public abstract double value(Problem P, ref EndCriteria.Type ecType, EndCriteria NamelessParameter3, double t_ini); // initial value of line-search step
public double update(ref Vector data, Vector direction, double beta, Constraint constraint) {
double diff = beta;
Vector newParams = data + diff * direction;
bool valid = constraint.test(newParams);
int icount = 0;
while (!valid) {
if (icount > 200)
throw new ApplicationException("can't update linesearch");
diff *= 0.5;
icount++;
newParams = data + diff * direction;
valid = constraint.test(newParams);
}
data += diff * direction;
return diff;
}
public abstract double value(Problem P, ref EndCriteria.Type ecType, EndCriteria NamelessParameter3, double t_ini); // initial value of line-search step
public double update(ref Vector data, Vector direction, double beta, Constraint constraint)
{
double diff = beta;
Vector newParams = data + diff * direction;
bool valid = constraint.test(newParams);
int icount = 0;
while (!valid)
{
if (icount > 200)
{
throw new ApplicationException("can't update linesearch");
}
diff *= 0.5;
icount++;
newParams = data + diff * direction;
valid = constraint.test(newParams);
}
data += diff * direction;
return(diff);
}
public bool test(Vector p)
{
return(c1_.test(p) && c2_.test(p));
}