X-Git-Url: https://ginac.de/ginac.git//ginac.git?a=blobdiff_plain;ds=sidebyside;f=ginac%2Ftensor.h;h=ac0db7c18c307e5c4e43f7fcca1f9e3209bde2ea;hb=354bd94b7a2e981dada57773790d098bba59fc93;hp=712ec7e131539ce8aaf3c92e815f52486521d1a0;hpb=68fdf425abf14d016d5f95ee7b9d06a19a3c5926;p=ginac.git

diff --git a/ginac/tensor.h b/ginac/tensor.h
index 712ec7e1..ac0db7c1 100644
--- a/ginac/tensor.h
+++ b/ginac/tensor.h
@@ -3,7 +3,7 @@
  *  Interface to GiNaC's special tensors. */
 
 /*
- *  GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2005 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
@@ -60,9 +60,13 @@ class tensdelta : public tensor
 
 	// functions overriding virtual functions from base classes
 public:
-	void print(const print_context & c, unsigned level = 0) 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;
 };
 
 
@@ -75,9 +79,12 @@ class tensmetric : public tensor
 
 	// functions overriding virtual functions from base classes
 public:
-	void print(const print_context & c, unsigned level = 0) 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;
 };
 
 
@@ -95,9 +102,13 @@ public:
 
 	// functions overriding virtual functions from base classes
 public:
-	void print(const print_context & c, unsigned level = 0) const;
 	ex eval_indexed(const basic & i) 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;
+
 	// member variables
 private:
 	bool pos_sig; /**< If true, the metric is diag(-1,1,1...). Otherwise it is diag(1,-1,-1,...). */
@@ -114,9 +125,13 @@ class spinmetric : public tensmetric
 
 	// functions overriding virtual functions from base classes
 public:
-	void print(const print_context & c, unsigned level = 0) 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;
 };
 
 
@@ -133,10 +148,14 @@ public:
 
 	// functions overriding virtual functions from base classes
 public:
-	void print(const print_context & c, unsigned level = 0) 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;
+
 	// member variables
 private:
 	bool minkowski; /**< If true, tensor is in Minkowski-type space. Otherwise it is in a Euclidean space. */