private Bound(Expression min, Expression max) {
this.flags = NORMAL;
setMin(min);
setMax(max);
if (bounds == null) bounds = new Vector<Bound>(10);
bounds.addElement(this);
}
/**
* Create a representation of a range from min to max.
*
* @param min is the lower bound
* @param max is the upper bound
*/
public static Bound create(Expression min, Expression max) {
if (max == null) {
if (min == null) return noBound;
max = LiteralMap.put(0x7ffffff, Machine.currentMachine.getIntegerCalcType());
}
if (bounds != null) {
int n = bounds.size();
for (int i = 0; i < n; i++) {
Bound ta = bounds.elementAt(i);
if (!min.equivalent(ta.min)) continue;
if (!max.equivalent(ta.max)) continue;
return ta;
}
}
Bound a = new Bound(min, max);
return a;
}