本文整理汇总了C++中Scalar类的典型用法代码示例。如果您正苦于以下问题：C++ Scalar类的具体用法？C++ Scalar怎么用？C++ Scalar使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了Scalar类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: cvtColor
void Feature::calcColorFeature()
{
// TODO: optimize this part, reduce extra work
Mat hsv;
cvtColor(mROI, hsv, CV_BGR2HSV_FULL);
Mat temp(mROI.size(), CV_8UC3), mixed;
Mat src[] = { mROI, mGray, hsv };
int fromTo[] = { 2,0, 3,1, 5,2 };
mixChannels(src, 3, &temp, 1, fromTo, 3);
temp.convertTo(mixed, CV_64F);
Scalar avg, stdDev;
meanStdDev(mixed, avg, stdDev, mMask);
Scalar var = stdDev.mul(stdDev);
Mat temp1 = mixed - avg;
Mat temp2 = temp1.mul(temp1);
Scalar sk = mean(temp1.mul(temp2), mMask) / (var.mul(stdDev));
Scalar ku = mean(temp2.mul(temp2), mMask) / (var.mul(var));
Scalar stat[] = { avg, stdDev, sk, ku };
for (int i = 0; i < 4; i++) {
red[i] = stat[i][0];
gray[i] = stat[i][1];
saturation[i] = stat[i][2];
}
}
开发者ID:nikola1234，项目名称:analyzeServer，代码行数:28，代码来源:FeatureAnalyzer.cpp
示例2: WriteMemory
void
IRMemoryMap::WriteScalarToMemory (lldb::addr_t process_address, Scalar &scalar, size_t size, Error &error)
{
error.Clear();
if (size == UINT32_MAX)
size = scalar.GetByteSize();
if (size > 0)
{
uint8_t buf[32];
const size_t mem_size = scalar.GetAsMemoryData (buf, size, GetByteOrder(), error);
if (mem_size > 0)
{
return WriteMemory(process_address, buf, mem_size, error);
}
else
{
error.SetErrorToGenericError();
error.SetErrorString ("Couldn't write scalar: failed to get scalar as memory data");
}
}
else
{
error.SetErrorToGenericError();
error.SetErrorString ("Couldn't write scalar: its size was zero");
}
return;
}
开发者ID:Jean-Daniel，项目名称:lldb，代码行数:29，代码来源:IRMemoryMap.cpp
示例3: addScalar
void TimeAnalysisWidget::on_applyButton_clicked()
{
bool low = _ui->lowRadioButton->isChecked();
int numClusters = _ui->numClustersSpin->value();
std::vector<Point*> &points = low?_lowPoints.data():_highPoints.data();
std::vector<Point> centers;
std::vector<int> assignment;
PointClusterer::kmeans(PointClusterer::RANDOM,numClusters,
PointClusterer::EUCLIDEAN,
points, 10, centers, assignment);
std::ostringstream ss;
ss << "K-means " << numClusters << (low?" [low]":" [high]");
Scalar *scalar = addScalar(ss.str());
// create labels
scalar->labels().clear();
for (unsigned i=0; i<centers.size(); ++i) {
ss.str("");
ss << "Cluster [" << i << "]";
scalar->labels().push_back(ss.str());
}
// assigne scalar values to points
for (unsigned i=0; i<assignment.size(); ++i) {
Point *p = _lowPoints.data()[i];
p->setScalarValue(scalar, assignment[i]);
}
// refill combox
fillScalarComboBox();
_ui->colorByComboBox->setCurrentIndex(scalar->index());
}
开发者ID:Rambo2015，项目名称:TaxiVis，代码行数:34，代码来源:timeanalysiswidget.cpp
示例4: TEST
TEST(ScalarTest, Division) {
Scalar lhs(5.0);
Scalar rhs(2.0);
Scalar r = lhs / rhs;
EXPECT_TRUE(r.IsValid());
EXPECT_EQ(r, Scalar(2.5));
}
开发者ID:llvm-project，项目名称:lldb，代码行数:7，代码来源:ScalarTest.cpp
示例5: exe_ctx
virtual bool
Execute
(
Args& command,
CommandReturnObject &result
)
{
DataExtractor reg_data;
ExecutionContext exe_ctx(m_interpreter.GetDebugger().GetExecutionContext());
RegisterContext *reg_context = exe_ctx.GetRegisterContext ();
