* Interface to GiNaC's products of expressions. */
/*
- * GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2002 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
#include "expairseq.h"
-#ifndef NO_NAMESPACE_GINAC
namespace GiNaC {
-#endif // ndef NO_NAMESPACE_GINAC
/** Product of expressions. */
class mul : public expairseq
{
- GINAC_DECLARE_REGISTERED_CLASS(mul, expairseq)
-
- friend class add;
- friend class ncmul;
- friend class power;
-
-// member functions
-
- // default constructor, destructor, copy constructor assignment operator and helpers
+ GINAC_DECLARE_REGISTERED_CLASS(mul, expairseq)
+
+ friend class add;
+ friend class ncmul;
+ friend class power;
+
+ // other ctors
public:
- mul();
- ~mul();
- mul(const mul & other);
- const mul & operator=(const mul & other);
-protected:
- void copy(const mul & other);
- void destroy(bool call_parent);
-
- // other constructors
-public:
- mul(const ex & lh, const ex & rh);
- mul(const exvector & v);
- mul(const epvector & v);
- mul(const epvector & v, const ex & oc);
- mul(epvector * vp, const ex & oc);
- mul(const ex & lh, const ex & mh, const ex & rh);
-
- // functions overriding virtual functions from bases classes
+ mul(const ex & lh, const ex & rh);
+ mul(const exvector & v);
+ mul(const epvector & v);
+ mul(const epvector & v, const ex & oc);
+ mul(epvector * vp, const ex & oc);
+ mul(const ex & lh, const ex & mh, const ex & rh);
+
+ // functions overriding virtual functions from base classes
public:
- basic * duplicate() const;
- void print(std::ostream & os, unsigned upper_precedence) const;
- void printraw(std::ostream & os) const;
- void printcsrc(std::ostream & os, unsigned type, unsigned upper_precedence) const;
- bool info(unsigned inf) const;
- int degree(const symbol & s) const;
- int ldegree(const symbol & s) const;
- ex coeff(const symbol & s, int n = 1) const;
- ex eval(int level=0) const;
- ex evalf(int level=0) const;
- ex series(const relational & s, int order, bool branchcut = true) const;
- ex normal(lst &sym_lst, lst &repl_lst, int level = 0) const;
- numeric integer_content(void) const;
- ex smod(const numeric &xi) const;
- numeric max_coefficient(void) const;
- exvector get_indices(void) const;
- ex simplify_ncmul(const exvector & v) const;
+ void print(const print_context & c, unsigned level = 0) const;
+ unsigned precedence(void) const {return 50;}
+ bool info(unsigned inf) const;
+ int degree(const ex & s) const;
+ int ldegree(const ex & s) const;
+ ex coeff(const ex & s, int n = 1) const;
+ ex eval(int level=0) const;
+ ex evalf(int level=0) const;
+ ex evalm(void) const;
+ ex series(const relational & s, int order, unsigned options = 0) const;
+ ex normal(lst &sym_lst, lst &repl_lst, int level = 0) const;
+ numeric integer_content(void) const;
+ ex smod(const numeric &xi) const;
+ numeric max_coefficient(void) const;
+ exvector get_free_indices(void) const;
+ ex simplify_ncmul(const exvector & v) const;
protected:
- 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 return_type_tinfo(void) const;
- ex thisexpairseq(const epvector & v, const ex & oc) const;
- ex thisexpairseq(epvector * vp, const ex & oc) const;
- expair split_ex_to_pair(const ex & e) const;
- expair combine_ex_with_coeff_to_pair(const ex & e,
- const ex & c) const;
- expair combine_pair_with_coeff_to_pair(const expair & p,
- const ex & c) const;
- ex recombine_pair_to_ex(const expair & p) const;
- bool expair_needs_further_processing(epp it);
- ex default_overall_coeff(void) const;
- void combine_overall_coeff(const ex & c);
- void combine_overall_coeff(const ex & c1, const ex & c2);
- bool can_make_flat(const expair & p) const;
- ex expand(unsigned options=0) const;
-
- // new virtual functions which can be overridden by derived classes
- // none
-
- // non-virtual functions in this class
-protected:
- epvector * expandchildren(unsigned options) const;
-
-// member variables
-
+ ex derivative(const symbol & s) const;
+ bool is_equal_same_type(const basic & other) const;
+ unsigned return_type(void) const;
+ unsigned return_type_tinfo(void) const;
+ ex thisexpairseq(const epvector & v, const ex & oc) const;
+ ex thisexpairseq(epvector * vp, const ex & oc) const;
+ expair split_ex_to_pair(const ex & e) const;
+ expair combine_ex_with_coeff_to_pair(const ex & e, const ex & c) const;
+ expair combine_pair_with_coeff_to_pair(const expair & p, const ex & c) const;
+ ex recombine_pair_to_ex(const expair & p) const;
+ bool expair_needs_further_processing(epp it);
+ ex default_overall_coeff(void) const;
+ void combine_overall_coeff(const ex & c);
+ void combine_overall_coeff(const ex & c1, const ex & c2);
+ bool can_make_flat(const expair & p) const;
+ ex expand(unsigned options=0) const;
+
+ // new virtual functions which can be overridden by derived classes
+ // none
+
+ // non-virtual functions in this class
protected:
- static unsigned precedence;
+ epvector * expandchildren(unsigned options) const;
};
-// global constants
-
-extern const mul some_mul;
-extern const type_info & typeid_mul;
-
// utility functions
-inline const mul &ex_to_mul(const ex &e)
+
+/** Specialization of is_exactly_a<mul>(obj) for mul objects. */
+template<> inline bool is_exactly_a<mul>(const basic & obj)
{
- return static_cast<const mul &>(*e.bp);
+ return obj.tinfo()==TINFO_mul;
}
-#ifndef NO_NAMESPACE_GINAC
} // namespace GiNaC
-#endif // ndef NO_NAMESPACE_GINAC
#endif // ndef __GINAC_MUL_H__
git://www.ginac.de / ginac.git / blobdiff