summaryrefslogtreecommitdiff
path: root/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp')
-rw-r--r--xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp46
1 files changed, 23 insertions, 23 deletions
diff --git a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp
index 3cb5e7762f..f0e87b8e40 100644
--- a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp
+++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp
@@ -31,7 +31,7 @@ CBC_ReedSolomonDecoder::CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256* field)
CBC_ReedSolomonDecoder::~CBC_ReedSolomonDecoder()
{
}
-void CBC_ReedSolomonDecoder::Decode(CFX_Int32Array* received, FX_INT32 twoS, FX_INT32 &e)
+void CBC_ReedSolomonDecoder::Decode(CFX_Int32Array* received, int32_t twoS, int32_t &e)
{
CBC_ReedSolomonGF256Poly poly;
poly.Init(m_field, received, e);
@@ -40,8 +40,8 @@ void CBC_ReedSolomonDecoder::Decode(CFX_Int32Array* received, FX_INT32 twoS, FX_
syndromeCoefficients.SetSize(twoS);
FX_BOOL dataMatrix = FALSE;
FX_BOOL noError = TRUE;
- for (FX_INT32 i = 0; i < twoS; i++) {
- FX_INT32 eval = poly.EvaluateAt(m_field->Exp(dataMatrix ? i + 1 : i));
+ for (int32_t i = 0; i < twoS; i++) {
+ int32_t eval = poly.EvaluateAt(m_field->Exp(dataMatrix ? i + 1 : i));
syndromeCoefficients[twoS - 1 - i] = eval;
if (eval != 0) {
noError = FALSE;
@@ -67,8 +67,8 @@ void CBC_ReedSolomonDecoder::Decode(CFX_Int32Array* received, FX_INT32 twoS, FX_
CFX_Int32Array* ia2 = FindErrorMagnitudes(omega.get(), errorLocations.get(), dataMatrix, e);
BC_EXCEPTION_CHECK_ReturnVoid(e);
CBC_AutoPtr<CFX_Int32Array > errorMagnitudes(ia2);
- for (FX_INT32 k = 0; k < errorLocations->GetSize(); k++) {
- FX_INT32 position = received->GetSize() - 1 - m_field->Log((*errorLocations)[k], e);
+ for (int32_t k = 0; k < errorLocations->GetSize(); k++) {
+ int32_t position = received->GetSize() - 1 - m_field->Log((*errorLocations)[k], e);
BC_EXCEPTION_CHECK_ReturnVoid(e);
if(position < 0) {
e = BCExceptionBadErrorLocation;
@@ -77,7 +77,7 @@ void CBC_ReedSolomonDecoder::Decode(CFX_Int32Array* received, FX_INT32 twoS, FX_
(*received)[position] = CBC_ReedSolomonGF256::AddOrSubtract((*received)[position], (*errorMagnitudes)[k]);
}
}
-CFX_PtrArray *CBC_ReedSolomonDecoder::RunEuclideanAlgorithm(CBC_ReedSolomonGF256Poly* a, CBC_ReedSolomonGF256Poly* b, FX_INT32 R, FX_INT32 &e)
+CFX_PtrArray *CBC_ReedSolomonDecoder::RunEuclideanAlgorithm(CBC_ReedSolomonGF256Poly* a, CBC_ReedSolomonGF256Poly* b, int32_t R, int32_t &e)
{
if (a->GetDegree() < b->GetDegree()) {
CBC_ReedSolomonGF256Poly* temp = a;
@@ -120,12 +120,12 @@ CFX_PtrArray *CBC_ReedSolomonDecoder::RunEuclideanAlgorithm(CBC_ReedSolomonGF256
CBC_ReedSolomonGF256Poly* rsg8 = m_field->GetZero()->Clone(e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
CBC_AutoPtr<CBC_ReedSolomonGF256Poly> q(rsg8);
- FX_INT32 denominatorLeadingTerm = rLast->GetCoefficients(rLast->GetDegree());
- FX_INT32 dltInverse = m_field->Inverse(denominatorLeadingTerm, e);
+ int32_t denominatorLeadingTerm = rLast->GetCoefficients(rLast->GetDegree());
+ int32_t dltInverse = m_field->Inverse(denominatorLeadingTerm, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
while (r->GetDegree() >= rLast->GetDegree() && !(r->IsZero())) {
- FX_INT32 degreeDiff = r->GetDegree() - rLast->GetDegree();
- FX_INT32 scale = m_field->Multiply(r->GetCoefficients(r->GetDegree()), dltInverse);
+ int32_t degreeDiff = r->GetDegree() - rLast->GetDegree();
+ int32_t scale = m_field->Multiply(r->GetCoefficients(r->GetDegree()), dltInverse);
