* Interface to GiNaC's ABC. */
/*
- * GiNaC Copyright (C) 1999-2005 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2006 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 <algorithm>
#include "flags.h"
-#include "tinfos.h"
#include "ptr.h"
#include "assertion.h"
#include "registrar.h"
typedef std::vector<ex> exvector;
typedef std::map<ex, ex, ex_is_less> exmap;
-
// Define this to enable some statistical output for comparisons and hashing
#undef GINAC_COMPARE_STATISTICS
// default constructor, destructor, copy constructor and assignment operator
protected:
- basic() : tinfo_key(TINFO_basic), flags(0) {}
+ basic() : tinfo_key(&tinfo_static), flags(0) {}
public:
/** basic destructor, virtual because class ex will delete objects of
protected:
/** Constructor with specified tinfo_key (used by derived classes instead
* of the default constructor to avoid assigning tinfo_key twice). */
- basic(unsigned ti) : tinfo_key(ti), flags(0) {}
+ basic(tinfo_t ti) : tinfo_key(ti), flags(0) {}
// new virtual functions which can be overridden by derived classes
public: // only const functions please (may break reference counting)
virtual ex & operator[](size_t i);
// pattern matching
- virtual bool has(const ex & other) const;
+ virtual bool has(const ex & other, unsigned options = 0) const;
virtual bool match(const ex & pattern, lst & repl_lst) const;
protected:
virtual bool match_same_type(const basic & other) const;
}
// degree/coeff
+ virtual bool is_polynomial(const ex & var) 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;
// noncommutativity
virtual unsigned return_type() const;
- virtual unsigned return_type_tinfo() const;
+ virtual tinfo_t return_type_tinfo() const;
- // complex conjugation
+ // functions for complex expressions
virtual ex conjugate() const;
+ virtual ex real_part() const;
+ virtual ex imag_part() const;
// functions that should be called from class ex only
protected:
}
}
- unsigned tinfo() const {return tinfo_key;}
+ tinfo_t tinfo() const {return tinfo_key;}
/** Set some status_flags. */
const basic & setflag(unsigned f) const {flags |= f; return *this;}
// member variables
protected:
- unsigned tinfo_key; ///< typeinfo
+ tinfo_t tinfo_key; ///< type info
mutable unsigned flags; ///< of type status_flags
mutable unsigned hashvalue; ///< hash value
};
return dynamic_cast<const T *>(&obj) != 0;
}
-/** Check if obj is a T, not including base classes. This one is just an
- * inefficient default. It should in all time-critical cases be overridden
- * by template specializations that use the TINFO_* constants directly. */
+/** Check if obj is a T, not including base classes. */
template <class T>
-inline bool is_exactly_a(const basic &obj)
+inline bool is_exactly_a(const basic & obj)
{
- return obj.tinfo() == T::get_class_info_static().options.get_id();
+ return obj.tinfo() == &T::tinfo_static;
}
} // namespace GiNaC