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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"); |
11 * you may not use this file except in compliance with the License. | 11 * you may not use this file except in compliance with the License. |
12 * You may obtain a copy of the License at | 12 * You may obtain a copy of the License at |
13 * | 13 * |
14 * http://www.apache.org/licenses/LICENSE-2.0 | 14 * http://www.apache.org/licenses/LICENSE-2.0 |
15 * | 15 * |
16 * Unless required by applicable law or agreed to in writing, software | 16 * Unless required by applicable law or agreed to in writing, software |
17 * distributed under the License is distributed on an "AS IS" BASIS, | 17 * distributed under the License is distributed on an "AS IS" BASIS, |
18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
19 * See the License for the specific language governing permissions and | 19 * See the License for the specific language governing permissions and |
20 * limitations under the License. | 20 * limitations under the License. |
21 */ | 21 */ |
22 | 22 |
23 #include "barcode.h" | 23 #include "../../barcode.h" |
24 #include "include/BC_ReedSolomonGF256.h" | 24 #include "BC_ReedSolomonGF256.h" |
25 #include "include/BC_ReedSolomonGF256Poly.h" | 25 #include "BC_ReedSolomonGF256Poly.h" |
26 #include "include/BC_ReedSolomonDecoder.h" | 26 #include "BC_ReedSolomonDecoder.h" |
27 CBC_ReedSolomonDecoder::CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256* field) | 27 CBC_ReedSolomonDecoder::CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256* field) |
28 { | 28 { |
29 m_field = field; | 29 m_field = field; |
30 } | 30 } |
31 CBC_ReedSolomonDecoder::~CBC_ReedSolomonDecoder() | 31 CBC_ReedSolomonDecoder::~CBC_ReedSolomonDecoder() |
32 { | 32 { |
33 } | 33 } |
34 void CBC_ReedSolomonDecoder::Decode(CFX_Int32Array* received, FX_INT32 twoS, FX_
INT32 &e) | 34 void CBC_ReedSolomonDecoder::Decode(CFX_Int32Array* received, FX_INT32 twoS, FX_
INT32 &e) |
35 { | 35 { |
36 CBC_ReedSolomonGF256Poly poly; | 36 CBC_ReedSolomonGF256Poly poly; |
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215 CBC_ReedSolomonGF256::AddOrSubtr
act(1, m_field->Multiply(errorLocations->operator [](j), xiInverse))); | 215 CBC_ReedSolomonGF256::AddOrSubtr
act(1, m_field->Multiply(errorLocations->operator [](j), xiInverse))); |
216 } | 216 } |
217 } | 217 } |
218 FX_INT32 temp = m_field->Inverse(denominator, temp); | 218 FX_INT32 temp = m_field->Inverse(denominator, temp); |
219 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); | 219 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
220 (*result)[i] = m_field->Multiply(errorEvaluator->EvaluateAt(xiInverse), | 220 (*result)[i] = m_field->Multiply(errorEvaluator->EvaluateAt(xiInverse), |
221 temp); | 221 temp); |
222 } | 222 } |
223 return result.release(); | 223 return result.release(); |
224 } | 224 } |
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