]> www.ginac.de Git - ginac.git/blobdiff - ginac/ex.h
- indentation is now done with tabs
[ginac.git] / ginac / ex.h
index 216a464648aa0749d3e40b43a1792a27e88d8d11..87105a12212d18150a1ee8b24b8a9cecfad6eb8d 100644 (file)
@@ -49,300 +49,300 @@ extern const ex & _ex0(void);     //  single ex(numeric(0))
  *  provide methods for manipulation of these objects. */
 class ex
 {
-    friend class basic;
+       friend class basic;
 
 // member functions
 
-    // default constructor, destructor, copy constructor assignment operator and helpers
+       // default constructor, destructor, copy constructor assignment operator and helpers
 public:
-    ex()
+       ex()
 #ifdef INLINE_EX_CONSTRUCTORS
-    : bp(_ex0().bp)
-        {
-            GINAC_ASSERT(_ex0().bp!=0);
-            GINAC_ASSERT(_ex0().bp->flags & status_flags::dynallocated);
-            GINAC_ASSERT(bp!=0);
-            ++bp->refcount;
+       : bp(_ex0().bp)
+               {
+                       GINAC_ASSERT(_ex0().bp!=0);
+                       GINAC_ASSERT(_ex0().bp->flags & status_flags::dynallocated);
+                       GINAC_ASSERT(bp!=0);
+                       ++bp->refcount;
 #ifdef OBSCURE_CINT_HACK
-            update_last_created_or_assigned_bp();
+                       update_last_created_or_assigned_bp();
 #endif // def OBSCURE_CINT_HACK
-        }
+               }
 #else
 ;
 #endif // def INLINE_EX_CONSTRUCTORS
 
-    ~ex()
+       ~ex()
 #ifdef INLINE_EX_CONSTRUCTORS
-        {
-            GINAC_ASSERT(bp!=0);
-            GINAC_ASSERT(bp->flags & status_flags::dynallocated);
-            if (--bp->refcount == 0) {
-                delete bp;
-            }
-        }
+               {
+                       GINAC_ASSERT(bp!=0);
+                       GINAC_ASSERT(bp->flags & status_flags::dynallocated);
+                       if (--bp->refcount == 0) {
+                               delete bp;
+                       }
+               }
 #else
 ;
 #endif // def INLINE_EX_CONSTRUCTORS
-        
-    ex(const ex & other)
+               
+       ex(const ex & other)
 #ifdef INLINE_EX_CONSTRUCTORS
-    : bp(other.bp)
-        {
-            GINAC_ASSERT(bp!=0);
-            GINAC_ASSERT((bp->flags) & status_flags::dynallocated);
-            ++bp->refcount;
+       : bp(other.bp)
+               {
+                       GINAC_ASSERT(bp!=0);
+                       GINAC_ASSERT((bp->flags) & status_flags::dynallocated);
+                       ++bp->refcount;
 #ifdef OBSCURE_CINT_HACK
-            update_last_created_or_assigned_bp();
+                       update_last_created_or_assigned_bp();
 #endif // def OBSCURE_CINT_HACK
-        }
+               }
 #else
 ;
 #endif // def INLINE_EX_CONSTRUCTORS
-        
-    const ex & operator=(const ex & other)
+               
+       const ex & operator=(const ex & other)
 #ifdef INLINE_EX_CONSTRUCTORS
-        {
-            GINAC_ASSERT(bp!=0);
-            GINAC_ASSERT(bp->flags & status_flags::dynallocated);
-            GINAC_ASSERT(other.bp!=0);
-            GINAC_ASSERT(other.bp->flags & status_flags::dynallocated);
-            ++other.bp->refcount;
-            basic * tmpbp=other.bp;
-            if (--bp->refcount==0) {
-                delete bp;
-            }
-            bp=tmpbp;
+               {
+                       GINAC_ASSERT(bp!=0);
+                       GINAC_ASSERT(bp->flags & status_flags::dynallocated);
+                       GINAC_ASSERT(other.bp!=0);
+                       GINAC_ASSERT(other.bp->flags & status_flags::dynallocated);
+                       ++other.bp->refcount;
+                       basic * tmpbp=other.bp;
+                       if (--bp->refcount==0) {
+                               delete bp;
+                       }
+                       bp=tmpbp;
 #ifdef OBSCURE_CINT_HACK
-            update_last_created_or_assigned_bp();
+                       update_last_created_or_assigned_bp();
 #endif // def OBSCURE_CINT_HACK
-            return *this;
-        }
+                       return *this;
+               }
 #else
 ;
 #endif // def INLINE_EX_CONSTRUCTORS
 
