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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
| 6 | |
| 7 #ifndef XFA_SRC_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_ | |
| 8 #define XFA_SRC_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_ | |
| 9 | |
| 10 #include "core/include/fxcrt/fx_basic.h" | |
| 11 | |
| 12 class CBC_ReedSolomonGF256; | |
| 13 | |
| 14 class CBC_ReedSolomonGF256Poly { | |
| 15 public: | |
| 16 CBC_ReedSolomonGF256Poly(CBC_ReedSolomonGF256* field, int32_t coefficients); | |
| 17 CBC_ReedSolomonGF256Poly(); | |
| 18 virtual ~CBC_ReedSolomonGF256Poly(); | |
| 19 int32_t GetCoefficients(int32_t degree); | |
| 20 CFX_Int32Array* GetCoefficients(); | |
| 21 int32_t GetDegree(); | |
| 22 FX_BOOL IsZero(); | |
| 23 int32_t EvaluateAt(int32_t a); | |
| 24 CBC_ReedSolomonGF256Poly* AddOrSubtract(CBC_ReedSolomonGF256Poly* other, | |
| 25 int32_t& e); | |
| 26 CBC_ReedSolomonGF256Poly* Multiply(CBC_ReedSolomonGF256Poly* other, | |
| 27 int32_t& e); | |
| 28 CBC_ReedSolomonGF256Poly* Multiply(int32_t scalar, int32_t& e); | |
| 29 CBC_ReedSolomonGF256Poly* MultiplyByMonomial(int32_t degree, | |
| 30 int32_t coefficient, | |
| 31 int32_t& e); | |
| 32 CFX_PtrArray* Divide(CBC_ReedSolomonGF256Poly* other, int32_t& e); | |
| 33 CBC_ReedSolomonGF256Poly* Clone(int32_t& e); | |
| 34 virtual void Init(CBC_ReedSolomonGF256* field, | |
| 35 CFX_Int32Array* coefficients, | |
| 36 int32_t& e); | |
| 37 | |
| 38 private: | |
| 39 CBC_ReedSolomonGF256* m_field; | |
| 40 CFX_Int32Array m_coefficients; | |
| 41 }; | |
| 42 | |
| 43 #endif // XFA_SRC_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_ | |
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