* It is responsible for the reference counting. */
class basic
{
- GINAC_DECLARE_REGISTERED_CLASS(basic, void)
+ GINAC_DECLARE_REGISTERED_CLASS(basic, void)
- friend class ex;
+ friend class ex;
// member functions
- // default constructor, destructor, copy constructor assignment operator and helpers
+ // default constructor, destructor, copy constructor assignment operator and helpers
public:
- basic()
+ basic()
#ifdef INLINE_BASIC_CONSTRUCTORS
- : tinfo_key(TINFO_basic), flags(0), refcount(0)
- {
- }
+ : tinfo_key(TINFO_basic), flags(0), refcount(0)
+ {
+ }
#else
;
#endif // def INLINE_BASIC_CONSTRUCTORS
- virtual ~basic()
+ virtual ~basic()
#ifdef INLINE_BASIC_CONSTRUCTORS
- {
- destroy(0);
- GINAC_ASSERT((!(flags & status_flags::dynallocated))||(refcount==0));
- }
+ {
+ destroy(0);
+ GINAC_ASSERT((!(flags & status_flags::dynallocated))||(refcount==0));
+ }
#else
;
#endif // def INLINE_BASIC_CONSTRUCTORS
- basic(const basic & other)
+ basic(const basic & other)
#ifdef INLINE_BASIC_CONSTRUCTORS
- {
- copy(other);
- }
+ {
+ copy(other);
+ }
#else
;
#endif // def INLINE_BASIC_CONSTRUCTORS
-
- virtual const basic & operator=(const basic & other);
-
+
+ const basic & operator=(const basic & other);
+
protected:
- void copy(const basic & other)
- {
- flags = other.flags & ~status_flags::dynallocated;
- hashvalue = other.hashvalue;
- tinfo_key = other.tinfo_key;
- }
- void destroy(bool call_parent) {}
-
- // other constructors
- basic(unsigned ti)
+ void copy(const basic & other)
+ {
+ flags = other.flags & ~status_flags::dynallocated;
+ hashvalue = other.hashvalue;
+ tinfo_key = other.tinfo_key;
+ }
+ void destroy(bool call_parent) {}
+
+ // other constructors
+ basic(unsigned ti)
#ifdef INLINE_BASIC_CONSTRUCTORS
- : tinfo_key(ti), flags(0), refcount(0)
- {
- }
+ : tinfo_key(ti), flags(0), refcount(0)
+ {
+ }
#else
;
#endif // def INLINE_BASIC_CONSTRUCTORS
- // functions overriding virtual functions from bases classes
- // none
-
- // new virtual functions which can be overridden by derived classes
+ // functions overriding virtual functions from bases classes
+ // none
+
+ // new virtual functions which can be overridden by derived classes
public: // only const functions please (may break reference counting)
- virtual basic * duplicate() const;
- virtual void print(std::ostream & os,unsigned upper_precedence = 0) const;
- virtual void printraw(std::ostream & os) const;
- virtual void printtree(std::ostream & os, unsigned indent) const;
- virtual void printcsrc(std::ostream & os, unsigned type, unsigned upper_precedence = 0) const;
- virtual void dbgprint(void) const;
- virtual void dbgprinttree(void) const;
- virtual bool info(unsigned inf) const;
- virtual unsigned nops() const;
- virtual ex op(int i) const;
- virtual ex & let_op(int i);
- virtual ex operator[](const ex & index) const;
- virtual ex operator[](int i) const;
- virtual bool has(const ex & other) const;
- virtual int degree(const symbol & s) const;
- virtual int ldegree(const symbol & s) const;
- virtual ex coeff(const symbol & s, int n = 1) const;
- virtual ex collect(const symbol & s) const;
- virtual ex eval(int level = 0) const;
- virtual ex evalf(int level = 0) const;
- virtual ex series(const relational & r, int order, unsigned options = 0) const;
- virtual ex subs(const lst & ls, const lst & lr) const;
- virtual ex normal(lst &sym_lst, lst &repl_lst, int level = 0) const;
- virtual ex to_rational(lst &repl_lst) const;
- virtual numeric integer_content(void) const;
- virtual ex smod(const numeric &xi) const;
- virtual numeric max_coefficient(void) const;
- virtual exvector get_indices(void) const;
- virtual ex simplify_ncmul(const exvector & v) const;
+ virtual basic * duplicate() const;
+ virtual void print(std::ostream & os,unsigned upper_precedence = 0) const;
+ virtual void printraw(std::ostream & os) const;
+ virtual void printtree(std::ostream & os, unsigned indent) const;
+ virtual void printcsrc(std::ostream & os, unsigned type, unsigned upper_precedence = 0) const;
+ virtual void dbgprint(void) const;
+ virtual void dbgprinttree(void) const;
+ virtual bool info(unsigned inf) const;
+ virtual unsigned nops() const;
+ virtual ex op(int i) const;
+ virtual ex & let_op(int i);
+ virtual ex operator[](const ex & index) const;
+ virtual ex operator[](int i) const;
+ virtual bool has(const ex & other) const;
+ virtual int degree(const symbol & s) const;
