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