| // 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/include/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(); |
| FX_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_ |