if (reg_context)
{
if (command.GetArgumentCount() != 2)
{
result.AppendError ("register write takes exactly 2 arguments: <reg-name> <value>");
result.SetStatus (eReturnStatusFailed);
}
else
{
const char *reg_name = command.GetArgumentAtIndex(0);
const char *value_str = command.GetArgumentAtIndex(1);
const RegisterInfo *reg_info = reg_context->GetRegisterInfoByName(reg_name);
if (reg_info)
{
Scalar scalar;
Error error(scalar.SetValueFromCString (value_str, reg_info->encoding, reg_info->byte_size));
if (error.Success())
{
if (reg_context->WriteRegisterValue(reg_info->kinds[eRegisterKindLLDB], scalar))
{
result.SetStatus (eReturnStatusSuccessFinishNoResult);
return true;
}
}
else
{
result.AppendErrorWithFormat ("Failed to write register '%s' with value '%s': %s\n",
reg_name,
value_str,
error.AsCString());
result.SetStatus (eReturnStatusFailed);
}
}
else
{
result.AppendErrorWithFormat ("Register not found for '%s'.\n", reg_name);
result.SetStatus (eReturnStatusFailed);
}
}
}
else
{
result.AppendError ("no current frame");
result.SetStatus (eReturnStatusFailed);
}
return result.Succeeded();
}
开发者ID:eightcien，项目名称:lldb，代码行数:59，代码来源:CommandObjectRegister.cpp
示例6: Cast_
template <typename Int> inline
float Cast_( const Scalar<Int>& s, ScalarType<float,Int> )
{
switch ( s.Type() ) {
default: TypeCastError( s.Type(), SINGLE );
case SINGLE: return s.template Get_<float>();
}
}
开发者ID:mcg1969，项目名称:Elemental，代码行数:8，代码来源:scalar_impl.hpp
示例7: Equal
bool Scalar::Equal( Scalar& a, Scalar& b )
{
if( a.Type() != b.Type() )
return false;
DataType* pA = a.Get();
DataType* pB = b.Get();
return DataType::Equal( pA, pB );
}
开发者ID:Axitonium，项目名称:SourceEngine2007，代码行数:10，代码来源:Value.cpp
示例8:
void
IM::multiply_assign (const Scalar& s, const Unit& u)
{
daisy_assert (unit_);
for (std::map<symbol, double>::iterator i = content.begin ();
i != content.end ();
i++)
(*i).second = Units::multiply (*unit_, s.unit (),
(*i).second * s.value (), u);
unit_ = &u;
}
开发者ID:pamoakoy，项目名称:daisy-model，代码行数:11，代码来源:im.C
示例9: value_sp
uint64_t
SBValue::GetValueAsUnsigned(uint64_t fail_value)
{
ValueLocker locker;
lldb::ValueObjectSP value_sp(GetSP(locker));
if (value_sp)
{
Scalar scalar;
if (value_sp->ResolveValue (scalar))
return scalar.ULongLong(fail_value);
}
return fail_value;
}
开发者ID:ChaosJohn，项目名称:freebsd，代码行数:13，代码来源:SBValue.cpp
示例10: dolfin_error
//-----------------------------------------------------------------------------
double dolfin::assemble(const Form& a)
{
if (a.rank() != 0)
{
dolfin_error("assemble.cpp",
"assemble form",
"Expecting a scalar form but rank is %d",
a.rank());
}
Scalar s;
Assembler assembler;
assembler.assemble(s, a);
return s.get_scalar_value();
}
开发者ID:WeilinDeng，项目名称:dolfin，代码行数:16，代码来源:assemble.cpp
示例11: api_locker
uint64_t
SBValue::GetValueAsUnsigned(uint64_t fail_value)
{
if (m_opaque_sp)
{
if (m_opaque_sp->GetUpdatePoint().GetTargetSP())
{
Mutex::Locker api_locker (m_opaque_sp->GetUpdatePoint().GetTargetSP()->GetAPIMutex());
Scalar scalar;
if (m_opaque_sp->ResolveValue (scalar))
return scalar.GetRawBits64(fail_value);
}
}
return fail_value;
}
开发者ID:markpeek，项目名称:lldb，代码行数:15，代码来源:SBValue.cpp
示例12: ReadIntegerArgument
