mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-30 08:02:30 +00:00
36 lines
814 B
C
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
|