ncmul.h

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/*
 *  GiNaC Copyright (C) 1999-2026 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, see <https://www.gnu.org/licenses/>.
 */
 
#ifndef GINAC_NCMUL_H
#define GINAC_NCMUL_H
 
#include "exprseq.h"
#include "archive.h"
 
namespace GiNaC {

class ncmul : public exprseq
{
    GINAC_DECLARE_REGISTERED_CLASS(ncmul, exprseq)
 
    friend class power;
    friend ex reeval_ncmul(const exvector & v);
    friend ex hold_ncmul(const exvector & v);
 
// member functions
 
    // other constructors
public:
    ncmul(const ex & lh, const ex & rh);
    ncmul(const ex & f1, const ex & f2, const ex & f3);
    ncmul(const ex & f1, const ex & f2, const ex & f3,
          const ex & f4);
    ncmul(const ex & f1, const ex & f2, const ex & f3,
          const ex & f4, const ex & f5);
    ncmul(const ex & f1, const ex & f2, const ex & f3,
          const ex & f4, const ex & f5, const ex & f6);
    ncmul(const exvector & v);
    ncmul(exvector && v);
 
    // functions overriding virtual functions from base classes
public:
    unsigned precedence() const override {return 50;}
    bool info(unsigned inf) const override;
    int degree(const ex & s) const override;
    int ldegree(const ex & s) const override;
    ex expand(unsigned options=0) const override;
    ex coeff(const ex & s, int n=1) const override;
    ex eval() const override;
    ex evalm() const override;
    exvector get_free_indices() const override;
    ex thiscontainer(const exvector & v) const override;
    ex thiscontainer(exvector && v) const override;
    ex conjugate() const override;
    ex real_part() const override;
    ex imag_part() const override;
 
protected:
    ex derivative(const symbol & s) const override;
    unsigned return_type() const override;
    return_type_t return_type_tinfo() const override;
    
    // new virtual functions which can be overridden by derived classes
    // none
 
    // non-virtual functions in this class
protected:
    void do_print(const print_context & c, unsigned level) const;
    void do_print_csrc(const print_context & c, unsigned level) const;
    size_t count_factors(const ex & e) const;
    void append_factors(exvector & v, const ex & e) const;
    exvector expandchildren(unsigned options) const;
public:
    const exvector & get_factors() const;
};
GINAC_DECLARE_UNARCHIVER(ncmul);
 
// friend funtions 
 
ex reeval_ncmul(const exvector & v);
ex hold_ncmul(const exvector & v);
 
} // namespace GiNaC
 
#endif // ndef GINAC_NCMUL_H