linuxdebug/include/linux/polynomial.h

36 lines
814 B
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2020 BAIKAL ELECTRONICS, JSC
*/
#ifndef _POLYNOMIAL_H
#define _POLYNOMIAL_H
/*
* struct polynomial_term - one term descriptor of a polynomial
* @deg: degree of the term.
* @coef: multiplication factor of the term.
* @divider: distributed divider per each degree.
* @divider_leftover: divider leftover, which couldn't be redistributed.
*/
struct polynomial_term {
unsigned int deg;
long coef;
long divider;
long divider_leftover;
};
/*
* struct polynomial - a polynomial descriptor
* @total_divider: total data divider.
* @terms: polynomial terms, last term must have degree of 0
*/
struct polynomial {
long total_divider;
struct polynomial_term terms[];
};
long polynomial_calc(const struct polynomial *poly, long data);
#endif