static bool ReadIntegerArgument(Scalar &scalar, unsigned int bit_width,
bool is_signed, Thread &thread,
uint32_t *argument_register_ids,
unsigned int ¤t_argument_register,
addr_t ¤t_stack_argument) {
if (bit_width > 64)
return false; // Scalar can't hold large integer arguments
if (current_argument_register < 6) {
scalar = thread.GetRegisterContext()->ReadRegisterAsUnsigned(
argument_register_ids[current_argument_register], 0);
current_argument_register++;
if (is_signed)
scalar.SignExtend(bit_width);
} else {
uint32_t byte_size = (bit_width + (8 - 1)) / 8;
Status error;
if (thread.GetProcess()->ReadScalarIntegerFromMemory(
current_stack_argument, byte_size, is_signed, scalar, error)) {
current_stack_argument += byte_size;
return true;
}
return false;
}
return true;
}
开发者ID:derekmarcotte，项目名称:freebsd，代码行数:26，代码来源:ABISysV_ppc64.cpp
示例13: AssignSum
bool Multivector::AssignSum( const Multivector& multivectorA, const Multivector& multivectorB )
{
if( this == &multivectorA && this == &multivectorB )
{
Scalar scalarTwo;
if( !scalarTwo.Assign( 2.0 ) )
return false;
if( !AssignScalarProduct( scalarTwo, *this ) )
return false;
return true;
}
bool accumulateA = true;
bool accumulateB = true;
if( this == &multivectorA )
accumulateA = false;
else if( this == &multivectorB )
accumulateB = false;
else
sumOfTerms.RemoveAll();
if( accumulateA )
{
for( const SumOfTerms::Node* node = multivectorA.sumOfTerms.Head(); node; node = node->Next() )
{
const Term* term = node->data;
sumOfTerms.InsertAfter()->data = term->Clone();
}
}
if( accumulateB )
{
for( const SumOfTerms::Node* node = multivectorB.sumOfTerms.Head(); node; node = node->Next() )
{
const Term* term = node->data;
sumOfTerms.InsertAfter()->data = term->Clone();
}
}
if( !CollectTerms( Term::OUTER_PRODUCT ) )
return false;
return true;
}
开发者ID:mapleyustat，项目名称:GACompute，代码行数:47，代码来源:Multivector.cpp
示例14: Scalar
Scalar *TimeAnalysisWidget::addScalar( std::string name ) {
int index = -1;
for ( unsigned i = 0; i < _scalars.size(); ++i )
if ( _scalars[i]->name() == name ) {
index = i;
break;
}
if ( index == -1 ) {
Scalar *scalar = new Scalar( name );
scalar->setIndex(_scalars.size());
_scalars.push_back( scalar );
return scalar;
} else {
return _scalars[index];
}
}
开发者ID:Rambo2015，项目名称:TaxiVis，代码行数:17，代码来源:timeanalysiswidget.cpp
示例15: AssignInnerProduct
bool Multivector::AssignInnerProduct( const Multivector& multivectorA, const Multivector& multivectorB )
{
if( multivectorA.CountProductTypes( Term::GEOMETRIC_PRODUCT ) > 0 )
if( !const_cast< Multivector* >( &multivectorA )->CollectTerms( Term::OUTER_PRODUCT ) )
return false;
if( multivectorB.CountProductTypes( Term::GEOMETRIC_PRODUCT ) > 0 )
if( !const_cast< Multivector* >( &multivectorB )->CollectTerms( Term::OUTER_PRODUCT ) )
return false;
Multivector* multivectorResult = this;
Multivector multivectorStorage;
if( this == &multivectorA || this == &multivectorB )
multivectorResult = &multivectorStorage;
for( const SumOfTerms::Node* nodeA = multivectorA.sumOfTerms.Head(); nodeA; nodeA = nodeA->Next() )
{
const Term* termA = nodeA->data;
for( const SumOfTerms::Node* nodeB = multivectorB.sumOfTerms.Head(); nodeB; nodeB = nodeB->Next() )
