public override void Main()
{
double bestx = EPS;
int besti = -1;
int bestj = -1;
int num = _sos.Length;
INumVar[] var = null;
double[] x = null;
for (int i = 0; i < num; ++i)
{
if (GetSOSFeasibility(_sos[i])
.Equals(Cplex.IntegerFeasibilityStatus.Infeasible))
{
var = _sos[i].NumVars;
x = GetValues(var);
int n = var.Length;
for (int j = 0; j < n; ++j)
{
double inf = System.Math.Abs(x[j] - System.Math.Round(x[j]));
if (inf > bestx)
{
bestx = inf;
besti = i;
bestj = j;
}
}
}
}
if (besti >= 0)
{
var = _sos[besti].NumVars;
int n = var.Length;
Cplex.BranchDirection[] dir = new Cplex.BranchDirection[n];
double[] val = new double[n];
for (int j = 0; j < n; ++j)
{
if (j != bestj)
{
dir[j] = Cplex.BranchDirection.Down;
val[j] = 0.0;
}
else
{
dir[j] = Cplex.BranchDirection.Up;
val[j] = 1.0;
}
}
MakeBranch(var, val, dir, ObjValue);
MakeBranch(var[bestj], 0.0,
Cplex.BranchDirection.Down, ObjValue);
}
}
public override void Main() {
double bestx = EPS;
int besti = -1;
int bestj = -1;
int num = _sos.Length;
INumVar[] var = null;
double[] x = null;
for (int i = 0; i < num; ++i) {
if ( GetSOSFeasibility(_sos[i])
.Equals(Cplex.IntegerFeasibilityStatus.Infeasible) ) {
var = _sos[i].NumVars;
x = GetValues(var);
int n = var.Length;
for (int j = 0; j < n; ++j) {
double inf = System.Math.Abs(x[j] - System.Math.Round(x[j]));
if ( inf > bestx ) {
bestx = inf;
besti = i;
bestj = j;
}
}
}
}
if ( besti >= 0 ) {
var = _sos[besti].NumVars;
int n = var.Length;
Cplex.BranchDirection[] dir = new Cplex.BranchDirection[n];
double[] val = new double[n];
for (int j = 0; j < n; ++j) {
if ( j != bestj ) {
dir[j] = Cplex.BranchDirection.Down;
val[j] = 0.0;
} else {
dir[j] = Cplex.BranchDirection.Up;
val[j] = 1.0;
}
}
MakeBranch(var, val, dir, ObjValue);
MakeBranch(var[bestj], 0.0,
Cplex.BranchDirection.Down, ObjValue);
}
}
