public void SuccessfullyCalculateCotangentOfPositiveAngle()
{
var value = 60;
var function = new CotangentFunction();
var phase = function.Calculate();
Assert.NotNull(phase);
Assert.Equal("Specify Argument", phase.Name);
Assert.Equal("Specify angle to find the cotangent of.", phase.Description);
Assert.Collection(phase.Inputs,
i =>
{
Assert.Equal("Angle", i.Info.Name);
Assert.Null(i.Info.Description);
Assert.Equal(new RadianUnit(), i.Info.Unit);
});
phase.Inputs[0].Value = value;
Assert.Null(function.Calculate(phase));
Assert.Collection(function.CurrentResult,
i =>
{
Assert.Equal(typeof(double), i.ValueType);
Assert.Equal(1.0 / Math.Tan(value), TypeConverter.ToObject <double>(i.Value));
});
}
public void SuccessfullySetFunctionInfo()
{
var function = new CotangentFunction();
Assert.NotNull(function.FunctionInfo);
Assert.Equal("Cotangent", function.FunctionInfo.Name);
Assert.Equal(new Version("1.0.0"), function.FunctionInfo.Version);
Assert.Equal("Find the cotangent of an angle.", function.FunctionInfo.Description);
Assert.Collection(function.FunctionInfo.Tags,
i => Assert.Equal("cotangent", i),
i => Assert.Equal("cot", i));
}
public void SuccessfullyCalculateCotangentWithNoAngleSpecified()
{
var function = new CotangentFunction();
var phase = function.Calculate();
Assert.NotNull(phase);
Assert.Null(function.Calculate(phase));
Assert.Collection(function.CurrentResult,
i =>
{
Assert.Equal(typeof(double), function.CurrentResult[0].ValueType);
Assert.Equal(1.0 / Math.Tan(0.0), TypeConverter.ToObject <double>(function.CurrentResult[0].Value));
});
}
public void SuccessfullyCalculateCotangentOfNegativeAngle()
{
var value = -54;
var function = new CotangentFunction();
var phase = function.Calculate();
Assert.NotNull(phase);
phase.Inputs[0].Value = value;
Assert.Null(function.Calculate(phase));
Assert.Collection(function.CurrentResult,
i =>
{
Assert.Equal(typeof(double), i.ValueType);
Assert.Equal(1.0 / Math.Tan(value), TypeConverter.ToObject <double>(i.Value));
});
}
/// <summary>
/// Tries to create an Leviathan Function expression if the function Uri correseponds to a supported Leviathan Function
/// </summary>
/// <param name="u">Function Uri</param>
/// <param name="args">Function Arguments</param>
/// <param name="scalarArgs">Scalar Arguments</param>
/// <param name="expr">Generated Expression</param>
/// <returns>Whether an expression was successfully generated</returns>
public bool TryCreateExpression(Uri u, List <ISparqlExpression> args, Dictionary <String, ISparqlExpression> scalarArgs, out ISparqlExpression expr)
{
// If any Scalar Arguments are present then can't possibly be a Leviathan Function
if (scalarArgs.Count > 0)
{
expr = null;
return(false);
}
String func = u.ToString();
if (func.StartsWith(LeviathanFunctionsNamespace))
{
func = func.Substring(LeviathanFunctionsNamespace.Length);
ISparqlExpression lvnFunc = null;
switch (func)
{
case All:
if (args.Count == 1)
{
lvnFunc = new AggregateTerm(new AllAggregate(args.First()));
}
else if (args.Count == 2 && args.First() is DistinctModifier)
{
lvnFunc = new AggregateTerm(new AllAggregate(args.Last(), true));
}
else
{
throw new RdfParseException("Incorrect number of arguments for Leviathan all() aggregate");
}
break;
case Any:
if (args.Count == 1)
{
lvnFunc = new AggregateTerm(new AnyAggregate(args.First()));
}
else if (args.Count == 2 && args.First() is DistinctModifier)
{
lvnFunc = new AggregateTerm(new AnyAggregate(args.Last(), true));
}
else
{
throw new RdfParseException("Incorrect number of arguments for Leviathan any() aggregate");
}
break;
case Cartesian:
if (args.Count == 4)
{
lvnFunc = new CartesianFunction(args[0], args[1], args[2], args[3]);
}
else if (args.Count == 6)
{
lvnFunc = new CartesianFunction(args[0], args[1], args[2], args[3], args[4], args[5]);
}
else
{
throw new RdfParseException("Incorrect number of arguments for Leviathan cartesian() function");
}
break;
case Cube:
if (args.Count == 1)
{
lvnFunc = new CubeFunction(args.First());
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan cube() function");
}
break;
case DegreesToRadians:
if (args.Count == 1)
{
lvnFunc = new DegreesToRadiansFunction(args.First());
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan degrees-to-radians() function");
}
break;
case E:
if (args.Count == 1)
{
lvnFunc = new EFunction(args.First());
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan e() function");
}
break;
case Factorial:
if (args.Count == 1)
{
lvnFunc = new FactorialFunction(args.First());
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan factorial() function");
}
break;
case Ln:
if (args.Count == 1)
{
lvnFunc = new LeviathanNaturalLogFunction(args.First());
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan ln() function");
}
break;
case Log:
if (args.Count == 1)
{
lvnFunc = new LogFunction(args.First());
}
else if (args.Count == 2)
{
lvnFunc = new LogFunction(args.First(), args.Last());
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan log() function");
}
break;
case MD5Hash:
if (args.Count == 1)
{
lvnFunc = new MD5HashFunction(args.First());
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan md5hash() function");