{
const Term* termB = nodeB->data;
Multivector innerProductMultivector;
if( !termA->InnerProductMultiply( termB, innerProductMultivector ) )
return false;
Scalar scalar;
if( !scalar.AssignProduct( *termA->coeficient, *termB->coeficient ) )
return false;
if( !innerProductMultivector.AssignScalarProduct( scalar, innerProductMultivector ) )
return false;
multivectorResult->sumOfTerms.Absorb( &innerProductMultivector.sumOfTerms );
}
}
if( multivectorResult == &multivectorStorage )
return Assign( multivectorStorage );
return true;
}
开发者ID:mapleyustat，项目名称:GACompute，代码行数:44，代码来源:Multivector.cpp
示例16: read_label
void read_label (const std::string& path, VertexList& vertices, Scalar& scalar)
{
vertices.clear();
scalar.resize(0);
std::ifstream in (path.c_str(), std::ios_base::in);
if (!in)
throw Exception ("Error opening input file!");
std::string line;
std::getline (in, line);
if (line.substr(0, 13) != "#!ascii label")
throw Exception ("Error parsing FreeSurfer label file \"" + Path::basename (path) + "\": Bad first line identifier");
std::getline (in, line);
uint32_t num_vertices = 0;
try {
num_vertices = to<size_t> (line);
} catch (Exception& e) {
throw Exception (e, "Error parsing FreeSurfer label file \"" + Path::basename (path) + "\": Bad second line vertex count");
}
for (size_t i = 0; i != num_vertices; ++i) {
std::getline (in, line);
uint32_t index = std::numeric_limits<uint32_t>::max();
default_type x = NaN, y = NaN, z = NaN, value = NaN;
sscanf (line.c_str(), "%u %lf %lf %lf %lf", &index, &x, &y, &z, &value);
if (index == std::numeric_limits<uint32_t>::max())
throw Exception ("Error parsing FreeSurfer label file \"" + Path::basename (path) + "\": Malformed line");
if (index >= scalar.size()) {
scalar.conservativeResizeLike (Scalar::Base::Constant (index+1, NaN));
vertices.resize (index+1, Vertex (NaN, NaN, NaN));
}
if (std::isfinite (scalar[index]))
throw Exception ("Error parsing FreeSurfer label file \"" + Path::basename (path) + "\": Duplicated index (" + str(scalar[index]) + ")");
scalar[index] = value;
vertices[index] = Vertex (x, y, z);
}
if (!in.good())
throw Exception ("Error parsing FreeSurfer label file \"" + Path::basename (path) + "\": End of file reached");
scalar.set_name (path);
}
开发者ID:MRtrix3，项目名称:mrtrix3，代码行数:42，代码来源:freesurfer.cpp
示例17: AssignInverse
//=========================================================================================
bool Matrix::AssignInverse( const Matrix& matrix, InverseType inverseType, InverseResult& inverseResult )
{
// TODO: Calculate left and right inverse matrices for non-square matrices.
inverseResult = NONSINGULAR_MATRIX;
Scalar scalar;
if( !matrix.AssignDeterminantTo( scalar ) )
return false;
if( scalar == 0.0 )
{
inverseResult = SINGULAR_MATRIX;
return true;
}
if( !scalar.Invert() )
return false;
if( matrix.rows == 1 && matrix.cols == 1 )
{
if( !AssignDimensions( 1, 1 ) )
return false;
if( !AssignScalarFrom( 0, 0, scalar ) )
return false;
}
else if( matrix.rows == matrix.cols )
{
if( !AssignAdjugate( matrix ) )
return false;
if( !Scale( scalar ) )
return false;
}
else if( matrix.rows > matrix.cols )
return false; // TODO: Deal with this case.
