本文整理汇总了C++中OsiRowCut::setGloballyValid方法的典型用法代码示例。如果您正苦于以下问题：C++ OsiRowCut::setGloballyValid方法的具体用法？C++ OsiRowCut::setGloballyValid怎么用？C++ OsiRowCut::setGloballyValid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OsiRowCut的用法示例。
在下文中一共展示了OsiRowCut::setGloballyValid方法的2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
//.........这里部分代码省略.........
ilo= static_cast<int> (ceil(lo));
double up = columnUpper[iColumn];
if (up>COIN_INT_MAX)
up=COIN_INT_MAX;
iup= static_cast<int> (floor(up));
vlb_[iColumn]=ilo;
vub_[iColumn]=iup;
}
}
}
if (true) {
cutInfo_.sep_012_cut(mr_,mc_,mnz_,
mtbeg_,mtcnt_, mtind_, mtval_,
vlb_, vub_,
mrhs_, msense_,
solution,
info.inTree ? false : true,
&cnum,&cnzcnt,
&cbeg,&ccnt,&cind,&cval,&crhs,&csense);
} else {
int k = 4*mr_+2*mnz_;
int * temp = new int[k];
int * mtbeg = temp;
int * mtcnt = mtbeg + mr_;
int * mtind = mtcnt+mr_;
int * mtval = mtind+mnz_;
int * mrhs = mtval+mnz_;
char * msense = reinterpret_cast<char*> (mrhs+mr_);
int i;
k=0;
int kel=0;
for (i=0;i<mr_;i++) {
int kel2=kel;
int rhs = mrhs_[i];
for (int j=mtbeg_[i];j<mtbeg_[i]+mtcnt_[i];j++) {
int iColumn=mtind_[j];
int value=mtval_[j];
if (vlb_[iColumn]<vub_[iColumn]) {
mtind[kel]=mtind_[j];
mtval[kel++]=mtval_[j];
} else {
rhs -= vlb_[iColumn]*value;
}
}
if (kel>kel2) {
mtcnt[k]=kel-kel2;
mtbeg[k]=kel2;
mrhs[k]=rhs;
msense[k++]=msense_[i];
}
}
if (kel) {
cutInfo_.sep_012_cut(k,mc_,kel,
mtbeg,mtcnt, mtind, mtval,
vlb_, vub_,
mrhs, msense,
solution,
info.inTree ? false : true,
&cnum,&cnzcnt,
&cbeg,&ccnt,&cind,&cval,&crhs,&csense);
}
delete [] temp;
}
if (cnum) {
// add cuts
double * element = new double[mc_];
for (int i=0;i<cnum;i++) {
int n = ccnt[i];
int start = cbeg[i];
for (int j=0;j<n;j++)
element[j]=cval[start+j];
OsiRowCut rc;
if (csense[i]=='L') {
rc.setLb(-COIN_DBL_MAX);
rc.setUb(crhs[i]);
} else if (csense[i]=='G') {
rc.setLb(crhs[i]);
rc.setUb(COIN_DBL_MAX);
} else {
abort();
}
rc.setRow(n,cind+start,element,false);
if ((flags_&1)!=0)
rc.setGloballyValid();
//double violation = rc.violated(solution);
//if (violation>1.0e-6)
cs.insert(rc);
//else
//printf("violation of %g\n",violation);
}
delete [] element;
free(cbeg);
free(ccnt);
free(cind);
free(cval);
free(crhs);
free(csense);
}
}
}示例2: v
//.........这里部分代码省略.........
int code=1;
OsiSolverInterface * ncSi = NULL;
if (params.pivotLimit != 0)
{
ncSi = t_si->clone();
landpSi.setSi(ncSi);
ncSi->setDblParam(OsiDualObjectiveLimit, COIN_DBL_MAX);
ncSi->messageHandler()->setLogLevel(0);
}
int generated = 0;
if (params.pivotLimit == 0)
{
generated = landpSi.generateMig(iRow, cut, params);
}
else
{
generated = landpSi.optimize(iRow, cut, cached_, params);
if (params.generateExtraCuts == CglLandP::AllViolatedMigs)
{
landpSi.genThisBasisMigs(cached_, params);
}
landpSi.resetSolver(cached_.basis_);
}
code = 0;
if (generated)
code = validator_(cut, cached_.colsol_, si, params, originalColLower_, originalColUpper_);
if (!generated || code)
{
if (params.pivotLimit !=0)
{
handler_->message(LAP_CUT_FAILED_DO_MIG, messages_)<<validator_.failureString(code)<<CoinMessageEol;
landpSi.freeSi();
OsiSolverInterface * ncSi = t_si->clone();
landpSi.setSi(ncSi);
params.pivotLimit = 0;
if (landpSi.optimize(iRow, cut, cached_, params))
{
code = validator_(cut, cached_.colsol_, si, params, originalColLower_, originalColUpper_);
}
params.pivotLimit = params_.pivotLimit;
}
}
if (params.pivotLimit != 0)
{
landpSi.freeSi();
}
if (code)
{
handler_->message(CUT_REJECTED, messages_)<<
validator_.failureString(code)<<CoinMessageEol;
}
else
{
if (canLift_)
{
cut.setGloballyValid(true);
}
cs.insertIfNotDuplicate(cut, eq);
//cs.insert(cut);
{
//std::cout<<"Violation "<<cut.violated(cached_.colsol_)<<std::endl;
nCut++;
}
}
}
Cuts& extra = landpSi.extraCuts();
for (int i = 0 ; i < cached_.nNonBasics_; i++)
{
OsiRowCut * cut = extra.rowCut(i);
if (cut == NULL) continue;
int code = validator_(*cut, cached_.colsol_, si, params,
originalColLower_, originalColUpper_);
if (code)
{
handler_->message(LAP_CUT_FAILED_DO_MIG, messages_)
<<validator_.failureString(code)<<CoinMessageEol;
}
else
{
cs.insertIfNotDuplicate(*cut, eq);
{
nCut++;
}
}
delete cut;
}
landpSi.outPivInfo(nCut);
params_.timeLimit -= CoinCpuTime();
cached_.clean();
#ifdef APPEND_ROW
assert(t_si != &si);
delete t_si;
#endif
}