-/** @file expairseq.h */
-
-#ifndef _EXPAIRSEQ_H_
-#define _EXPAIRSEQ_H_
+/** @file expairseq.h
+ *
+ * Interface to sequences of expression pairs. */
+
+/*
+ * GiNaC Copyright (C) 1999-2000 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __GINAC_EXPAIRSEQ_H__
+#define __GINAC_EXPAIRSEQ_H__
#include <vector>
#include <list>
-class expairseq;
+// CINT needs <algorithm> to work properly with <vector> and <list>
+//#include <algorithm>
-#include "basic.h"
-#include "ex.h"
-#include "numeric.h"
-#include "debugmsg.h"
#include "expair.h"
+#ifndef NO_NAMESPACE_GINAC
+namespace GiNaC {
+#endif // ndef NO_NAMESPACE_GINAC
+
//#define EXPAIRSEQ_USE_HASHTAB
typedef vector<expair> epvector;
inline void iter_swap(epvector::iterator it1, epvector::iterator it2)
{
- debugmsg("iter_swap epvector",LOGLEVEL_NONMEMBER_FUNCTION);
(*it1).rest.swap((*it2).rest);
(*it1).coeff.swap((*it2).coeff);
}
* the same way.) */
class expairseq : public basic
{
+ GINAC_DECLARE_REGISTERED_CLASS(expairseq, basic)
+
// member functions
// default constructor, destructor, copy constructor assignment operator and helpers
public:
- expairseq() : basic(TINFO_EXPAIRSEQ)
+ expairseq() : basic(TINFO_expairseq)
#ifdef EXPAIRSEQ_USE_HASHTAB
, hashtabsize(0)
#endif // def EXPAIRSEQ_USE_HASHTAB
{
- debugmsg("expairseq default constructor",LOGLEVEL_CONSTRUCT);
}
~expairseq()
{
- debugmsg("expairseq destructor",LOGLEVEL_DESTRUCT);
destroy(0);
}
- expairseq(expairseq const & other);
- expairseq const & operator=(expairseq const & other);
+ expairseq(const expairseq & other);
+ const expairseq & operator=(const expairseq & other);
protected:
- void copy(expairseq const & other);
+ void copy(const expairseq & other);
void destroy(bool call_parent)
{
if (call_parent) basic::destroy(call_parent);
// other constructors
public:
- expairseq(ex const & lh, ex const & rh);
- expairseq(exvector const & v);
- expairseq(epvector const & v, ex const & oc);
- expairseq(epvector * vp, ex const & oc); // vp will be deleted
+ expairseq(const ex & lh, const ex & rh);
+ expairseq(const exvector & v);
+ expairseq(const epvector & v, const ex & oc);
+ expairseq(epvector * vp, const ex & oc); // vp will be deleted
// functions overriding virtual functions from bases classes
public:
basic * duplicate() const;
+ void print(ostream & os, unsigned upper_precedence=0) const;
void printraw(ostream & os) const;
void printtree(ostream & os, unsigned indent) const;
- void print(ostream & os, unsigned upper_precedence=0) const;
bool info(unsigned inf) const;
- int nops() const;
- ex op(int const i) const;
- ex & let_op(int const i);
+ unsigned nops() const;
+ ex op(int i) const;
+ ex & let_op(int i);
ex eval(int level=0) const;
ex evalf(int level=0) const;
ex normal(lst &sym_lst, lst &repl_lst, int level=0) const;
- ex diff(symbol const & s) const;
- ex subs(lst const & ls, lst const & lr) const;
+ ex to_rational(lst &repl_lst) const;
+ ex subs(const lst & ls, const lst & lr) const;
protected:
- int compare_same_type(basic const & other) const;
- bool is_equal_same_type(basic const & other) const;
+ ex derivative(const symbol & s) const;
+ int compare_same_type(const basic & other) const;
+ bool is_equal_same_type(const basic & other) const;
unsigned return_type(void) const;
unsigned calchash(void) const;
ex expand(unsigned options=0) const;
// new virtual functions which can be overridden by derived classes
protected:
- virtual ex thisexpairseq(epvector const & v, ex const & oc) const;
- virtual ex thisexpairseq(epvector * vp, ex const & oc) const;
+ virtual ex thisexpairseq(const epvector & v, const ex & oc) const;
+ virtual ex thisexpairseq(epvector * vp, const ex & oc) const;
virtual void printseq(ostream & os, char delim, unsigned this_precedence,
unsigned upper_precedence) const;
- virtual void printpair(ostream & os, expair const & p,
+ virtual void printpair(ostream & os, const expair & p,