 
-    // other constructors
+       // other constructors
 public:
-    ex(const basic & other)
+       ex(const basic & other)
 #ifdef INLINE_EX_CONSTRUCTORS
-        {
-            construct_from_basic(other);
+               {
+                       construct_from_basic(other);
 #ifdef OBSCURE_CINT_HACK
-            update_last_created_or_assigned_bp();
+                       update_last_created_or_assigned_bp();
 #endif // def OBSCURE_CINT_HACK
-        }
+               }
 #else
 ;
 #endif // def INLINE_EX_CONSTRUCTORS
-    
-    ex(int i)
+       
+       ex(int i)
 #ifdef INLINE_EX_CONSTRUCTORS
-        {
-            construct_from_int(i);
+               {
+                       construct_from_int(i);
 #ifdef OBSCURE_CINT_HACK
-            update_last_created_or_assigned_bp();
+                       update_last_created_or_assigned_bp();
 #endif // def OBSCURE_CINT_HACK
-        }
+               }
 #else
 ;
 #endif // def INLINE_EX_CONSTRUCTORS
 
-    ex(unsigned int i)
+       ex(unsigned int i)
 #ifdef INLINE_EX_CONSTRUCTORS
-        {
-            construct_from_uint(i);
+               {
+                       construct_from_uint(i);
 #ifdef OBSCURE_CINT_HACK
-            update_last_created_or_assigned_bp();
+                       update_last_created_or_assigned_bp();
 #endif // def OBSCURE_CINT_HACK
-        }
+               }
 #else
 ;
 #endif // def INLINE_EX_CONSTRUCTORS
-    
-    ex(long i)
+       
+       ex(long i)
 #ifdef INLINE_EX_CONSTRUCTORS
-        {
-            construct_from_long(i);
+               {
+                       construct_from_long(i);
 #ifdef OBSCURE_CINT_HACK
-            update_last_created_or_assigned_bp();
+                       update_last_created_or_assigned_bp();
 #endif // def OBSCURE_CINT_HACK
-        }
+               }
 #else
 ;
 #endif // def INLINE_EX_CONSTRUCTORS
 
-    ex(unsigned long i)
+       ex(unsigned long i)
 #ifdef INLINE_EX_CONSTRUCTORS
-        {
-            construct_from_ulong(i);
+               {
+                       construct_from_ulong(i);
 #ifdef OBSCURE_CINT_HACK
-            update_last_created_or_assigned_bp();
+                       update_last_created_or_assigned_bp();
 #endif // def OBSCURE_CINT_HACK
-        }
+               }
 #else
 ;
 #endif // def INLINE_EX_CONSTRUCTORS
-    
-    ex(double const d)
+       
+       ex(double const d)
 #ifdef INLINE_EX_CONSTRUCTORS
-        {
-            construct_from_double(d);
+               {
+                       construct_from_double(d);
 #ifdef OBSCURE_CINT_HACK
-            update_last_created_or_assigned_bp();
+                       update_last_created_or_assigned_bp();
 #endif // def OBSCURE_CINT_HACK
-        }
+               }
 #else
 ;
 #endif // def INLINE_EX_CONSTRUCTORS
 
-    /** Construct ex from string and a list of symbols. The input grammar is
-     *  similar to the GiNaC output format. All symbols to be used in the
-     *  expression must be specified in a lst in the second argument. Undefined
-     *  symbols and other parser errors will throw an exception. */
-    ex(const std::string &s, const ex &l)
+       /** Construct ex from string and a list of symbols. The input grammar is
+        *  similar to the GiNaC output format. All symbols to be used in the
+        *  expression must be specified in a lst in the second argument. Undefined
+        *  symbols and other parser errors will throw an exception. */
+       ex(const std::string &s, const ex &l)
 #ifdef INLINE_EX_CONSTRUCTORS
-        {
-            construct_from_string_and_lst(s, l);
+               {
+                       construct_from_string_and_lst(s, l);
 #ifdef OBSCURE_CINT_HACK
-            update_last_created_or_assigned_bp();
+                       update_last_created_or_assigned_bp();
 #endif // def OBSCURE_CINT_HACK
-        }
+               }
 #else
 ;
 #endif // def INLINE_EX_CONSTRUCTORS
 
-    
-    // functions overriding virtual functions from bases classes
-    // none
-    
-    // new virtual functions which can be overridden by derived classes
-    // none
+       
+       // functions overriding virtual functions from bases classes
+       // none
+       
+       // new virtual functions which can be overridden by derived classes
+       // none
 
