* Interface to GiNaC's symbolic exponentiation (basis^exponent). */
/*
- * GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2000 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
#ifndef __GINAC_POWER_H__
#define __GINAC_POWER_H__
-#include <ginac/basic.h>
-#include <ginac/ex.h>
+#include "basic.h"
+#include "ex.h"
-#ifndef NO_GINAC_NAMESPACE
+#ifndef NO_NAMESPACE_GINAC
namespace GiNaC {
-#endif // ndef NO_GINAC_NAMESPACE
+#endif // ndef NO_NAMESPACE_GINAC
class numeric;
class add;
* representing exponentiation. */
class power : public basic
{
+ GINAC_DECLARE_REGISTERED_CLASS(power, basic)
+
friend class mul;
// member functions
public:
power();
~power();
- power(power const & other);
- power const & operator=(power const & other);
+ power(const power & other);
+ const power & operator=(const power & other);
protected:
- void copy(power const & other);
+ void copy(const power & other);
void destroy(bool call_parent);
// other constructors
public:
- power(ex const & lh, ex const & rh);
- power(ex const & lh, numeric const & rh);
+ power(const ex & lh, const ex & rh);
+ power(const ex & lh, const numeric & rh);
// functions overriding virtual functions from bases classes
public:
basic * duplicate() const;
+ void print(ostream & os, unsigned upper_precedence=0) const;
void printraw(ostream & os) const;
void printtree(ostream & os, unsigned indent) const;
- void print(ostream & os, unsigned upper_precedence=0) const;
void printcsrc(ostream & os, unsigned type, unsigned upper_precedence=0) const;
bool info(unsigned inf) const;
- int nops() const;
- ex & let_op(int const i);
- int degree(symbol const & s) const;
- int ldegree(symbol const & s) const;
- ex coeff(symbol const & s, int const n=1) const;
+ unsigned nops() const;
+ ex & let_op(int i);
+ 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 diff(symbol const & s) const;
- ex series(symbol const & s, ex const & point, int order) const;
- ex subs(lst const & ls, lst const & lr) const;
+ ex series(const relational & s, int order) const;
+ ex subs(const lst & ls, const lst & lr) const;
ex normal(lst &sym_lst, lst &repl_lst, int level=0) const;
- ex simplify_ncmul(exvector const & v) const;
+ ex to_rational(lst &repl_lst) const;
+ ex simplify_ncmul(const exvector & v) const;
protected:
- int compare_same_type(basic const & other) const;
+ ex derivative(const symbol & s) const;
+ int compare_same_type(const basic & other) const;
unsigned return_type(void) const;
unsigned return_type_tinfo(void) const;
ex expand(unsigned options=0) const;
// non-virtual functions in this class
protected:
- ex expand_add(add const & a, int const n) const;
- ex expand_add_2(add const & a) const;
- ex expand_mul(mul const & m, numeric const & n) const;
- //ex expand_commutative_3(ex const & basis, numeric const & exponent,
+ ex expand_add(const add & a, int n) const;
+ ex expand_add_2(const add & a) const;
+ ex expand_mul(const mul & m, const numeric & n) const;
+ //ex expand_commutative_3(const ex & basis, const numeric & exponent,
// unsigned options) const;
- // ex expand_noncommutative(ex const & basis, numeric const & exponent, unsigned options) const;
+ // ex expand_noncommutative(const ex & basis, const numeric & exponent, unsigned options) const;
// member variables
// global constants
extern const power some_power;
-extern type_info const & typeid_power;
+extern const type_info & typeid_power;
// utility functions
inline const power &ex_to_power(const ex &e)
*
* @param b the basis expression
* @param e the exponent expression */
-inline ex pow(ex const & b, ex const & e)
+inline ex pow(const ex & b, const ex & e)
{ return power(b,e); }
/** Square root expression. Returns a power-object with exponent 1/2 as a new
* expression. */
-inline ex sqrt(ex const & a)
-{ return power(a,exHALF()); }
+ex sqrt(const ex & a);
-#ifndef NO_GINAC_NAMESPACE
+#ifndef NO_NAMESPACE_GINAC
} // namespace GiNaC
-#endif // ndef NO_GINAC_NAMESPACE
+#endif // ndef NO_NAMESPACE_GINAC
#endif // ndef __GINAC_POWER_H__