X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=ginac%2Fpower.h;h=d9748ef93adfc9590f51a666f18f204eef6a634b;hb=20466971843965316dba5afb7510e6337276f752;hp=08c8a75a5b1ab9f7a1f5ad6c018f1f794a963476;hpb=19c8f943c15dcc0d946fb4d5fef11e487d34857a;p=ginac.git diff --git a/ginac/power.h b/ginac/power.h index 08c8a75a..d9748ef9 100644 --- a/ginac/power.h +++ b/ginac/power.h @@ -3,7 +3,7 @@ * Interface to GiNaC's symbolic exponentiation (basis^exponent). */ /* - * GiNaC Copyright (C) 1999-2000 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 @@ -26,9 +26,7 @@ #include "basic.h" #include "ex.h" -#ifndef NO_NAMESPACE_GINAC namespace GiNaC { -#endif // ndef NO_NAMESPACE_GINAC class numeric; class add; @@ -38,49 +36,35 @@ class add; class power : public basic { GINAC_DECLARE_REGISTERED_CLASS(power, basic) - + friend class mul; - + // member functions - - // default constructor, destructor, copy constructor assignment operator and helpers -public: - power(); - ~power(); - power(const power & other); - const power & operator=(const power & other); -protected: - void copy(const power & other); - void destroy(bool call_parent); - - // other constructors + + // other ctors public: 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(std::ostream & os, unsigned upper_precedence = 0) const; - void printraw(std::ostream & os) const; - void printtree(std::ostream & os, unsigned indent) const; - void printcsrc(std::ostream & os, unsigned type, unsigned upper_precedence = 0) const; + void print(const print_context & c, unsigned level = 0) const; bool info(unsigned inf) 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; + int degree(const ex & s) const; + int ldegree(const ex & s) const; + ex coeff(const ex & s, int n = 1) const; ex eval(int level=0) const; ex evalf(int level=0) const; ex series(const relational & s, int order, unsigned options = 0) const; ex subs(const lst & ls, const lst & lr) const; ex normal(lst &sym_lst, lst &repl_lst, int level = 0) const; ex to_rational(lst &repl_lst) const; + exvector get_free_indices(void) const; ex simplify_ncmul(const exvector & v) const; protected: 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; @@ -96,20 +80,15 @@ protected: //ex expand_commutative_3(const ex & basis, const numeric & exponent, // unsigned options) const; //ex expand_noncommutative(const ex & basis, const numeric & exponent, unsigned options) const; - + // member variables - + protected: ex basis; ex exponent; static unsigned precedence; }; -// global constants - -extern const power some_power; -extern const type_info & typeid_power; - // utility functions inline const power &ex_to_power(const ex &e) { @@ -123,14 +102,13 @@ inline const power &ex_to_power(const ex &e) * @param b the basis expression * @param e the exponent expression */ inline ex pow(const ex & b, const ex & e) -{ return power(b,e); } +{ + return power(b, e); +} -/** Square root expression. Returns a power-object with exponent 1/2 as a new - * expression. */ +/** Square root expression. Returns a power-object with exponent 1/2. */ ex sqrt(const ex & a); -#ifndef NO_NAMESPACE_GINAC } // namespace GiNaC -#endif // ndef NO_NAMESPACE_GINAC #endif // ndef __GINAC_POWER_H__