blob: 3eff31b6225d9ebc05322a09867b8b6818f471d2 (
plain)
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
|
// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_
#define XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_
#include "core/fxcrt/fx_basic.h"
class CBC_ReedSolomonGF256;
class CBC_ReedSolomonGF256Poly final {
public:
CBC_ReedSolomonGF256Poly(CBC_ReedSolomonGF256* field, int32_t coefficients);
CBC_ReedSolomonGF256Poly();
~CBC_ReedSolomonGF256Poly();
void Init(CBC_ReedSolomonGF256* field,
CFX_Int32Array* coefficients,
int32_t& e);
int32_t GetCoefficients(int32_t degree);
CFX_Int32Array* GetCoefficients();
int32_t GetDegree();
bool IsZero();
int32_t EvaluateAt(int32_t a);
CBC_ReedSolomonGF256Poly* AddOrSubtract(CBC_ReedSolomonGF256Poly* other,
int32_t& e);
CBC_ReedSolomonGF256Poly* Multiply(CBC_ReedSolomonGF256Poly* other,
int32_t& e);
CBC_ReedSolomonGF256Poly* Multiply(int32_t scalar, int32_t& e);
CBC_ReedSolomonGF256Poly* MultiplyByMonomial(int32_t degree,
int32_t coefficient,
int32_t& e);
CFX_ArrayTemplate<CBC_ReedSolomonGF256Poly*>* Divide(
CBC_ReedSolomonGF256Poly* other,
int32_t& e);
CBC_ReedSolomonGF256Poly* Clone(int32_t& e);
private:
CBC_ReedSolomonGF256* m_field;
CFX_Int32Array m_coefficients;
};
#endif // XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_
|
