void NumberValue::verifyUnits(const NumberValue& n) {
if (type == Value::DIMENSION && n.type == Value::DIMENSION &&
getUnit().compare(n.getUnit()) != 0) {
setValue(convert(n.getUnit()));
setUnit(n.getUnit());
}
}
Value* NumberValue::tan(const vector<const Value*> &args) {
if (args[0]->type != Value::NUMBER &&
args[0]->type != Value::DIMENSION) {
throw new ValueException("tan() only works on numbers "
"or dimensions", *args[0]->getTokens());
}
NumberValue* n = new NumberValue(*(const NumberValue*)args[0]);
double val = n->getValue();
std::string unit;
if (n->type == Value::DIMENSION) {
unit = n->getUnit();
if(unit.compare("rad") != 0 &&
unit.compare("deg") != 0 &&
unit.compare("grad") != 0 &&
unit.compare("turn") != 0) {
throw new ValueException("ta() requires rad, deg, "
"grad or turn units.", *args[0]->getTokens());
}
val = UnitValue::angleToRad(val, unit);
}
n->setValue(std::tan(val));
n->type = Value::NUMBER;
n->setUnit("");
return n;
}
void NumberValue::setType(const NumberValue &n) {
type = n.type;
if (n.type == DIMENSION)
setUnit(n.getUnit());
else if (n.type == PERCENTAGE)
tokens.front().type = Token::PERCENTAGE;
else if (n.type == NUMBER) {
setUnit("");
}
}