Move xfa/src up to xfa/.

xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.cpp

Index: xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.cpp
diff --git a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.cpp b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.cpp
deleted file mode 100644
index f138009ffa5f78c8474f0f3bbd809d203895fe07..0000000000000000000000000000000000000000
--- a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.cpp
+++ /dev/null
@@ -1,254 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-// Original code is licensed as follows:
-/*
- * Copyright 2007 ZXing authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h"
-
-#include <memory>
-
-#include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h"
-
-CBC_ReedSolomonGF256Poly::CBC_ReedSolomonGF256Poly(CBC_ReedSolomonGF256* field,
-                                                   int32_t coefficients) {
-  if (field == NULL) {
-    return;
-  }
-  m_field = field;
-  m_coefficients.Add(coefficients);
-}
-CBC_ReedSolomonGF256Poly::CBC_ReedSolomonGF256Poly() {
-  m_field = NULL;
-}
-void CBC_ReedSolomonGF256Poly::Init(CBC_ReedSolomonGF256* field,
-                                    CFX_Int32Array* coefficients,
-                                    int32_t& e) {
-  if (coefficients == NULL || coefficients->GetSize() == 0) {
-    e = BCExceptionCoefficientsSizeIsNull;
-    BC_EXCEPTION_CHECK_ReturnVoid(e);
-  }
-  m_field = field;
-  int32_t coefficientsLength = coefficients->GetSize();
-  if ((coefficientsLength > 1 && (*coefficients)[0] == 0)) {
-    int32_t firstNonZero = 1;
-    while ((firstNonZero < coefficientsLength) &&
-           ((*coefficients)[firstNonZero] == 0)) {
-      firstNonZero++;
-    }
-    if (firstNonZero == coefficientsLength) {
-      m_coefficients.Copy(*(m_field->GetZero()->GetCoefficients()));
-    } else {
-      m_coefficients.SetSize(coefficientsLength - firstNonZero);
-      for (int32_t i = firstNonZero, j = 0; i < coefficientsLength; i++, j++) {
-        m_coefficients[j] = coefficients->operator[](i);
-      }
-    }
-  } else {
-    m_coefficients.Copy(*coefficients);
-  }
-}
-CFX_Int32Array* CBC_ReedSolomonGF256Poly::GetCoefficients() {
-  return &m_coefficients;
-}
-int32_t CBC_ReedSolomonGF256Poly::GetDegree() {
-  return m_coefficients.GetSize() - 1;
-}
-FX_BOOL CBC_ReedSolomonGF256Poly::IsZero() {
-  return m_coefficients[0] == 0;
-}
-int32_t CBC_ReedSolomonGF256Poly::GetCoefficients(int32_t degree) {
-  return m_coefficients[m_coefficients.GetSize() - 1 - degree];
-}
-int32_t CBC_ReedSolomonGF256Poly::EvaluateAt(int32_t a) {
-  if (a == 0) {
-    return GetCoefficients(0);
-  }
-  int32_t size = m_coefficients.GetSize();
-  if (a == 1) {
-    int32_t result = 0;
-    for (int32_t i = 0; i < size; i++) {
-      result = CBC_ReedSolomonGF256::AddOrSubtract(result, m_coefficients[i]);
-    }
-    return result;
-  }
-  int32_t result = m_coefficients[0];
-  for (int32_t j = 1; j < size; j++) {
-    result = CBC_ReedSolomonGF256::AddOrSubtract(m_field->Multiply(a, result),
-                                                 m_coefficients[j]);
-  }
-  return result;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::Clone(int32_t& e) {
-  CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
-  temp->Init(m_field, &m_coefficients, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-  return temp;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::AddOrSubtract(
-    CBC_ReedSolomonGF256Poly* other,
-    int32_t& e) {
-  if (IsZero()) {
-    return other->Clone(e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-  }
-  if (other->IsZero()) {
-    return Clone(e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-  }
-  CFX_Int32Array smallerCoefficients;
-  smallerCoefficients.Copy(m_coefficients);
-  CFX_Int32Array largerCoefficients;
-  largerCoefficients.Copy(*(other->GetCoefficients()));
-  if (smallerCoefficients.GetSize() > largerCoefficients.GetSize()) {
-    CFX_Int32Array temp;
-    temp.Copy(smallerCoefficients);
-    smallerCoefficients.Copy(largerCoefficients);
-    largerCoefficients.Copy(temp);
-  }
-  CFX_Int32Array sumDiff;
-  sumDiff.SetSize(largerCoefficients.GetSize());
-  int32_t lengthDiff =
-      largerCoefficients.GetSize() - smallerCoefficients.GetSize();
-  for (int32_t i = 0; i < lengthDiff; i++) {
-    sumDiff[i] = largerCoefficients[i];
-  }
-  for (int32_t j = lengthDiff; j < largerCoefficients.GetSize(); j++) {
-    sumDiff[j] = (CBC_ReedSolomonGF256::AddOrSubtract(
-        smallerCoefficients[j - lengthDiff], largerCoefficients[j]));
-  }
-  CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