-    // non-virtual functions in this class
+       // non-virtual functions in this class
 public:
-    void swap(ex & other);
-    void printraw(std::ostream & os) const;
-    void printtree(std::ostream & os, unsigned indent=0) const;
-    void print(std::ostream & os, unsigned upper_precedence=0) const;
-    void printcsrc(std::ostream & os, unsigned type, const char *var_name) const;
-    void dbgprint(void) const;
-    void dbgprinttree(void) const;
-    bool info(unsigned inf) const;
-    unsigned nops() const;
-    ex expand(unsigned options=0) const;
-    bool has(const ex & other) const;
-    int degree(const symbol & s) const;
-    int ldegree(const symbol & s) const;
-    ex coeff(const symbol & s, int n=1) const;
-    ex lcoeff(const symbol & s) const { return coeff(s, degree(s)); }
-    ex tcoeff(const symbol & s) const { return coeff(s, ldegree(s)); }
-    ex numer(void) const;
-    ex denom(void) const;
-    ex unit(const symbol &x) const;
-    ex content(const symbol &x) const;
-    numeric integer_content(void) const;
-    ex primpart(const symbol &x) const;
-    ex primpart(const symbol &x, const ex &cont) const;
-    ex normal(int level = 0) const;
-    ex to_rational(lst &repl_lst) const;
-    ex smod(const numeric &xi) const;
-    numeric max_coefficient(void) const;
-    ex collect(const symbol & s) const;
-    ex eval(int level = 0) const;
-    ex evalf(int level = 0) const;
-    ex diff(const symbol & s, unsigned nth = 1) const;
-    ex series(const ex & r, int order, unsigned options = 0) const;
-    ex subs(const lst & ls, const lst & lr) const;
-    ex subs(const ex & e) const;
-    exvector get_indices(void) const;
-    ex simplify_ncmul(const exvector & v) const;
-    ex operator[](const ex & index) const;
-    ex operator[](int i) const;
-    ex op(int i) const;
-    ex & let_op(int i);
-    ex lhs(void) const;
-    ex rhs(void) const;
-    int compare(const ex & other) const
+       void swap(ex & other);
+       void printraw(std::ostream & os) const;
+       void printtree(std::ostream & os, unsigned indent=0) const;
+       void print(std::ostream & os, unsigned upper_precedence=0) const;
+       void printcsrc(std::ostream & os, unsigned type, const char *var_name) const;
+       void dbgprint(void) const;
+       void dbgprinttree(void) const;
+       bool info(unsigned inf) const;
+       unsigned nops() const;
+       ex expand(unsigned options=0) const;
+       bool has(const ex & other) const;
+       int degree(const symbol & s) const;
+       int ldegree(const symbol & s) const;
+       ex coeff(const symbol & s, int n=1) const;
+       ex lcoeff(const symbol & s) const { return coeff(s, degree(s)); }
+       ex tcoeff(const symbol & s) const { return coeff(s, ldegree(s)); }
+       ex numer(void) const;
+       ex denom(void) const;
+       ex unit(const symbol &x) const;
+       ex content(const symbol &x) const;
+       numeric integer_content(void) const;
+       ex primpart(const symbol &x) const;
+       ex primpart(const symbol &x, const ex &cont) const;
+       ex normal(int level = 0) const;
+       ex to_rational(lst &repl_lst) const;
+       ex smod(const numeric &xi) const;
+       numeric max_coefficient(void) const;
+       ex collect(const symbol & s) const;
+       ex eval(int level = 0) const;
+       ex evalf(int level = 0) const;
+       ex diff(const symbol & s, unsigned nth = 1) const;
+       ex series(const ex & r, int order, unsigned options = 0) const;
+       ex subs(const lst & ls, const lst & lr) const;
+       ex subs(const ex & e) const;
+       exvector get_indices(void) const;
+       ex simplify_ncmul(const exvector & v) const;
+       ex operator[](const ex & index) const;
+       ex operator[](int i) const;
+       ex op(int i) const;
+       ex & let_op(int i);
+       ex lhs(void) const;
+       ex rhs(void) const;
+       int compare(const ex & other) const
 #ifdef INLINE_EX_CONSTRUCTORS
-        {
-            GINAC_ASSERT(bp!=0);
-            GINAC_ASSERT(other.bp!=0);
-            if (bp==other.bp) {
-                // special case: both expression point to same basic, trivially equal
-                return 0; 
-            }
-            return bp->compare(*other.bp);
-        }
+               {
+                       GINAC_ASSERT(bp!=0);
+                       GINAC_ASSERT(other.bp!=0);
+                       if (bp==other.bp) {
+                               // special case: both expression point to same basic, trivially equal
+                               return 0; 
+                       }
+                       return bp->compare(*other.bp);
+               }
 #else
 ;
 #endif // def INLINE_EX_CONSTRUCTORS
-    bool is_equal(const ex & other) const
+       bool is_equal(const ex & other) const
 #ifdef INLINE_EX_CONSTRUCTORS
-        {
-            GINAC_ASSERT(bp!=0);
-            GINAC_ASSERT(other.bp!=0);
-            if (bp==other.bp) {
-                // special case: both expression point to same basic, trivially equal
-                return true; 
-            }
-            return bp->is_equal(*other.bp);
-        }
+               {
+                       GINAC_ASSERT(bp!=0);
+                       GINAC_ASSERT(other.bp!=0);
+                       if (bp==other.bp) {
+                               // special case: both expression point to same basic, trivially equal
+                               return true; 
+                       }
+                       return bp->is_equal(*other.bp);
+               }
 #else
 ;
 #endif // def INLINE_EX_CONSTRUCTORS
-    bool is_zero(void) const {return compare(_ex0())==0;};
-        
-    unsigned return_type(void) const;
-    unsigned return_type_tinfo(void) const;
-    unsigned gethash(void) const;
-
-    ex exadd(const ex & rh) const;
-    ex exmul(const ex & rh) const;
-    ex exncmul(const ex & rh) const;
+       bool is_zero(void) const {return compare(_ex0())==0;};
+               
+       unsigned return_type(void) const;
+       unsigned return_type_tinfo(void) const;
+       unsigned gethash(void) const;
+
+       ex exadd(const ex & rh) const;
+       ex exmul(const ex & rh) const;
+       ex exncmul(const ex & rh) const;
 private:
-    void construct_from_basic(const basic & other);
-    void construct_from_int(int i);
-    void construct_from_uint(unsigned int i);
-    void construct_from_long(long i);
-    void construct_from_ulong(unsigned long i);
-    void construct_from_double(double d);
-    void construct_from_string_and_lst(const std::string &s, const ex &l);
-    void makewriteable();
+       void construct_from_basic(const basic & other);
+       void construct_from_int(int i);
+       void construct_from_uint(unsigned int i);
+       void construct_from_long(long i);
+       void construct_from_ulong(unsigned long i);
+       void construct_from_double(double d);
+       void construct_from_string_and_lst(const std::string &s, const ex &l);
+       void makewriteable();
 