CBC_ReedSolomonGF256Poly* rsgp1 = m_field->BuildMonomial(degreeDiff, scale, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
CBC_AutoPtr<CBC_ReedSolomonGF256Poly> build(rsgp1);
@@ -156,12 +156,12 @@ CFX_PtrArray *CBC_ReedSolomonDecoder::RunEuclideanAlgorithm(CBC_ReedSolomonGF256
CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp6(rsg12);
t = temp6;
}
- FX_INT32 sigmaTildeAtZero = t->GetCoefficients(0);
+ int32_t sigmaTildeAtZero = t->GetCoefficients(0);
if (sigmaTildeAtZero == 0) {
e = BCExceptionIsZero;
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
}
- FX_INT32 inverse = m_field->Inverse(sigmaTildeAtZero, e);
+ int32_t inverse = m_field->Inverse(sigmaTildeAtZero, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
CBC_ReedSolomonGF256Poly* rsg13 = t->Multiply(inverse, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
@@ -174,9 +174,9 @@ CFX_PtrArray *CBC_ReedSolomonDecoder::RunEuclideanAlgorithm(CBC_ReedSolomonGF256
temp->Add(omega.release());
return temp;
}
-CFX_Int32Array *CBC_ReedSolomonDecoder::FindErrorLocations(CBC_ReedSolomonGF256Poly* errorLocator, FX_INT32 &e)
+CFX_Int32Array *CBC_ReedSolomonDecoder::FindErrorLocations(CBC_ReedSolomonGF256Poly* errorLocator, int32_t &e)
{
- FX_INT32 numErrors = errorLocator->GetDegree();
+ int32_t numErrors = errorLocator->GetDegree();
if (numErrors == 1) {
CBC_AutoPtr<CFX_Int32Array > temp(FX_NEW CFX_Int32Array);
temp->Add(errorLocator->GetCoefficients(1));
@@ -185,8 +185,8 @@ CFX_Int32Array *CBC_ReedSolomonDecoder::FindErrorLocations(CBC_ReedSolomonGF256P
CFX_Int32Array *tempT = FX_NEW CFX_Int32Array;
tempT->SetSize(numErrors);
CBC_AutoPtr<CFX_Int32Array > result(tempT);
- FX_INT32 ie = 0;
- for (FX_INT32 i = 1; i < 256 && ie < numErrors; i++) {
+ int32_t ie = 0;
+ for (int32_t i = 1; i < 256 && ie < numErrors; i++) {
if(errorLocator->EvaluateAt(i) == 0) {
(*result)[ie] = m_field->Inverse(i, ie);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
@@ -199,23 +199,23 @@ CFX_Int32Array *CBC_ReedSolomonDecoder::FindErrorLocations(CBC_ReedSolomonGF256P
}
return result.release();
}
-CFX_Int32Array *CBC_ReedSolomonDecoder::FindErrorMagnitudes(CBC_ReedSolomonGF256Poly* errorEvaluator, CFX_Int32Array* errorLocations, FX_BOOL dataMatrix, FX_INT32 &e)
+CFX_Int32Array *CBC_ReedSolomonDecoder::FindErrorMagnitudes(CBC_ReedSolomonGF256Poly* errorEvaluator, CFX_Int32Array* errorLocations, FX_BOOL dataMatrix, int32_t &e)
{
- FX_INT32 s = errorLocations->GetSize();
+ int32_t s = errorLocations->GetSize();
CFX_Int32Array * temp = FX_NEW CFX_Int32Array;
temp->SetSize(s);
CBC_AutoPtr<CFX_Int32Array > result(temp);
- for (FX_INT32 i = 0; i < s; i++) {
- FX_INT32 xiInverse = m_field->Inverse(errorLocations->operator [](i), e);
+ for (int32_t i = 0; i < s; i++) {
+ int32_t xiInverse = m_field->Inverse(errorLocations->operator [](i), e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- FX_INT32 denominator = 1;
- for(FX_INT32 j = 0; j < s; j++) {
+ int32_t denominator = 1;
+ for(int32_t j = 0; j < s; j++) {
if(i != j) {
denominator = m_field->Multiply(denominator,
CBC_ReedSolomonGF256::AddOrSubtract(1, m_field->Multiply(errorLocations->operator [](j), xiInverse)));
}
}
- FX_INT32 temp = m_field->Inverse(denominator, temp);
+ int32_t temp = m_field->Inverse(denominator, temp);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
(*result)[i] = m_field->Multiply(errorEvaluator->EvaluateAt(xiInverse),
temp);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 14:30:29 +0000