本文整理汇总了C++中LinearFunctionPtr::varsEnd方法的典型用法代码示例。如果您正苦于以下问题：C++ LinearFunctionPtr::varsEnd方法的具体用法？C++ LinearFunctionPtr::varsEnd怎么用？C++ LinearFunctionPtr::varsEnd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LinearFunctionPtr的用法示例。
在下文中一共展示了LinearFunctionPtr::varsEnd方法的1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: if
void
MultilinearFormulation::makeConvexHull()
{
// First we do some processing of the instance to determine how many
// multilinear or quadratic constraints, and we store the indicies
// in the instance for later
vector<int> lcid;
vector<int> mlcid;
for(ConstConstraintIterator it = originalInstance_->consBegin();
it != originalInstance_->consEnd(); ++it) {
FunctionType ft = (*it)->getFunctionType();
if (ft == Multilinear) {
mlcid.push_back((*it)->getId());
}
else if (ft == Bilinear) {
mlcid.push_back((*it)->getId());
}
else if (ft == Linear) {
lcid.push_back((*it)->getId());
}
}
// add x variables
vector<double> lb;
vector<double> ub;
vector<VariablePtr> xvars;
int nv = 0;
for (ConstVariableIterator it = originalInstance_->varsBegin();
it != originalInstance_->varsEnd(); ++it) {
VariablePtr v = *it;
VariablePtr vnew = VariablePtr(new Variable(nv, v->getLb(), v->getUb(), v->getType()));
lb.push_back(v->getLb());
ub.push_back(v->getUb());
variableMapping_.insert(make_pair(vnew,v));
variables_.push_back(vnew);
xvars.push_back(vnew);
nv++;
}
// Add z vars
vector<VariablePtr> zvars;
for(UInt i = 0; i < mlcid.size(); i++) {
const ConstraintPtr mlc = originalInstance_->getConstraint(mlcid[i]);
VariablePtr vnew = VariablePtr(new Variable(nv,mlc->getLb(),mlc->getUb(),Continuous));
variables_.push_back(vnew);
zvars.push_back(vnew);
nv++;
}
// Enumerate all extreme points
int origNumVars = originalInstance_->getNumVars();
vector<int> S(origNumVars);
for(int i = 0; i < origNumVars; i++) {
S[i] = i;
}
vector<vector<double> > V;
allExtreme(S, lb, ub, V);
// Add lambda variables
vector<VariablePtr> lambdavars;
for(UInt i = 0; i < V.size(); i++) {
VariablePtr vnew = VariablePtr(new Variable(nv,0.0,1.0,Continuous));
variables_.push_back(vnew);
lambdavars.push_back(vnew);
nv++;
}
// Add the original linear constraints (on x)
for(int i = 0; i < lcid.size(); i++) {
const ConstraintPtr mlc = originalInstance_->getConstraint(lcid[i]);
const LinearFunctionPtr olf = mlc->getLinearFunction();
LinearFunctionPtr lf = LinearFunctionPtr(new LinearFunction());
for(ConstVariableGroupIterator it = olf->varsBegin(); it != olf->varsEnd(); ++it) {
lf->addTerm(xvars[it->first->getId()], it->second);
}
FunctionPtr f = (FunctionPtr) new Function(lf);
ConstraintPtr c = (ConstraintPtr) new Constraint(f, mlc->getLb(), mlc->getUb());
constraints_.push_back(c);
#if defined(DEBUG_CONVEX_HULL)
c->display();
#endif
}
// Write x in terms of extreme points
for(int i = 0; i < origNumVars; i++) {
LinearFunctionPtr lf = LinearFunctionPtr(new LinearFunction());
lf->addTerm(xvars[i], -1.0);
for(int j = 0; j < V.size(); j++) {
lf->addTerm(lambdavars[j], V[j][i]);
}
//lf->display();
FunctionPtr f = (FunctionPtr) new Function(lf);
ConstraintPtr c = (ConstraintPtr) new Constraint(f, 0.0, 0.0);
constraints_.push_back(c);
//.........这里部分代码省略.........