X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fpseries.h;h=ddbdcfa772ac91c5924ce61c21069dc081bd2ea8;hp=f2fc759137274c847299f77d976802148871b760;hb=c0fcba137d26486085ed5d4104b34d2c44978693;hpb=e7cc6a764ff67b5885d6633385fac23ccc1dc9a7 diff --git a/ginac/pseries.h b/ginac/pseries.h index f2fc7591..ddbdcfa7 100644 --- a/ginac/pseries.h +++ b/ginac/pseries.h @@ -3,7 +3,7 @@ * Interface to class for extended truncated power series. */ /* - * GiNaC Copyright (C) 1999-2002 Johannes Gutenberg University Mainz, Germany + * GiNaC Copyright (C) 1999-2010 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 @@ -17,11 +17,11 @@ * * 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_SERIES_H__ -#define __GINAC_SERIES_H__ +#ifndef GINAC_SERIES_H +#define GINAC_SERIES_H #include "basic.h" #include "expairseq.h" @@ -36,17 +36,15 @@ class pseries : public basic { GINAC_DECLARE_REGISTERED_CLASS(pseries, basic) - // other ctors + // other constructors public: pseries(const ex &rel_, const epvector &ops_); // functions overriding virtual functions from base classes public: - void print(const print_context & c, unsigned level = 0) const; - unsigned precedence(void) const {return 38;} // for clarity just below add::precedence - unsigned nops(void) const; - ex op(int i) const; - ex &let_op(int i); + unsigned precedence() const {return 38;} // for clarity just below add::precedence + size_t nops() const; + ex op(size_t i) const; int degree(const ex &s) const; int ldegree(const ex &s) const; ex coeff(const ex &s, int n = 1) const; @@ -54,19 +52,28 @@ public: ex eval(int level=0) const; ex evalf(int level=0) const; ex series(const relational & r, int order, unsigned options = 0) const; - ex subs(const lst & ls, const lst & lr, bool no_pattern = false) const; - ex normal(lst &sym_lst, lst &repl_lst, int level = 0) const; + ex subs(const exmap & m, unsigned options = 0) const; + ex normal(exmap & repl, exmap & rev_lookup, int level = 0) const; ex expand(unsigned options = 0) const; + ex conjugate() const; + ex real_part() const; + ex imag_part() const; + ex eval_integ() const; + ex evalm() const; + /** Save (a.k.a. serialize) object into archive. */ + void archive(archive_node& n) const; + /** Read (a.k.a. deserialize) object from archive. */ + void read_archive(const archive_node& n, lst& syms); protected: ex derivative(const symbol & s) const; // non-virtual functions in this class public: /** Get the expansion variable. */ - ex get_var(void) const {return var;} + ex get_var() const {return var;} /** Get the expansion point. */ - ex get_point(void) const {return point;} + ex get_point() const {return point;} /** Convert the pseries object to an ordinary polynomial. * @@ -78,11 +85,15 @@ public: bool is_compatible_to(const pseries &other) const {return var.is_equal(other.var) && point.is_equal(other.point);} /** Check whether series has the value zero. */ - bool is_zero(void) const {return seq.size() == 0;} + bool is_zero() const {return seq.size() == 0;} /** Returns true if there is no order term, i.e. the series terminates and * false otherwise. */ - bool is_terminating(void) const; + bool is_terminating() const; + + /** Get coefficients and exponents. */ + ex coeffop(size_t i) const; + ex exponop(size_t i) const; ex add_series(const pseries &other) const; ex mul_const(const numeric &other) const; @@ -90,6 +101,14 @@ public: ex power_const(const numeric &p, int deg) const; pseries shift_exponents(int deg) const; +protected: + void print_series(const print_context & c, const char *openbrace, const char *closebrace, const char *mul_sym, const char *pow_sym, unsigned level) const; + void do_print(const print_context & c, unsigned level) const; + void do_print_latex(const print_latex & c, unsigned level) const; + void do_print_tree(const print_tree & 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; + protected: /** Vector of {coefficient, power} pairs */ epvector seq; @@ -100,16 +119,11 @@ protected: /** Expansion point */ ex point; }; +GINAC_DECLARE_UNARCHIVER(pseries); // utility functions -/** Specialization of is_exactly_a(obj) for pseries objects. */ -template<> inline bool is_exactly_a(const basic & obj) -{ - return obj.tinfo()==TINFO_pseries; -} - /** Convert the pseries object embedded in an expression to an ordinary * polynomial in the expansion variable. The result is undefined if the * expression does not contain a pseries object at its top level. @@ -130,4 +144,4 @@ inline bool is_terminating(const pseries & s) } // namespace GiNaC -#endif // ndef __GINAC_SERIES_H__ +#endif // ndef GINAC_SERIES_H