigned level) const;
};
// functions overriding virtual functions from base classes
public:
- void print(const print_context & c, unsigned level = 0) const;
+ bool info(unsigned inf) const;
ex eval_indexed(const basic & i) const;
+ // non-virtual functions in this class
+protected:
+ unsigned return_type() const { return return_types::commutative; }
+ void do_print(const print_context & c, unsigned level) const;
+ void do_print_latex(const print_latex & c, unsigned level) const;
+
// member variables
private:
bool pos_sig; /**< If true, the metric is diag(-1,1,1...). Otherwise it is diag(1,-1,-1,...). */
// functions overriding virtual functions from base classes
public:
- void print(const print_context & c, unsigned level = 0) const;
+ bool info(unsigned inf) const;
ex eval_indexed(const basic & i) const;
bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const;
+
+ // non-virtual functions in this class
+protected:
+ void do_print(const print_context & c, unsigned level) const;
+ void do_print_latex(const print_latex & c, unsigned level) const;
};
// functions overriding virtual functions from base classes
public:
- void print(const print_context & c, unsigned level = 0) const;
+ bool info(unsigned inf) const;
ex eval_indexed(const basic & i) const;
bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const;
+ // non-virtual functions in this class
+protected:
+ unsigned return_type() const { return return_types::commutative; }
+ void do_print(const print_context & c, unsigned level) const;
+ void do_print_latex(const print_latex & c, unsigned level) const;
+
// member variables
private:
bool minkowski; /**< If true, tensor is in Minkowski-type space. Otherwise it is in a Euclidean space. */
- bool pos_sig; /**< If true, the metric is assumed to be diag(-1,1,1...). Otherwise it is diag(1,-1,-1,...). This is only relevant if minkowski = true. */
+ bool pos_sig; /**< If true, the metric is assumed to be diag(-1,1,1...). Otherwise it is diag(1,-1,-1,...). This is only relevant if minkowski = true. */
};