Univariate Hensel lifting now uses upoly.

[ginac.git] / ginac / tensor.h

diff --git a/ginac/tensor.h b/ginac/tensor.h
index daf869e67f98140d93665f3258c6640d9bb77c54..33859b1122754508fcd86716aae63211919ff16b 100644 (file)
--- a/ginac/tensor.h
+++ b/ginac/tensor.h
@@ -24,6 +24,7 @@
 #define __GINAC_TENSOR_H__
 
 #include "ex.h"
+#include "archive.h"
 
 namespace GiNaC {
 
@@ -35,10 +36,6 @@ class tensor : public basic
 {
        GINAC_DECLARE_REGISTERED_CLASS(tensor, basic)
 
-       // other constructors
-protected:
-       tensor(tinfo_t ti) : inherited(ti) {}
-
        // functions overriding virtual functions from base classes
 protected:
        unsigned return_type() const { return return_types::noncommutative_composite; }
@@ -70,6 +67,7 @@ protected:
        void do_print(const print_context & c, unsigned level) const;
        void do_print_latex(const print_latex & c, unsigned level) const;
 };
+GINAC_DECLARE_UNARCHIVER(tensdelta);
 
 
 /** This class represents a general metric tensor which can be used to
@@ -90,6 +88,7 @@ protected:
        unsigned return_type() const { return return_types::commutative; }
        void do_print(const print_context & c, unsigned level) const;
 };
+GINAC_DECLARE_UNARCHIVER(tensmetric);
 
 
 /** This class represents a Minkowski metric tensor. It has all the
@@ -109,6 +108,10 @@ public:
        bool info(unsigned inf) const;
        ex eval_indexed(const basic & i) const;
 
+       /** Save (a.k.a. serialize) object into archive. */
+       void archive(archive_node& n) const;
+       /** Read (a.k.a. deserialize) object from archive. */
+       void read_archive(const archive_node& n, lst& syms);
        // non-virtual functions in this class
 protected:
        unsigned return_type() const { return return_types::commutative; }
@@ -119,6 +122,7 @@ protected:
 private:
        bool pos_sig; /**< If true, the metric is diag(-1,1,1...). Otherwise it is diag(1,-1,-1,...). */
 };
+GINAC_DECLARE_UNARCHIVER(minkmetric); 
 
 
 /** This class represents an antisymmetric spinor metric tensor which
@@ -135,11 +139,11 @@ public:
        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;
 };
+GINAC_DECLARE_UNARCHIVER(spinmetric);
 
 
 /** This class represents the totally antisymmetric epsilon tensor. If
@@ -159,6 +163,10 @@ public:
        ex eval_indexed(const basic & i) const;
        bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const;
 
+       /** Save (a.k.a. serialize) object into archive. */
+       void archive(archive_node& n) const;
+       /** Read (a.k.a. deserialize) object from archive. */
+       void read_archive(const archive_node& n, lst& syms);
        // non-virtual functions in this class
 protected:
        unsigned return_type() const { return return_types::commutative; }
@@ -170,6 +178,7 @@ 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. */
 };
+GINAC_DECLARE_UNARCHIVER(tensepsilon); 
 
 
 // utility functions