+ virtual int ldegree(const symbol & s) const;
+ virtual ex coeff(const symbol & s, int n = 1) const;
+ virtual ex collect(const symbol & s) const;
+ virtual ex eval(int level = 0) const;
+ virtual ex evalf(int level = 0) const;
+ virtual ex series(const relational & r, int order, unsigned options = 0) const;
+ virtual ex subs(const lst & ls, const lst & lr) const;
+ virtual ex normal(lst &sym_lst, lst &repl_lst, int level = 0) const;
+ virtual ex to_rational(lst &repl_lst) const;
+ virtual numeric integer_content(void) const;
+ virtual ex smod(const numeric &xi) const;
+ virtual numeric max_coefficient(void) const;
+ virtual exvector get_indices(void) const;
+ virtual ex simplify_ncmul(const exvector & v) const;
protected: // non-const functions should be called from class ex only
- virtual ex derivative(const symbol & s) const;
- virtual int compare_same_type(const basic & other) const;
- virtual bool is_equal_same_type(const basic & other) const;
- virtual unsigned return_type(void) const;
- virtual unsigned return_type_tinfo(void) const;
- virtual unsigned calchash(void) const;
- virtual ex expand(unsigned options=0) const;
-
- // non-virtual functions in this class
+ virtual ex derivative(const symbol & s) const;
+ virtual int compare_same_type(const basic & other) const;
+ virtual bool is_equal_same_type(const basic & other) const;
+ virtual unsigned return_type(void) const;
+ virtual unsigned return_type_tinfo(void) const;
+ virtual unsigned calchash(void) const;
+ virtual ex expand(unsigned options=0) const;
+
+ // non-virtual functions in this class
public:
- ex subs(const ex & e) const;
- ex diff(const symbol & s, unsigned nth=1) const;
- int compare(const basic & other) const;
- bool is_equal(const basic & other) const;
- const basic & hold(void) const;
- unsigned gethash(void) const {if (flags & status_flags::hash_calculated) return hashvalue; else return calchash();}
- unsigned tinfo(void) const {return tinfo_key;}
- const basic & setflag(unsigned f) const {flags |= f; return *this;}
- const basic & clearflag(unsigned f) const {flags &= ~f; return *this;}
+ ex subs(const ex & e) const;
+ ex diff(const symbol & s, unsigned nth=1) const;
+ int compare(const basic & other) const;
+ bool is_equal(const basic & other) const;
+ const basic & hold(void) const;
+ unsigned gethash(void) const {if (flags & status_flags::hash_calculated) return hashvalue; else return calchash();}
+ unsigned tinfo(void) const {return tinfo_key;}
+ const basic & setflag(unsigned f) const {flags |= f; return *this;}
+ const basic & clearflag(unsigned f) const {flags &= ~f; return *this;}
protected:
- void ensure_if_modifiable(void) const;
+ void ensure_if_modifiable(void) const;
// member variables
-
+
protected:
- unsigned tinfo_key;
- mutable unsigned flags;
- mutable unsigned hashvalue;
- static unsigned precedence;
- static unsigned delta_indent;
+ unsigned tinfo_key;
+ mutable unsigned flags;
+ mutable unsigned hashvalue;
+ static unsigned precedence;
+ static unsigned delta_indent;
private:
- unsigned refcount;
+ unsigned refcount;
};
// global constants
extern const basic some_basic;
-extern const type_info & typeid_basic;
+extern const std::type_info & typeid_basic;
// global variables
#ifndef NO_NAMESPACE_GINAC
#define is_of_type(OBJ,TYPE) \
- (dynamic_cast<TYPE *>(const_cast<GiNaC::basic *>(&OBJ))!=0)
+ (dynamic_cast<TYPE *>(const_cast<GiNaC::basic *>(&OBJ))!=0)
#define is_exactly_of_type(OBJ,TYPE) \
- ((OBJ).tinfo()==GiNaC::TINFO_##TYPE)
+ ((OBJ).tinfo()==GiNaC::TINFO_##TYPE)
#define is_ex_of_type(OBJ,TYPE) \
- (dynamic_cast<TYPE *>(const_cast<GiNaC::basic *>((OBJ).bp))!=0)
+ (dynamic_cast<TYPE *>(const_cast<GiNaC::basic *>((OBJ).bp))!=0)
#define is_ex_exactly_of_type(OBJ,TYPE) \
- ((*(OBJ).bp).tinfo()==GiNaC::TINFO_##TYPE)
+ ((*(OBJ).bp).tinfo()==GiNaC::TINFO_##TYPE)
#else // ndef NO_NAMESPACE_GINAC
#define is_of_type(OBJ,TYPE) \
- (dynamic_cast<TYPE *>(const_cast<basic *>(&OBJ))!=0)
+ (dynamic_cast<TYPE *>(const_cast<basic *>(&OBJ))!=0)
#define is_exactly_of_type(OBJ,TYPE) \
- ((OBJ).tinfo()==TINFO_##TYPE)
+ ((OBJ).tinfo()==TINFO_##TYPE)
#define is_ex_of_type(OBJ,TYPE) \
- (dynamic_cast<TYPE *>(const_cast<basic *>((OBJ).bp))!=0)
+ (dynamic_cast<TYPE *>(const_cast<basic *>((OBJ).bp))!=0)
#define is_ex_exactly_of_type(OBJ,TYPE) \
- ((*(OBJ).bp).tinfo()==TINFO_##TYPE)
+ ((*(OBJ).bp).tinfo()==TINFO_##TYPE)
#endif // ndef NO_NAMESPACE_GINAC