}
break;
case Median:
if (args.Count == 1)
{
lvnFunc = new AggregateTerm(new MedianAggregate(args.First()));
}
else if (args.Count == 2 && args.First() is DistinctModifier)
{
lvnFunc = new AggregateTerm(new MedianAggregate(args.Last(), true));
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan median() aggregate");
}
break;
case Mode:
if (args.Count == 1)
{
lvnFunc = new AggregateTerm(new ModeAggregate(args.First()));
}
else if (args.Count == 2 && args.First() is DistinctModifier)
{
lvnFunc = new AggregateTerm(new ModeAggregate(args.Last(), true));
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan mode() aggregate");
}
break;
case None:
if (args.Count == 1)
{
lvnFunc = new AggregateTerm(new NoneAggregate(args.First()));
}
else if (args.Count == 2 && args.First() is DistinctModifier)
{
lvnFunc = new AggregateTerm(new NoneAggregate(args.Last(), true));
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan none() aggregate");
}
break;
case NumericMax:
if (args.Count == 1)
{
lvnFunc = new AggregateTerm(new NumericMaxAggregate(args.First()));
}
else if (args.Count == 2 && args.First() is DistinctModifier)
{
lvnFunc = new AggregateTerm(new NumericMaxAggregate(args.Last(), true));
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan nmax() aggregate");
}
break;
case NumericMin:
if (args.Count == 1)
{
lvnFunc = new AggregateTerm(new NumericMinAggregate(args.First()));
}
else if (args.Count == 2 && args.First() is DistinctModifier)
{
lvnFunc = new AggregateTerm(new NumericMinAggregate(args.Last(), true));
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan nmin() aggregate");
}
break;
case Power:
if (args.Count == 1)
{
lvnFunc = new SquareFunction(args.First());
}
else if (args.Count == 2)
{
lvnFunc = new PowerFunction(args.First(), args.Last());
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan pow() function");
}
break;
case Pythagoras:
if (args.Count == 2)
{
lvnFunc = new PythagoreanDistanceFunction(args.First(), args.Last());
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan pythagoras() function");
}
break;
case RadiansToDegrees:
if (args.Count == 1)
{
lvnFunc = new RadiansToDegreesFunction(args.First());
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan radians-to-degrees() function");
}
break;
case Random:
if (args.Count == 0)
{
lvnFunc = new RandomFunction();
}
else if (args.Count == 1)
{
lvnFunc = new RandomFunction(args.First());
}
else if (args.Count == 2)
{
lvnFunc = new RandomFunction(args.First(), args.Last());
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan rnd() function");
}
break;
case Reciprocal:
if (args.Count == 1)
{
lvnFunc = new ReciprocalFunction(args.First());
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan reciprocal() function");
}
break;
case Root:
if (args.Count == 1)
{
lvnFunc = new SquareRootFunction(args.First());
}
else if (args.Count == 2)
{
lvnFunc = new RootFunction(args.First(), args.Last());
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan root() function");
}
break;
case Sha256Hash:
if (args.Count == 1)
{
lvnFunc = new Sha256HashFunction(args.First());
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan sha256hash() function");
}
break;
case Square:
if (args.Count == 1)
{
lvnFunc = new SquareFunction(args.First());
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan sq() function");
}
break;
case SquareRoot:
if (args.Count == 1)
{
lvnFunc = new SquareRootFunction(args.First());
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan sqrt() function");
}
break;
case Ten:
if (args.Count == 1)
{
lvnFunc = new TenFunction(args.First());
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan ten() function");
}
break;
case TrigCos:
case TrigCosInv:
if (args.Count == 1)
{
lvnFunc = new CosineFunction(args.First(), func.Equals(TrigCosInv));
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan " + func + "() function");
}
break;
case TrigCosec:
case TrigCosecInv:
if (args.Count == 1)
{
lvnFunc = new CosecantFunction(args.First(), func.Equals(TrigCosecInv));
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan " + func + "() function");
}
break;
case TrigCotan:
case TrigCotanInv:
if (args.Count == 1)
{
lvnFunc = new CotangentFunction(args.First(), func.Equals(TrigCotanInv));
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan " + func + "() function");
}
break;
case TrigSec:
case TrigSecInv:
if (args.Count == 1)
{
lvnFunc = new SecantFunction(args.First(), func.Equals(TrigSecInv));
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan " + func + "() function");
}
break;
case TrigSin:
case TrigSinInv:
if (args.Count == 1)
{
lvnFunc = new SineFunction(args.First(), func.Equals(TrigSinInv));
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan " + func + "() function");
}
break;
case TrigTan:
case TrigTanInv:
if (args.Count == 1)
{
lvnFunc = new TangentFunction(args.First(), func.Equals(TrigTanInv));
}
else
{
throw new RdfParseException("Incorrect number of arguments for the Leviathan " + func + "() function");
}
break;
}
if (lvnFunc != null)
{
expr = lvnFunc;
return(true);
}
}
expr = null;
return(false);
}
