Merge remote-tracking branch 'pynac-filtered/master' into t/32386/merge_pynac_as_src_sage_symbolic_ginac

Author: Matthias Koeppe

src/sage/symbolic/ginac/add.cpp

@@ -0,0 +1,104 @@
+/** @file add.h
+ *
+ *  Interface to GiNaC's sums of expressions. */
+
+/*
+ *  GiNaC Copyright (C) 1999-2008 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
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef __GINAC_ADD_H__
+#define __GINAC_ADD_H__
+
+#include "expairseq.h"
+
+namespace GiNaC {
+
+/** Sum of expressions. */
+class add : public expairseq
+{
+	GINAC_DECLARE_REGISTERED_CLASS(add, expairseq)
+	
+        friend class ex;
+	friend class mul;
+	friend class power;
+        friend ex Power(const ex& base_, const ex& expo_);
+	
+	// other constructors
+public:
+	add(const ex & lh, const ex & rh);
+	add(const exvector & v, bool hold=false);
+	add(const epvector & v);
+	add(const epvector & v, const numeric & oc);
+//	add(std::unique_ptr<epvector> vp, const ex & oc);
+        static ex unarchive(const archive_node &n, lst &sym_lst)
+        {
+                return (new add(n, sym_lst))->
+                        setflag(status_flags::dynallocated);
+        }
+	
+	// functions overriding virtual functions from base classes
+public:
+	unsigned precedence() const override {return 40;}
+	bool info(unsigned inf) const override;
+	bool is_polynomial(const ex & var) const override;
+	numeric degree(const ex & s) const override;
+	numeric ldegree(const ex & s) const override;
+	ex coeff(const ex & s, const ex & n) const override;
+	ex eval(int level=0) const override;
+	ex series(const relational & r, int order, unsigned options = 0) const override;
+        void useries(flint_series_t& fp, int order) const override;
+	ex normal(exmap & repl, exmap & rev_lookup, int level=0, unsigned options = 0) const override;
+	numeric integer_content() const override;
+	ex smod(const numeric &xi) const override;
+	numeric max_coefficient() const override;
+	ex conjugate() const override;
+	ex real_part() const override;
+	ex imag_part() const override;
+	const epvector & get_sorted_seq() const override;
+	ex lead_coeff() const;
+protected:
+	ex derivative(const symbol & s) const override;
+	unsigned return_type() const override;
+	tinfo_t return_type_tinfo() const override;
+	ex thisexpairseq(const epvector & v, const numeric & oc, bool do_index_renaming = false) const override;
+	ex thisexpairseq(std::unique_ptr<epvector> vp, const numeric & oc, bool do_index_renaming = false) const override;
+	expair split_ex_to_pair(const ex & e) const override;
+	expair combine_ex_with_coeff_to_pair(const ex & e,
+	                                     const numeric & c) const override;
+	expair combine_pair_with_coeff_to_pair(const expair & p,
+	                                     const numeric & c) const override;
+	ex recombine_pair_to_ex(const expair & p) const override;
+	ex power(const numeric& expo) const;
+	ex expand(unsigned options=0) const override;
+	ex eval_infinity(epvector::const_iterator infinity_iter) const;
+
+	// non-virtual functions in this class
+protected:
+	void print_add(const print_context & c, unsigned level, bool latex) const;
+	void do_print(const print_context & c, unsigned level) const override;
+	void do_print_latex(const print_latex & c, unsigned level) const;
+	void do_print_python_repr(const print_python_repr & c, unsigned level) const override;
+
+public:
+        ex combine_fractions() const;
+};
+
+ex Power(const ex& base_, const ex& expo_);
+
+} // namespace GiNaC
+
+#endif // ndef __GINAC_ADD_H__