本文整理汇总了C++中nox::abstract::Group::isF方法的典型用法代码示例。如果您正苦于以下问题：C++ Group::isF方法的具体用法？C++ Group::isF怎么用？C++ Group::isF使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类nox::abstract::Group的用法示例。
在下文中一共展示了Group::isF方法的3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，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: switch
double NOX::StatusTest::NormF::computeNorm(const NOX::Abstract::Group& grp)
{
if (!grp.isF())
return -1.0;
double norm;
int n = grp.getX().length();
switch (normType)
{
case NOX::Abstract::Vector::TwoNorm:
norm = grp.getNormF();
if (scaleType == Scaled)
norm /= sqrt(1.0 * n);
break;
default:
norm = grp.getF().norm(normType);
if (scaleType == Scaled)
norm /= n;
break;
}
return norm;
}示例2:
void NOX::MeritFunction::SumOfSquares::
computeGradient(const NOX::Abstract::Group& grp,
NOX::Abstract::Vector& result) const
{
if ( !(grp.isF()) ) {
utils->err()
<< "ERROR: NOX::MeritFunction::SumOfSquares::computeGradient() - "
<< "F has not been computed yet!. Please call "
<< "computeF() on the group passed into this function."
<< std::endl;
throw "NOX Error";
}
if ( !(grp.isJacobian()) ) {
utils->err()
<< "ERROR: NOX::MeritFunction::SumOfSquares::computeGradient() - "
<< "Jacobian has not been computed yet!. Please call "
<< "computeJacobian() on the group passed into this function."
<< std::endl;
throw "NOX Error";
}
NOX::Abstract::Group::ReturnType status =
grp.applyJacobianTranspose(grp.getF(), result);
if (status != NOX::Abstract::Group::Ok) {
utils->err() << "ERROR: NOX::MeritFunction::SumOfSquares::compute"
<< "Gradient - applyJacobianTranspose failed!" << std::endl;
throw "NOX Error";
}
return;
}示例3: return
double NOX::MeritFunction::SumOfSquares::
computef(const NOX::Abstract::Group& grp) const
{
if ( !(grp.isF()) ) {
utils->err()
<< "ERROR: NOX::MeritFunction::SumOfSquares::computef() - "
<< "F has not been computed yet!. Please call "
<< "computeF() on the group passed into this function."
<< std::endl;
throw "NOX Error";
}
return (0.5 * grp.getNormF() * grp.getNormF());
}