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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 2012 ZXing authors | 8 * Copyright 2012 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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110 } | 110 } |
111 int32_t CBC_PDF417ECModulusGF::multiply(int32_t a, int32_t b) { | 111 int32_t CBC_PDF417ECModulusGF::multiply(int32_t a, int32_t b) { |
112 if (a == 0 || b == 0) { | 112 if (a == 0 || b == 0) { |
113 return 0; | 113 return 0; |
114 } | 114 } |
115 return m_expTable[(m_logTable[a] + m_logTable[b]) % (m_modulus - 1)]; | 115 return m_expTable[(m_logTable[a] + m_logTable[b]) % (m_modulus - 1)]; |
116 } | 116 } |
117 int32_t CBC_PDF417ECModulusGF::getSize() { | 117 int32_t CBC_PDF417ECModulusGF::getSize() { |
118 return m_modulus; | 118 return m_modulus; |
119 } | 119 } |
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