/usr/include/ginac/mul.h is in libginac-dev 1.7.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | /** @file mul.h
*
* Interface to GiNaC's products of expressions. */
/*
* GiNaC Copyright (C) 1999-2018 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_MUL_H
#define GINAC_MUL_H
#include "expairseq.h"
namespace GiNaC {
/** Product of expressions. */
class mul : public expairseq
{
GINAC_DECLARE_REGISTERED_CLASS(mul, expairseq)
friend class add;
friend class ncmul;
friend class power;
// other constructors
public:
mul(const ex & lh, const ex & rh);
mul(const exvector & v);
mul(const epvector & v);
mul(const epvector & v, const ex & oc, bool do_index_renaming = false);
mul(epvector && vp);
mul(epvector && vp, const ex & oc, bool do_index_renaming = false);
mul(const ex & lh, const ex & mh, const ex & rh);
// functions overriding virtual functions from base classes
public:
unsigned precedence() const override {return 50;}
bool info(unsigned inf) 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;
bool has(const ex & other, unsigned options = 0) const override;
ex eval() const override;
ex evalf() const override;
ex real_part() const override;
ex imag_part() const override;
ex evalm() const override;
ex series(const relational & s, int order, unsigned options = 0) const override;
ex normal(exmap & repl, exmap & rev_lookup) const override;
numeric integer_content() const override;
ex smod(const numeric &xi) const override;
numeric max_coefficient() const override;
exvector get_free_indices() const override;
ex conjugate() const override;
protected:
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 thisexpairseq(const epvector & v, const ex & oc, bool do_index_renaming = false) const override;
ex thisexpairseq(epvector && vp, const ex & 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 ex & c) const override;
expair combine_pair_with_coeff_to_pair(const expair & p, const ex & c) const override;
ex recombine_pair_to_ex(const expair & p) const override;
bool expair_needs_further_processing(epp it) override;
ex default_overall_coeff() const override;
void combine_overall_coeff(const ex & c) override;
void combine_overall_coeff(const ex & c1, const ex & c2) override;
bool can_make_flat(const expair & p) 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
public:
ex algebraic_subs_mul(const exmap & m, unsigned options) const;
protected:
void find_real_imag(ex&, ex&) const;
void print_overall_coeff(const print_context & c, const char *mul_sym) 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_csrc(const print_csrc & c, unsigned level) const;
void do_print_python_repr(const print_python_repr & c, unsigned level) const;
static bool can_be_further_expanded(const ex & e);
epvector expandchildren(unsigned options) const;
};
GINAC_DECLARE_UNARCHIVER(mul);
} // namespace GiNaC
#endif // ndef GINAC_MUL_H
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