3 * Implementation of GiNaC's index carrying objects. */
6 * GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
33 // default constructor, destructor, copy constructor assignment operator and helpers
40 debugmsg("indexed default constructor",LOGLEVEL_CONSTRUCT);
41 tinfo_key=TINFO_indexed;
46 debugmsg("indexed destructor",LOGLEVEL_DESTRUCT);
50 indexed::indexed(indexed const & other)
52 debugmsg("indexed copy constructor",LOGLEVEL_CONSTRUCT);
56 indexed const & indexed::operator=(indexed const & other)
58 debugmsg("indexed operator=",LOGLEVEL_ASSIGNMENT);
68 void indexed::copy(indexed const & other)
73 void indexed::destroy(bool call_parent)
76 exprseq::destroy(call_parent);
86 indexed::indexed(ex const & i1) : exprseq(i1)
88 debugmsg("indexed constructor from ex",LOGLEVEL_CONSTRUCT);
89 tinfo_key=TINFO_indexed;
90 GINAC_ASSERT(all_of_type_idx());
93 indexed::indexed(ex const & i1, ex const & i2) : exprseq(i1,i2)
95 debugmsg("indexed constructor from ex,ex",LOGLEVEL_CONSTRUCT);
96 tinfo_key=TINFO_indexed;
97 GINAC_ASSERT(all_of_type_idx());
100 indexed::indexed(ex const & i1, ex const & i2, ex const & i3)
103 debugmsg("indexed constructor from ex,ex,ex",LOGLEVEL_CONSTRUCT);
104 tinfo_key=TINFO_indexed;
105 GINAC_ASSERT(all_of_type_idx());
108 indexed::indexed(exvector const & iv) : exprseq(iv)
110 debugmsg("indexed constructor from exvector",LOGLEVEL_CONSTRUCT);
111 tinfo_key=TINFO_indexed;
112 GINAC_ASSERT(all_of_type_idx());
115 indexed::indexed(exvector * ivp) : exprseq(ivp)
117 debugmsg("indexed constructor from exvector *",LOGLEVEL_CONSTRUCT);
118 tinfo_key=TINFO_indexed;
119 GINAC_ASSERT(all_of_type_idx());
123 // functions overriding virtual functions from bases classes
128 basic * indexed::duplicate() const
130 debugmsg("indexed duplicate",LOGLEVEL_DUPLICATE);
131 return new indexed(*this);
134 void indexed::printraw(ostream & os) const
136 debugmsg("indexed printraw",LOGLEVEL_PRINT);
137 os << "indexed(indices=";
139 os << ",hash=" << hashvalue << ",flags=" << flags << ")";
142 void indexed::printtree(ostream & os, unsigned indent) const
144 debugmsg("indexed printtree",LOGLEVEL_PRINT);
145 os << string(indent,' ') << "indexed: " << seq.size() << " indices";
146 os << ",hash=" << hashvalue << ",flags=" << flags << endl;
147 printtreeindices(os,indent);
150 void indexed::print(ostream & os, unsigned upper_precedence) const
152 debugmsg("indexed print",LOGLEVEL_PRINT);
153 os << "UNNAMEDINDEX";
157 void indexed::printcsrc(ostream & os, unsigned type,
158 unsigned upper_precedence) const
160 debugmsg("indexed print csrc",LOGLEVEL_PRINT);
161 print(os,upper_precedence);
164 bool indexed::info(unsigned inf) const
166 if (inf==info_flags::indexed) return true;
167 if (inf==info_flags::has_indices) return seq.size()!=0;
168 return exprseq::info(inf);
171 exvector indexed::get_indices(void) const
176 idxvector filtered_indices;
177 filtered_indices.reserve(indices.size());
178 for (idxvector::const_iterator cit=indices.begin(); cit!=indices.end(); ++cit) {
179 if ((*cit).get_type()==t) {
180 filtered_indices.push_back(*cit);
183 return filtered_indices;
189 int indexed::compare_same_type(basic const & other) const
191 GINAC_ASSERT(is_of_type(other,indexed));
192 return exprseq::compare_same_type(other);
195 bool indexed::is_equal_same_type(basic const & other) const
197 GINAC_ASSERT(is_of_type(other,indexed));
198 return exprseq::is_equal_same_type(other);
201 unsigned indexed::return_type(void) const
203 return return_types::noncommutative;
206 unsigned indexed::return_type_tinfo(void) const
211 ex indexed::thisexprseq(exvector const & v) const
216 ex indexed::thisexprseq(exvector * vp) const
222 // virtual functions which can be overridden by derived classes
228 // non-virtual functions in this class
233 void indexed::printrawindices(ostream & os) const
236 for (exvector::const_iterator cit=seq.begin(); cit!=seq.end(); ++cit) {
243 void indexed::printtreeindices(ostream & os, unsigned indent) const
246 for (exvector::const_iterator cit=seq.begin(); cit!=seq.end(); ++cit) {
247 os << string(indent+delta_indent,' ');
254 void indexed::printindices(ostream & os) const
260 exvector::const_iterator last=seq.end()-1;
261 exvector::const_iterator cit=seq.begin();
262 for (; cit!=last; ++cit) {
273 bool indexed::all_of_type_idx(void) const
275 // used only inside of ASSERTs
276 for (exvector::const_iterator cit=seq.begin(); cit!=seq.end(); ++cit) {
277 if (!is_ex_of_type(*cit,idx)) return false;
283 // static member variables
292 const indexed some_indexed;
293 type_info const & typeid_indexed=typeid(some_indexed);