X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fpower.h;h=ac85f722e84021092b633c057c7c726ec5e5ffe4;hp=4e1df9fb87bc34d9fb0f5d245eaa72faf03e5e98;hb=6c946d4c762f5a0d6a3b742f03556dd018d63886;hpb=68fdf425abf14d016d5f95ee7b9d06a19a3c5926 diff --git a/ginac/power.h b/ginac/power.h index 4e1df9fb..ac85f722 100644 --- a/ginac/power.h +++ b/ginac/power.h @@ -3,7 +3,7 @@ * Interface to GiNaC's symbolic exponentiation (basis^exponent). */ /* - * GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany + * GiNaC Copyright (C) 1999-2015 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 @@ -17,19 +17,21 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef __GINAC_POWER_H__ -#define __GINAC_POWER_H__ +#ifndef GINAC_POWER_H +#define GINAC_POWER_H #include "basic.h" #include "ex.h" +#include "archive.h" namespace GiNaC { class numeric; class add; +class mul; /** This class holds a two-component object, a basis and and exponent * representing exponentiation. */ @@ -43,44 +45,59 @@ class power : public basic // other constructors public: - power(const ex & lh, const ex & rh) : inherited(TINFO_power), basis(lh), exponent(rh) {} - template power(const ex & lh, const T & rh) : inherited(TINFO_power), basis(lh), exponent(rh) {} + power(const ex & lh, const ex & rh) : basis(lh), exponent(rh) {} + template power(const ex & lh, const T & rh) : basis(lh), exponent(rh) {} // functions overriding virtual functions from base classes public: - void print(const print_context & c, unsigned level = 0) const; - unsigned precedence() const {return 60;} - bool info(unsigned inf) const; - size_t nops() const; - ex op(size_t i) const; - ex map(map_function & f) 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 evalm() const; - ex series(const relational & s, int order, unsigned options = 0) const; - ex subs(const lst & ls, const lst & lr, unsigned options = 0) const; - ex normal(lst &sym_lst, lst &repl_lst, int level = 0) const; - ex to_rational(lst &repl_lst) const; - ex to_polynomial(lst &repl_lst) const; - exvector get_free_indices() const; + unsigned precedence() const override {return 60;} + bool info(unsigned inf) const override; + size_t nops() const override; + ex op(size_t i) const override; + ex map(map_function & f) const override; + bool is_polynomial(const ex & var) const override; + int degree(const ex & s) const override; + int ldegree(const ex & s) const override; + ex coeff(const ex & s, int n = 1) const override; + ex eval() const override; + ex evalf(int level=0) const override; + ex evalm() const override; + ex series(const relational & s, int order, unsigned options = 0) const override; + ex subs(const exmap & m, unsigned options = 0) const override; + bool has(const ex & other, unsigned options = 0) const override; + ex normal(exmap & repl, exmap & rev_lookup, int level = 0) const override; + ex to_rational(exmap & repl) const override; + ex to_polynomial(exmap & repl) const override; + ex conjugate() const override; + ex real_part() const override; + ex imag_part() const override; + /** Save (a.k.a. serialize) object into archive. */ + void archive(archive_node& n) const override; + /** Read (a.k.a. deserialize) object from archive. */ + void read_archive(const archive_node& n, lst& syms) override; protected: - ex derivative(const symbol & s) const; - ex eval_ncmul(const exvector & v) const; - unsigned return_type() const; - unsigned return_type_tinfo() const; - ex expand(unsigned options = 0) const; + ex derivative(const symbol & s) const override; + ex eval_ncmul(const exvector & v) const override; + unsigned return_type() const override; + return_type_t return_type_tinfo() const override; + ex expand(unsigned options = 0) const override; // new virtual functions which can be overridden by derived classes // none // non-virtual functions in this class protected: - 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; + void print_power(const print_context & c, const char *powersymbol, const char *openbrace, const char *closebrace, unsigned level) const; + void do_print_dflt(const print_dflt & c, unsigned level) const; + void do_print_latex(const print_latex & c, unsigned level) const; + void do_print_csrc(const print_csrc & c, unsigned level) const; + void do_print_python(const print_python & c, unsigned level) const; + void do_print_python_repr(const print_python_repr & c, unsigned level) const; + void do_print_csrc_cl_N(const print_csrc_cl_N & c, unsigned level) const; + + static ex expand_add(const add & a, long n, unsigned options); + static ex expand_add_2(const add & a, unsigned options); + static ex expand_mul(const mul & m, const numeric & n, unsigned options, bool from_expand = false); // member variables @@ -88,14 +105,7 @@ protected: ex basis; ex exponent; }; - -// utility functions - -/** Efficient specialization of is_exactly_a(obj) for power objects. */ -template<> inline bool is_exactly_a(const basic & obj) -{ - return obj.tinfo()==TINFO_power; -} +GINAC_DECLARE_UNARCHIVER(power); // wrapper functions @@ -105,12 +115,12 @@ template<> inline bool is_exactly_a(const basic & obj) * @param e the exponent expression */ inline ex pow(const ex & b, const ex & e) { - return power(b, e); + return dynallocate(b, e); } template inline ex pow(const T1 & b, const T2 & e) { - return power(ex(b), ex(e)); + return dynallocate(ex(b), ex(e)); } /** Square root expression. Returns a power-object with exponent 1/2. */ @@ -122,4 +132,4 @@ inline ex sqrt(const ex & a) } // namespace GiNaC -#endif // ndef __GINAC_POWER_H__ +#endif // ndef GINAC_POWER_H