X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fbasic.h;h=9895902b5d85be488acf4c2a5a209254f81ca966;hp=87dc1deee5669b729dffc5a980c64411acfa3a8d;hb=a8030df4915df6a1ea0312cbffb79ace4795c865;hpb=26741891dadf23162799009b6fd57b4984bd4ce5

diff --git a/ginac/basic.h b/ginac/basic.h
index 87dc1dee..9895902b 100644
--- a/ginac/basic.h
+++ b/ginac/basic.h
@@ -3,7 +3,7 @@
  *  Interface to GiNaC's ABC. */
 
 /*
- *  GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2001 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
@@ -24,201 +24,174 @@
 #define __GINAC_BASIC_H__
 
 #include <iostream>
-#include <typeinfo>
 #include <vector>
 
-// CINT needs <algorithm> to work properly with <vector> 
+// CINT needs <algorithm> to work properly with <vector>
 #include <algorithm>
 
-#include <ginac/flags.h>
-#include <ginac/tinfos.h>
-#include <ginac/assertion.h>
+#include "flags.h"
+#include "tinfos.h"
+#include "assertion.h"
+#include "registrar.h"
+/*#include "debugmsg.h"*/
 
-#ifndef NO_GINAC_NAMESPACE
 namespace GiNaC {
-#endif // ndef NO_GINAC_NAMESPACE
 
-class basic;
 class ex;
 class symbol;
 class lst;
 class numeric;
-
-//typedef vector<ex> exvector;
-typedef vector<ex,malloc_alloc> exvector; // CINT does not like vector<...,default_alloc>
-
-#define INLINE_BASIC_CONSTRUCTORS
+class relational;
+class archive_node;
+class print_context;
+
+// Cint doesn't like vector<..,default_alloc> but malloc_alloc is
+// unstandardized and not supported by newer GCCs.
+#if defined(__GNUC__) && ((__GNUC__ == 2) && (__GNUC_MINOR__ < 97))
+  typedef std::vector<ex,malloc_alloc> exvector;
+#else
+  typedef std::vector<ex> exvector;
+#endif
 
 /** This class is the ABC (abstract base class) of GiNaC's class hierarchy.
  *  It is responsible for the reference counting. */
 class basic
 {
-    friend class ex;
-
-// member functions
-
-    // default constructor, destructor, copy constructor assignment operator and helpers
+	GINAC_DECLARE_REGISTERED_CLASS_NO_CTORS(basic, void)
+	
+	friend class ex;
+	
+	// default ctor, dtor, copy ctor assignment operator and helpers
 public:
-    basic()
-#ifdef INLINE_BASIC_CONSTRUCTORS
-    : tinfo_key(TINFO_basic), flags(0), refcount(0)
-    {
-    }
-#else
-;
-#endif // def INLINE_BASIC_CONSTRUCTORS
-
-    virtual ~basic()
-#ifdef INLINE_BASIC_CONSTRUCTORS
-    {
-        destroy(0);
-        GINAC_ASSERT((!(flags & status_flags::dynallocated))||(refcount==0));
-    }
-#else
-;
-#endif // def INLINE_BASIC_CONSTRUCTORS
-
-    basic(basic const & other)
-#ifdef INLINE_BASIC_CONSTRUCTORS
-    {
-        copy(other);
-    }
-#else
-;
-#endif // def INLINE_BASIC_CONSTRUCTORS
-
-    virtual basic const & operator=(basic const & other);
-    
+	basic() : tinfo_key(TINFO_basic), flags(0), refcount(0)
+	{
+		/* debugmsg("basic default ctor", LOGLEVEL_CONSTRUCT); */
+	}
+	/** basic dtor, virtual because class ex will delete objects via ptr. */
+	virtual ~basic()
+	{
+		/* debugmsg("basic dtor", LOGLEVEL_DESTRUCT); */
+		destroy(false);
+		GINAC_ASSERT((!(flags & status_flags::dynallocated))||(refcount==0));
+	}
+	basic(const basic & other);
+	const basic & operator=(const basic & other);
 protected:
-    void copy(basic const & 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)
-    {
-    }
-#else
-;
-#endif // def INLINE_BASIC_CONSTRUCTORS
-
-    // functions overriding virtual functions from bases classes
-    // none
-    
-    // new virtual functions which can be overridden by derived classes
+	/** For use by copy ctor and assignment operator. */
+	void copy(const basic & other)
+	{
+		flags = other.flags & ~status_flags::dynallocated;
+		hashvalue = other.hashvalue;
+		tinfo_key = other.tinfo_key;
+	}
+	/** For use by dtor and assignment operator. */
+	virtual void destroy(bool call_parent) { }
+	
+	// other ctors
+	/** ctor with specified tinfo_key */
+	basic(unsigned ti) : tinfo_key(ti), flags(0), refcount(0)
+	{
+		/* debugmsg("basic ctor with tinfo_key", LOGLEVEL_CONSTRUCT); */
+	}
+	// 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(ostream & os,unsigned upper_precedence=0) const;
-    virtual void printraw(ostream & os) const;
-    virtual void printtree(ostream & os, unsigned indent) const;
-    virtual void printcsrc(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 int nops() const;
-    virtual ex op(int const i) const;
-    virtual ex & let_op(int const i);
-    virtual ex operator[](ex const & index) const;
-    virtual ex operator[](int const i) const;
-    virtual bool has(ex const & other) const;
-    virtual int degree(symbol const & s) const;
-    virtual int ldegree(symbol const & s) const;
-    virtual ex coeff(symbol const & s, int const n=1) const;
-    virtual ex collect(symbol const & s) const;
-    virtual ex eval(int level=0) const;
-    virtual ex evalf(int level=0) const;
-    virtual ex diff(symbol const & s) const;
-    virtual ex series(symbol const & s, ex const & point, int order) const;
-    virtual ex subs(lst const & ls, lst const & lr) const;
-    virtual ex normal(lst &sym_lst, lst &repl_lst, int level=0) const;
-    virtual numeric integer_content(void) const;
-    virtual ex smod(numeric const &xi) const;
-    virtual numeric max_coefficient(void) const;
-    virtual exvector get_indices(void) const;
-    virtual ex simplify_ncmul(exvector const & v) const;
+	virtual basic * duplicate() const;
+	virtual void print(const print_context & c, unsigned level = 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 ex & s) const;
+	virtual int ldegree(const ex & s) const;
+	virtual ex coeff(const ex & s, int n = 1) const;
+	virtual ex collect(const ex & 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_free_indices(void) const;
+	virtual ex simplify_ncmul(const exvector & v) const;
+	virtual ex eval_indexed(const basic & i) const;
+	virtual ex add_indexed(const ex & self, const ex & other) const;
+	virtual ex scalar_mul_indexed(const ex & self, const numeric & other) const;
+	virtual bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const;
 protected: // non-const functions should be called from class ex only
-    virtual int compare_same_type(basic const & other) const;
-    virtual bool is_equal_same_type(basic const & 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(ex const & e) const;
-    int compare(basic const & other) const;
-    bool is_equal(basic const & other) const;
-    basic const & 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;}
-protected:
-    basic const & setflag(unsigned f) const {flags |= f; return *this;}
-    basic const & clearflag(unsigned f) const {flags &= ~f; return *this;}
-    void ensure_if_modifiable(void) const;
+	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;}
+
+	/** Set some status_flags. */
+	const basic & setflag(unsigned f) const {flags |= f; return *this;}
+
+	/** Clear some status_flags. */
+	const basic & clearflag(unsigned f) const {flags &= ~f; return *this;}
+
+	/** Get relative precedence level (useful for implementing pretty-printed
+	 *  output). */
+	unsigned get_precedence(void) const {return precedence;}
 