else if( matrix.rows < matrix.cols )
return false; // TODO: Deal with this case.
return true;
}
开发者ID:mapleyustat，项目名称:CalcLib，代码行数:43，代码来源:Matrix.cpp
示例18: at
T3::Scalar T3::Axisymmetric::Lap(const T3::Scalar& x) const {
Scalar dx;
dx += at(0).two(x);
Field dux = at(1).two(x);
PFOR(i,x.N[0]) FOR(j,x.N[1]) dux(i,j,0) /= at(0)(i)*at(0)(i);
dx += dux;
dux = at(0)(x);
PFOR(i,x.N[0]) FOR(j,x.N[1]) dux(i,j,0) /= at(0)(i)/2;
dx += dux;
dux = at(1)(x);
PFOR(i,x.N[0]) FOR(j,x.N[1]) dux(i,j,0) /= at(0)(i)*at(0)(i)*sin(at(1)(j))/cos(at(1)(j));
dx += dux;
dx.parent = parent;
dx.fix();
return dx;
}
开发者ID:mbarriault，项目名称:T3nsors，代码行数:20，代码来源:Axisymmetric.cpp
示例19: AssignProduct
bool Scalar::AssignProduct( const Scalar& scalarA, const Scalar& scalarB )
{
Scalar* scalarResult = this;
Scalar scalarStorage;
if( this == &scalarA || this == &scalarB )
scalarResult = &scalarStorage;
scalarResult->sumOfTermsNumerator.RemoveAll();
Multiply( scalarResult->sumOfTermsNumerator, scalarA.sumOfTermsNumerator, scalarB.sumOfTermsNumerator );
scalarResult->sumOfTermsDenominator.RemoveAll();
Multiply( scalarResult->sumOfTermsDenominator, scalarA.sumOfTermsDenominator, scalarB.sumOfTermsDenominator );
scalarResult->CollectTerms();
if( scalarResult == &scalarStorage )
return Assign( scalarStorage );
return true;
}
开发者ID:mapleyustat，项目名称:GACompute，代码行数:21，代码来源:Scalar.cpp
示例20: binarySOpCn_
template<class Op> static void
binarySOpCn_( const Mat& srcmat, Mat& dstmat, const Scalar& _scalar )
{
Op op;
typedef typename Op::type1 T;
typedef typename Op::type2 WT;
typedef typename Op::rtype DT;
const T* src0 = (const T*)srcmat.data;
DT* dst0 = (DT*)dstmat.data;
size_t step1 = srcmat.step/sizeof(src0[0]);
size_t step = dstmat.step/sizeof(dst0[0]);
int cn = dstmat.channels();
Size size = getContinuousSize( srcmat, dstmat, cn );
WT scalar[12];
_scalar.convertTo(scalar, cn, 12);
for( ; size.height--; src0 += step1, dst0 += step )
{
int i, len = size.width;
const T* src = src0;
T* dst = dst0;
for( ; (len -= 12) >= 0; dst += 12, src += 12 )
{
DT t0 = op(src[0], scalar[0]);
DT t1 = op(src[1], scalar[1]);
dst[0] = t0; dst[1] = t1;
t0 = op(src[2], scalar[2]);
t1 = op(src[3], scalar[3]);
dst[2] = t0; dst[3] = t1;
t0 = op(src[4], scalar[4]);
t1 = op(src[5], scalar[5]);
dst[4] = t0; dst[5] = t1;
t0 = op(src[6], scalar[6]);
t1 = op(src[7], scalar[7]);
dst[6] = t0; dst[7] = t1;
t0 = op(src[8], scalar[8]);
t1 = op(src[9], scalar[9]);
dst[8] = t0; dst[9] = t1;
t0 = op(src[10], scalar[10]);
t1 = op(src[11], scalar[11]);
dst[10] = t0; dst[11] = t1;
}
for( (len) += 12, i = 0; i < (len); i++ )
dst[i] = op((WT)src[i], scalar[i]);
}
}
开发者ID:NaterGator，项目名称:AndroidOpenCV_mods，代码行数:53，代码来源:precomp.hpp
注：本文中的Scalar类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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