condition, left, right
IF(BoolExpr condition, Expr left, Expr right)
double
eval()
String
toString()
setD, setH, setHl, setI, setN1, setN2, setN3, setP, setPreI, setX
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
eval
Expr
toString
Object