 #ifdef OBSCURE_CINT_HACK
 public:
-    static bool last_created_or_assigned_bp_can_be_converted_to_ex(void)
-        {
-            if (last_created_or_assigned_bp==0) return false;
-            if ((last_created_or_assigned_bp->flags &
-                 status_flags::dynallocated)==0) return false;
-            if ((last_created_or_assigned_bp->flags &
-                 status_flags::evaluated)==0) return false;
-            return true;
-        }
+       static bool last_created_or_assigned_bp_can_be_converted_to_ex(void)
+               {
+                       if (last_created_or_assigned_bp==0) return false;
+                       if ((last_created_or_assigned_bp->flags &
+                                status_flags::dynallocated)==0) return false;
+                       if ((last_created_or_assigned_bp->flags &
+                                status_flags::evaluated)==0) return false;
+                       return true;
+               }
 protected:
-    void update_last_created_or_assigned_bp(void)
-        {
-            if (last_created_or_assigned_bp!=0) {
-                if (--last_created_or_assigned_bp->refcount == 0) {
-                    delete last_created_or_assigned_bp;
-                }
-            }
-            last_created_or_assigned_bp=bp;
-            ++last_created_or_assigned_bp->refcount;
-            last_created_or_assigned_exp=(long)(void *)(this);
-        }
+       void update_last_created_or_assigned_bp(void)
+               {
+                       if (last_created_or_assigned_bp!=0) {
+                               if (--last_created_or_assigned_bp->refcount == 0) {
+                                       delete last_created_or_assigned_bp;
+                               }
+                       }
+                       last_created_or_assigned_bp=bp;
+                       ++last_created_or_assigned_bp->refcount;
+                       last_created_or_assigned_exp=(long)(void *)(this);
+               }
 #endif // def OBSCURE_CINT_HACK
 
 // member variables
 
 public:
-    basic *bp;
+       basic *bp;
 #ifdef OBSCURE_CINT_HACK
-    static basic * last_created_or_assigned_bp;
-    static basic * dummy_bp;
-    static long last_created_or_assigned_exp;
+       static basic * last_created_or_assigned_bp;
+       static basic * dummy_bp;
+       static long last_created_or_assigned_exp;
 #endif // def OBSCURE_CINT_HACK
 };