public BivariateOperator(Spud <T> a, Spud <T> b, BivariateOperatorFunction <T> op) : base(a.manager)
{
this.a = dependsOn(a);
this.b = dependsOn(b);
this.op = op;
Bomb.unless(a.manager == b.manager, () => "a and b must have same manager");
}
public MakesLoop(SpudManager manager, int size) : base(manager)
{
Spud <double> last = this;
zeroTo(size, i => {
Spud <double> next = new RootSpud <double>(manager);
next.dependsOn(last);
last = next;
});
dependsOn(last);
}
// USE WITH CARE! This tremendously useful spud has one drawback. An IntervalSpud creates a new "time" definition, based on the BarSpud it is wrapped around.
// So, 2 IntervalSpuds wrapped around different BarSpuds are not necessarily time-synchronized
// (if one of the spuds has gotten a data point in the new interval, and the other hasn't, spud[0] will be different for each of them).
// If you don't understand, go through your use case with Jeric and make sure it works. or pray. or sacrifice a chicken.
public IntervalSpud(Spud <Bar> values, Interval interval) : base(new SpudManager())
{
values.valueSet += newBar => {
var newRange = interval.range(jDate(newBar.time));
if (currentRange == null || !currentRange.equals(newRange))
{
manager.newBar();
currentRange = newRange;
current = new ProtoBar(newBar.java());
}
else
{
current.update(newBar.java());
}
set(new Bar(current.asBar()));
};
}
public Plus(Spud <double> a, Spud <double> b) : base(a, b, (x, y) => x + y)
{
}
public LogSpud(Spud <double> values) : base(values.manager)
{
this.values = dependsOn(values);
}
public DiffSpud(Spud <double> values, int lag) : base(values.manager)
{
this.lag = lag;
this.values = dependsOn(values);
Bomb.unless(lag >= 1, () => "lag should be >= 1");
}
public LaggedSpud(Spud <T> values, int lag) : base(values.manager)
{
this.lag = lag;
this.values = dependsOn(values);
}
public CrossOverSpud(Spud <T> spud1, Spud <T> spud2) : base(spud1.manager)
{
this.spud1 = dependsOn(spud1);
this.spud2 = dependsOn(spud2);
}
public Divide(Spud <double> a, Spud <double> b) : base(a, b, (x, y) => y == 0 ? 0 : x / y)
{
}
public static ComparableSpud <T> comparable <T>(Spud <T> spud) where T : IComparable <T>
{
return(new ComparableSpudWrapper <T>(spud));
}
public ComparableSpudWrapper(Spud <T> spud) : base(spud.manager)
{
this.spud = dependsOn(spud);
}
public DependsOnDependent(Spud <double> root) : base(root.manager)
{
parent = dependsOn(new DependentSpud(root));
}
public DependentSpud(Spud <double> parent) : base(parent.manager)
{
this.parent = dependsOn(parent);
}
public Minus(Spud <double> a, Spud <double> b) : base(a, b, (x, y) => x - y)
{
}
public SpudTransformer(Spud <SOURCE> spud, Converter <SOURCE, TARGET> transform) : base(spud.manager)
{
this.spud = dependsOn(spud);
transformer = transform;
}
public Times(Spud <double> a, Spud <double> b) : base(a, b, (x, y) => x * y)
{
}
public WindowSpud(Spud <T> values, int window) : base(values.manager)
{
this.window = window;
this.values = dependsOn(values);
}
public MinMax(Spud <T> spud, int period, int direction) : base(spud.manager)
{
this.spud = dependsOn(spud);
this.period = period;
this.direction = direction;
}
public CrossOverSpud(Spud <T> spud1, T t) : this(spud1, spud1.constant(t))
{
}