public void TestUnaryOperator()
{
var input = @"
Units(Base) := Mass | Length | Time | Temperature | ElectricCurent | AmountOfSubstance | LuninusIntensity
Operators(Binary) := (*, Times, 1, 1) | (/, Per, 1, -1)
Operators(Unary) := (Sq, 2) | (Sqrt, 0.5)
Real(Types) := (float, RealFloat)
Operator(*) := a = b * c | a = c * b | c = a / b | b = a / c
Operator(/) := a = b / c | c = b / a | b = a * c | b = c * a
Operator(Sq) := a = Sq b | a = b * b | b = Sqrt a
Speed := Length / Time
Acceleration := Speed / Time
Area := Sq Length
Volume := Area * Length
Force := Mass * Acceleration
Pressure := Force / Area
Energy := Force * Length
!Infer Slow
Unit(Mass) := (gram, i, g)
Unit(Length) := (meter, i, m)
Unit(Time) := (second, i, s) | (hour, i/3600, h) | (minute, i/60, min)
Unit(Temperature) := (kelvin, i, K) | (celzus, i + 273, ˙C)
Unit(Force) := (newton, i, N)
";
var res = Parser.ParseGrammarString(input);
var area = new BinaryCompositUnit(new Unit("Length"), BinaryOperator.TIMES, new Unit("Length"));
Assert.AreEqual(area.SiName(), res.GetUnit("Area").SiName());
}
public void Hard()
{
var l = new Unit("length");
var t = new Unit("time");
var area = new BinaryCompositUnit(l, BinaryOperator.TIMES, l);
var volumen = new BinaryCompositUnit(area, BinaryOperator.TIMES, l);
var hv = new BinaryCompositUnit(volumen, BinaryOperator.TIMES, l);
var speed = new BinaryCompositUnit(l, BinaryOperator.OVER, t);
var acceleration = new BinaryCompositUnit(speed, BinaryOperator.OVER, t);
var state = new ParserState
{
Operators = new HashSet <IOperator>
{
BinaryOperator.TIMES,
BinaryOperator.OVER,
new UnaryOperator("SQ", "SQ")
{
Count = (2, null)
}
},
public void Easy()
{
var l = new Unit("length");
var t = new Unit("time");
var speed = new BinaryCompositUnit(l, BinaryOperator.OVER, t);
var state = new ParserState
{
Operators = new HashSet <IOperator>
{
BinaryOperator.TIMES,
BinaryOperator.OVER
},
Units = new HashSet <IUnit>
{
l, t, speed
}
};
var(unit, depth) = Helpers.ShortestUnit(speed, state);
Assert.AreEqual(speed.SiName(), unit.SiName());
Assert.AreEqual(1, depth);
}
public override string SiName()
{
return(BinaryCompositUnit.SiName(this));
}
