3 * Implementation of GiNaC's isospin objects.
4 * No real implementation yet, to be done. */
7 * GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
34 #ifndef NO_NAMESPACE_GINAC
36 #endif // ndef NO_NAMESPACE_GINAC
38 GINAC_IMPLEMENT_REGISTERED_CLASS(isospin, indexed)
41 // default constructor, destructor, copy constructor assignment operator and helpers
48 debugmsg("isospin default constructor",LOGLEVEL_CONSTRUCT);
50 name=autoname_prefix()+ToString(serial);
51 tinfo_key=TINFO_isospin;
56 void isospin::copy(const isospin & other)
58 inherited::copy(other);
63 void isospin::destroy(bool call_parent)
66 inherited::destroy(call_parent);
76 isospin::isospin(const std::string & initname)
78 debugmsg("isospin constructor from string",LOGLEVEL_CONSTRUCT);
81 tinfo_key=TINFO_isospin;
88 /** Construct object from archive_node. */
89 isospin::isospin(const archive_node &n, const lst &sym_lst) : inherited(n, sym_lst)
91 debugmsg("isospin constructor from archive_node", LOGLEVEL_CONSTRUCT);
92 serial = next_serial++;
93 if (!(n.find_string("name", name)))
94 name = autoname_prefix() + ToString(serial);
95 tinfo_key = TINFO_isospin;
98 /** Unarchive the object. */
99 ex isospin::unarchive(const archive_node &n, const lst &sym_lst)
101 ex s = (new isospin(n, sym_lst))->setflag(status_flags::dynallocated);
103 // If isospin is in sym_lst, return the existing isospin
104 for (unsigned i=0; i<sym_lst.nops(); i++) {
105 if (is_ex_of_type(sym_lst.op(i), isospin) && (ex_to_isospin(sym_lst.op(i)).name == ex_to_isospin(s).name))
106 return sym_lst.op(i);
111 /** Archive the object. */
112 void isospin::archive(archive_node &n) const
114 inherited::archive(n);
115 n.add_string("name", name);
119 // functions overriding virtual functions from bases classes
124 basic * isospin::duplicate() const
126 debugmsg("isospin duplicate",LOGLEVEL_DUPLICATE);
127 return new isospin(*this);
130 void isospin::printraw(std::ostream & os) const
132 debugmsg("isospin printraw",LOGLEVEL_PRINT);
133 os << "isospin(" << "name=" << name << ",serial=" << serial
136 os << ",hash=" << hashvalue << ",flags=" << flags << ")";
139 void isospin::printtree(std::ostream & os, unsigned indent) const
141 debugmsg("isospin printtree",LOGLEVEL_PRINT);
142 os << std::string(indent,' ') << name << " (isospin): "
143 << "serial=" << serial << ","
144 << seq.size() << "indices=";
145 printtreeindices(os,indent);
146 os << ", hash=" << hashvalue
147 << " (0x" << std::hex << hashvalue << std::dec << ")"
148 << ", flags=" << flags << std::endl;
151 void isospin::print(std::ostream & os, unsigned upper_precedence) const
153 debugmsg("isospin print",LOGLEVEL_PRINT);
158 void isospin::printcsrc(std::ostream & os, unsigned type, unsigned upper_precedence) const
160 debugmsg("isospin print csrc",LOGLEVEL_PRINT);
161 print(os,upper_precedence);
164 bool isospin::info(unsigned inf) const
166 return inherited::info(inf);
171 int isospin::compare_same_type(const basic & other) const
173 GINAC_ASSERT(other.tinfo() == TINFO_isospin);
174 const isospin *o = static_cast<const isospin *>(&other);
175 if (serial==o->serial) {
176 return inherited::compare_same_type(other);
178 return serial < o->serial ? -1 : 1;
181 ex isospin::simplify_ncmul(const exvector & v) const
183 return simplified_ncmul(v);
186 unsigned isospin::calchash(void) const
188 hashvalue = golden_ratio_hash(golden_ratio_hash(0x55555556U ^
189 golden_ratio_hash(tinfo_key) ^ serial));
190 setflag(status_flags::hash_calculated);
195 // virtual functions which can be overridden by derived classes
201 // non-virtual functions in this class
204 void isospin::setname(const std::string & n)
211 std::string & isospin::autoname_prefix(void)
213 static std::string * s = new std::string("isospin");
218 // static member variables
223 unsigned isospin::next_serial=0;
225 #ifndef NO_NAMESPACE_GINAC
227 #endif // ndef NO_NAMESPACE_GINAC