-// member variables
-    
 protected:
-    unsigned tinfo_key;
-    mutable unsigned flags;
-    mutable unsigned hashvalue;
-    static unsigned precedence;
-    static unsigned delta_indent;
+	void ensure_if_modifiable(void) const;
+	
+	// member variables
+protected:
+	unsigned tinfo_key;                 ///< typeinfo
+	mutable unsigned flags;             ///< of type status_flags
+	mutable unsigned hashvalue;         ///< hash value
+	static unsigned precedence;         ///< precedence for printing parens
 private:
-    unsigned refcount;
+	unsigned refcount;                  ///< Number of reference counts
 };
 
-// global constants
-
-extern const basic some_basic;
-extern type_info const & typeid_basic;
-
 // global variables
 
 extern int max_recursion_level;
 
 // convenience macros
 
-#ifndef NO_GINAC_NAMESPACE
-
+/** Check if OBJ is a TYPE, including base classes. */
 #define is_of_type(OBJ,TYPE) \
-    (dynamic_cast<TYPE *>(const_cast<GiNaC::basic *>(&OBJ))!=0)
+	(dynamic_cast<const TYPE *>(&OBJ)!=0)
 
+/** Check if OBJ is a TYPE, not including base classes. */
 #define is_exactly_of_type(OBJ,TYPE) \
-    ((OBJ).tinfo()==GiNaC::TINFO_##TYPE)
+	((OBJ).tinfo()==GiNaC::TINFO_##TYPE)
 
+/** Check if ex is a handle to a TYPE, including base classes. */
 #define is_ex_of_type(OBJ,TYPE) \
-    (dynamic_cast<TYPE *>(const_cast<GiNaC::basic *>((OBJ).bp))!=0)
+	(dynamic_cast<const TYPE *>((OBJ).bp)!=0)
 
+/** Check if ex is a handle to a TYPE, not including base classes. */
 #define is_ex_exactly_of_type(OBJ,TYPE) \
-    ((*(OBJ).bp).tinfo()==GiNaC::TINFO_##TYPE)
+	((*(OBJ).bp).tinfo()==GiNaC::TINFO_##TYPE)
 
-#else // ndef NO_GINAC_NAMESPACE
-
-#define is_of_type(OBJ,TYPE) \
-    (dynamic_cast<TYPE *>(const_cast<basic *>(&OBJ))!=0)
-
-#define is_exactly_of_type(OBJ,TYPE) \
-    ((OBJ).tinfo()==TINFO_##TYPE)
-
-#define is_ex_of_type(OBJ,TYPE) \
-    (dynamic_cast<TYPE *>(const_cast<basic *>((OBJ).bp))!=0)
-
-#define is_ex_exactly_of_type(OBJ,TYPE) \
-    ((*(OBJ).bp).tinfo()==TINFO_##TYPE)
-
-#endif // ndef NO_GINAC_NAMESPACE
-
-#ifndef NO_GINAC_NAMESPACE
 } // namespace GiNaC
-#endif // ndef NO_GINAC_NAMESPACE
 
 #endif // ndef __GINAC_BASIC_H__
-