//
// Created by zemon on 29.07.2022.
//

#ifndef PDM_FIR_TEST_POLYGALOIS256_H
#define PDM_FIR_TEST_POLYGALOIS256_H

#include "stdint.h"
#include "Galois256.h"
#include "stddef.h"

//f(x) = data[0]x^0 + data[1]x^1 ....
typedef struct {
    uint8_t *data;
    size_t length;
} tPolyGalois256;

size_t sPolyGalois256HighestDegree(tPolyGalois256 *poly);

void vPolyGalois256Mul(tGalois256 *gf, tPolyGalois256 *first, tPolyGalois256 *second, tPolyGalois256 *result);

void vPolyGalois256Copy(tPolyGalois256 *source, tPolyGalois256 *target);

void vPolyGalois256CopyRevers(tPolyGalois256 *source, tPolyGalois256 *target);

void vPolyGalois256Revers(tPolyGalois256 *source);

void vPolyGalois256FormalDerivative(tPolyGalois256 *source, tPolyGalois256 *derivative);

uint8_t iPolyGalois256GetMax(tPolyGalois256 *source);

uint8_t iPolyGalois256Value(tGalois256 *gf, tPolyGalois256 *env, uint8_t input);

uint8_t iPolyGalois256IsZero(tPolyGalois256 *source);

void vPolyGalois256DividePolynomials(
        tGalois256 *gf,
        tPolyGalois256 *remainder_out,
        tPolyGalois256 *divisor
);

void vPolyGalois256MulNumberSelf(tGalois256 *gf, tPolyGalois256 *poly, uint8_t number);

void vPolyGalois256Scale(tGalois256 *gf, tPolyGalois256 *orgn, uint8_t number, tPolyGalois256 *result);

void vPolyGalois256Add(tGalois256 *gf, tPolyGalois256 *first, tPolyGalois256 *second, tPolyGalois256 *result);

#endif //PDM_FIR_TEST_POLYGALOIS256_H