-  temp->Init(m_field, &sumDiff, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-  return temp;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::Multiply(
-    CBC_ReedSolomonGF256Poly* other,
-    int32_t& e) {
-  if (IsZero() || other->IsZero()) {
-    CBC_ReedSolomonGF256Poly* temp = m_field->GetZero()->Clone(e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    return temp;
-  }
-  CFX_Int32Array aCoefficients;
-  aCoefficients.Copy(m_coefficients);
-  int32_t aLength = m_coefficients.GetSize();
-  CFX_Int32Array bCoefficients;
-  bCoefficients.Copy(*(other->GetCoefficients()));
-  int32_t bLength = other->GetCoefficients()->GetSize();
-  CFX_Int32Array product;
-  product.SetSize(aLength + bLength - 1);
-  for (int32_t i = 0; i < aLength; i++) {
-    int32_t aCoeff = m_coefficients[i];
-    for (int32_t j = 0; j < bLength; j++) {
-      product[i + j] = CBC_ReedSolomonGF256::AddOrSubtract(
-          product[i + j],
-          m_field->Multiply(aCoeff, other->GetCoefficients()->operator[](j)));
-    }
-  }
-  CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
-  temp->Init(m_field, &product, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-  return temp;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::Multiply(int32_t scalar,
-                                                             int32_t& e) {
-  if (scalar == 0) {
-    CBC_ReedSolomonGF256Poly* temp = m_field->GetZero()->Clone(e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    return temp;
-  }
-  if (scalar == 1) {
-    return Clone(e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-  }
-  int32_t size = m_coefficients.GetSize();
-  CFX_Int32Array product;
-  product.SetSize(size);
-  for (int32_t i = 0; i < size; i++) {
-    product[i] = m_field->Multiply(m_coefficients[i], scalar);
-  }
-  CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
-  temp->Init(m_field, &product, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-  return temp;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::MultiplyByMonomial(
-    int32_t degree,
-    int32_t coefficient,
-    int32_t& e) {
-  if (degree < 0) {
-    e = BCExceptionDegreeIsNegative;
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-  }
-  if (coefficient == 0) {
-    CBC_ReedSolomonGF256Poly* temp = m_field->GetZero()->Clone(e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    return temp;
-  }
-  int32_t size = m_coefficients.GetSize();
-  CFX_Int32Array product;
-  product.SetSize(size + degree);
-  for (int32_t i = 0; i < size; i++) {
-    product[i] = (m_field->Multiply(m_coefficients[i], coefficient));
-  }
-  CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
-  temp->Init(m_field, &product, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-  return temp;
-}
-CFX_PtrArray* CBC_ReedSolomonGF256Poly::Divide(CBC_ReedSolomonGF256Poly* other,
-                                               int32_t& e) {
-  if (other->IsZero()) {
-    e = BCExceptionDivideByZero;
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-  }
-  std::unique_ptr<CBC_ReedSolomonGF256Poly> quotient(
-      m_field->GetZero()->Clone(e));
-  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-  std::unique_ptr<CBC_ReedSolomonGF256Poly> remainder(Clone(e));
-  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-  int32_t denominatorLeadingTerm = other->GetCoefficients(other->GetDegree());
-  int32_t inverseDenominatorLeadingTeam =
-      m_field->Inverse(denominatorLeadingTerm, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-  while (remainder->GetDegree() >= other->GetDegree() && !remainder->IsZero()) {
-    int32_t degreeDifference = remainder->GetDegree() - other->GetDegree();
-    int32_t scale =
-        m_field->Multiply(remainder->GetCoefficients((remainder->GetDegree())),
-                          inverseDenominatorLeadingTeam);
-    std::unique_ptr<CBC_ReedSolomonGF256Poly> term(
-        other->MultiplyByMonomial(degreeDifference, scale, e));
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    std::unique_ptr<CBC_ReedSolomonGF256Poly> iteratorQuotient(
-        m_field->BuildMonomial(degreeDifference, scale, e));
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    quotient.reset(quotient->AddOrSubtract(iteratorQuotient.get(), e));
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    remainder.reset(remainder->AddOrSubtract(term.get(), e));
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-  }
-  CFX_PtrArray* tempPtrA = new CFX_PtrArray;
-  tempPtrA->Add(quotient.release());
-  tempPtrA->Add(remainder.release());
-  return tempPtrA;
-}
-CBC_ReedSolomonGF256Poly::~CBC_ReedSolomonGF256Poly() {
-  m_coefficients.RemoveAll();
-}