Value* NumberValue::operation(Value& v, Expression::Operator_e e)
{
NumberValue* num = dynamic_cast<NumberValue*>(&v);
if(num) {
if(isComparison(e)) {
bool result=basicOperation<bool,double>(this->number,e,num->number);
return new BooleanValue(result);
} else {
double result=basicOperation<double,double>(this->number,e,num->number);
return new NumberValue(result);
}
}
VectorValue* vec = dynamic_cast<VectorValue*>(&v);
if(vec) {
if(e==Expression::Concatenate) {
QList<Value*> r=vec->getChildren();
r.prepend(this);
return new VectorValue(r);
} else {
//operations between scalars and vectors are commutative e.g.
// [1,2,3]-1 is the same as 1 - [1,2,3]
return Value::operation(vec,e,this);
}
}
return Value::operation(v,e);
}
