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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 // Original code is licensed as follows: | 6 // Original code is licensed as follows: |
7 /* | 7 /* |
8 * Copyright 2007 ZXing authors | 8 * Copyright 2007 ZXing authors |
9 * | 9 * |
10 * Licensed under the Apache License, Version 2.0 (the "License"); | 10 * Licensed under the Apache License, Version 2.0 (the "License"); |
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63 } else { | 63 } else { |
64 m_coefficients.Copy(*coefficients); | 64 m_coefficients.Copy(*coefficients); |
65 } | 65 } |
66 } | 66 } |
67 CFX_Int32Array* CBC_ReedSolomonGF256Poly::GetCoefficients() { | 67 CFX_Int32Array* CBC_ReedSolomonGF256Poly::GetCoefficients() { |
68 return &m_coefficients; | 68 return &m_coefficients; |
69 } | 69 } |
70 int32_t CBC_ReedSolomonGF256Poly::GetDegree() { | 70 int32_t CBC_ReedSolomonGF256Poly::GetDegree() { |
71 return m_coefficients.GetSize() - 1; | 71 return m_coefficients.GetSize() - 1; |
72 } | 72 } |
73 FX_BOOL CBC_ReedSolomonGF256Poly::IsZero() { | 73 bool CBC_ReedSolomonGF256Poly::IsZero() { |
74 return m_coefficients[0] == 0; | 74 return m_coefficients[0] == 0; |
75 } | 75 } |
76 int32_t CBC_ReedSolomonGF256Poly::GetCoefficients(int32_t degree) { | 76 int32_t CBC_ReedSolomonGF256Poly::GetCoefficients(int32_t degree) { |
77 return m_coefficients[m_coefficients.GetSize() - 1 - degree]; | 77 return m_coefficients[m_coefficients.GetSize() - 1 - degree]; |
78 } | 78 } |
79 int32_t CBC_ReedSolomonGF256Poly::EvaluateAt(int32_t a) { | 79 int32_t CBC_ReedSolomonGF256Poly::EvaluateAt(int32_t a) { |
80 if (a == 0) { | 80 if (a == 0) { |
81 return GetCoefficients(0); | 81 return GetCoefficients(0); |
82 } | 82 } |
83 int32_t size = m_coefficients.GetSize(); | 83 int32_t size = m_coefficients.GetSize(); |
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238 CFX_ArrayTemplate<CBC_ReedSolomonGF256Poly*>* tempPtrA = | 238 CFX_ArrayTemplate<CBC_ReedSolomonGF256Poly*>* tempPtrA = |
239 new CFX_ArrayTemplate<CBC_ReedSolomonGF256Poly*>(); | 239 new CFX_ArrayTemplate<CBC_ReedSolomonGF256Poly*>(); |
240 tempPtrA->Add(quotient.release()); | 240 tempPtrA->Add(quotient.release()); |
241 tempPtrA->Add(remainder.release()); | 241 tempPtrA->Add(remainder.release()); |
242 return tempPtrA; | 242 return tempPtrA; |
243 } | 243 } |
244 | 244 |
245 CBC_ReedSolomonGF256Poly::~CBC_ReedSolomonGF256Poly() { | 245 CBC_ReedSolomonGF256Poly::~CBC_ReedSolomonGF256Poly() { |
246 m_coefficients.RemoveAll(); | 246 m_coefficients.RemoveAll(); |
247 } | 247 } |
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