X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fclifford.cpp;h=07da693545580a59f73a12a0fb192b5de7878ce7;hp=c76fff234cf57bbbc24b9797c2bc96e1637a0f75;hb=931ece4838fcef7b9ec71761d224e2e1cd11a89d;hpb=cb078dba2a491d80a34924b29bd8d3992c18b7fe

diff --git a/ginac/clifford.cpp b/ginac/clifford.cpp
index c76fff23..07da6935 100644
--- a/ginac/clifford.cpp
+++ b/ginac/clifford.cpp
@@ -46,8 +46,6 @@ GINAC_IMPLEMENT_REGISTERED_CLASS_OPT(clifford, indexed,
   print_func<print_dflt>(&clifford::do_print_dflt).
   print_func<print_latex>(&clifford::do_print_latex))
 
-const tinfo_static_t clifford::return_type_tinfo_static[256] = {{}};
-
 GINAC_IMPLEMENT_REGISTERED_CLASS_OPT(diracone, tensor,
   print_func<print_dflt>(&diracone::do_print).
   print_func<print_latex>(&diracone::do_print_latex))
@@ -78,7 +76,6 @@ GINAC_IMPLEMENT_REGISTERED_CLASS_OPT(diracgammaR, tensor,
 
 clifford::clifford() : representation_label(0), metric(0), commutator_sign(-1)
 {
-	tinfo_key = &clifford::tinfo_static;
 }
 
 DEFAULT_CTOR(diracone)
@@ -97,7 +94,6 @@ DEFAULT_CTOR(diracgammaR)
  *  @see dirac_ONE */
 clifford::clifford(const ex & b, unsigned char rl) : inherited(b), representation_label(rl), metric(0), commutator_sign(-1)
 {
-	tinfo_key = &clifford::tinfo_static;
 }
 
 /** Construct object with one Lorentz index. This constructor is for internal
@@ -107,25 +103,28 @@ clifford::clifford(const ex & b, unsigned char rl) : inherited(b), representatio
 clifford::clifford(const ex & b, const ex & mu, const ex & metr, unsigned char rl, int comm_sign) : inherited(b, mu), representation_label(rl), metric(metr), commutator_sign(comm_sign)
 {
 	GINAC_ASSERT(is_a<varidx>(mu));
-	tinfo_key = &clifford::tinfo_static;
 }
 
 clifford::clifford(unsigned char rl, const ex & metr, int comm_sign, const exvector & v, bool discardable) : inherited(not_symmetric(), v, discardable), representation_label(rl), metric(metr), commutator_sign(comm_sign)
 {
-	tinfo_key = &clifford::tinfo_static;
 }
 
 clifford::clifford(unsigned char rl, const ex & metr, int comm_sign, std::auto_ptr<exvector> vp) : inherited(not_symmetric(), vp), representation_label(rl), metric(metr), commutator_sign(comm_sign)
 {
-	tinfo_key = &clifford::tinfo_static;
+}
+
+return_type_t clifford::return_type_tinfo() const
+{
+	return make_return_type_t<clifford>(representation_label);
 }
 
 //////////
 // archiving
 //////////
 
-clifford::clifford(const archive_node & n, lst & sym_lst) : inherited(n, sym_lst)
+void clifford::read_archive(const archive_node& n, lst& sym_lst)
 {
+	inherited::read_archive(n, sym_lst);
 	unsigned rl;
 	n.find_unsigned("label", rl);
 	representation_label = rl;
@@ -142,13 +141,12 @@ void clifford::archive(archive_node & n) const
 	n.add_unsigned("commutator_sign+1", commutator_sign+1);
 }
 
-DEFAULT_UNARCHIVE(clifford)
-DEFAULT_ARCHIVING(diracone)
-DEFAULT_ARCHIVING(cliffordunit)
-DEFAULT_ARCHIVING(diracgamma)
-DEFAULT_ARCHIVING(diracgamma5)
-DEFAULT_ARCHIVING(diracgammaL)
-DEFAULT_ARCHIVING(diracgammaR)
+GINAC_BIND_UNARCHIVER(clifford);
+GINAC_BIND_UNARCHIVER(diracone);
+GINAC_BIND_UNARCHIVER(diracgamma);
+GINAC_BIND_UNARCHIVER(diracgamma5);
+GINAC_BIND_UNARCHIVER(diracgammaL);
+GINAC_BIND_UNARCHIVER(diracgammaR);
 
 
 ex clifford::get_metric(const ex & i, const ex & j, bool symmetrised) const
@@ -811,19 +809,11 @@ ex dirac_slash(const ex & e, const ex & dim, unsigned char rl)
    return clifford(e, varidx(0, dim), indexed((new minkmetric)->setflag(status_flags::dynallocated), symmetric2(), xi, chi), rl);
 }
 
-/** Check whether a given tinfo key (as returned by return_type_tinfo()
- *  is that of a clifford object (with an arbitrary representation label). */
-bool is_clifford_tinfo(tinfo_t ti)
-{
-	p_int start_loc=(p_int)&clifford::return_type_tinfo_static;
-	return (p_int)ti>=start_loc && (p_int)ti<start_loc+256;
-}
-
 /** Extract representation label from tinfo key (as returned by
  *  return_type_tinfo()). */
-static unsigned char get_representation_label(tinfo_t ti)
+static unsigned char get_representation_label(const return_type_t& ti)
 {
-	return (unsigned char)((p_int)ti-(p_int)&clifford::return_type_tinfo_static);
+	return (unsigned char)ti.rl;
 }
 
 /** Take trace of a string of an even number of Dirac gammas given a vector