unsigned upper_precedence) const;
- virtual expair split_ex_to_pair(ex const & e) const;
- virtual expair combine_ex_with_coeff_to_pair(ex const & e,
- ex const & c) const;
- virtual expair combine_pair_with_coeff_to_pair(expair const & p,
- ex const & c) const;
- virtual ex recombine_pair_to_ex(expair const & p) const;
+ virtual expair split_ex_to_pair(const ex & e) const;
+ virtual expair combine_ex_with_coeff_to_pair(const ex & e,
+ const ex & c) const;
+ virtual expair combine_pair_with_coeff_to_pair(const expair & p,
+ const ex & c) const;
+ virtual ex recombine_pair_to_ex(const expair & p) const;
virtual bool expair_needs_further_processing(epp it);
virtual ex default_overall_coeff(void) const;
- virtual void combine_overall_coeff(ex const & c);
- virtual void combine_overall_coeff(ex const & c1, ex const & c2);
- virtual bool can_make_flat(expair const & p) const;
+ virtual void combine_overall_coeff(const ex & c);
+ virtual void combine_overall_coeff(const ex & c1, const ex & c2);
+ virtual bool can_make_flat(const expair & p) const;
// non-virtual functions in this class
protected:
- void construct_from_2_ex_via_exvector(ex const & lh, ex const & rh);
- void construct_from_2_ex(ex const & lh, ex const & rh);
- void construct_from_2_expairseq(expairseq const & s1,
- expairseq const & s2);
- void construct_from_expairseq_ex(expairseq const & s,
- ex const & e);
- void construct_from_exvector(exvector const & v);
- void construct_from_epvector(epvector const & v);
- void make_flat(exvector const & v);
- void make_flat(epvector const & v);
+ void construct_from_2_ex_via_exvector(const ex & lh, const ex & rh);
+ void construct_from_2_ex(const ex & lh, const ex & rh);
+ void construct_from_2_expairseq(const expairseq & s1,
+ const expairseq & s2);
+ void construct_from_expairseq_ex(const expairseq & s,
+ const ex & e);
+ void construct_from_exvector(const exvector & v);
+ void construct_from_epvector(const epvector & v);
+ void make_flat(const exvector & v);
+ void make_flat(const epvector & v);
epvector * bubblesort(epvector::iterator itbegin, epvector::iterator itend);
epvector * mergesort(epvector::iterator itbegin, epvector::iterator itend);
void canonicalize(void);
#ifdef EXPAIRSEQ_USE_HASHTAB
void combine_same_terms(void);
unsigned calc_hashtabsize(unsigned sz) const;
- unsigned calc_hashindex(ex const & e) const;
+ unsigned calc_hashindex(const ex & e) const;
void shrink_hashtab(void);
void remove_hashtab_entry(epvector::const_iterator element);
void move_hashtab_entry(epvector::const_iterator oldpos,
vector<bool> & touched,
unsigned & number_of_zeroes);
bool has_coeff_0(void) const;
- void add_numerics_to_hashtab(epvector::iterator first_numeric, epvector::const_iterator last_non_zero);
+ void add_numerics_to_hashtab(epvector::iterator first_numeric,
+ epvector::const_iterator last_non_zero);
#endif // def EXPAIRSEQ_USE_HASHTAB
bool is_canonical() const;
epvector * expandchildren(unsigned options) const;
epvector * evalchildren(int level) const;
epvector evalfchildren(int level) const;
epvector normalchildren(int level) const;
- epvector diffchildren(symbol const & s) const;
- epvector * subschildren(lst const & ls, lst const & lr) const;
+ epvector diffchildren(const symbol & s) const;
+ epvector * subschildren(const lst & ls, const lst & lr) const;
// member variables
// global constants
extern const expairseq some_expairseq;
-extern type_info const & typeid_expairseq;
-
-#define ex_to_expairseq(X) static_cast<expairseq const &>(*(X).bp)
+extern const type_info & typeid_expairseq;
-#endif // ndef _EXPAIRSEQ_H_
+// utility functions
+inline const expairseq &ex_to_expairseq(const ex &e)
+{
+ return static_cast<const expairseq &>(*e.bp);
+}
+#ifndef NO_NAMESPACE_GINAC
+} // namespace GiNaC
+#endif // ndef NO_NAMESPACE_GINAC
+#endif // ndef __GINAC_EXPAIRSEQ_H__