public int Visit(BinaryFunc func)
{
return(Compile(func, () =>
{
var leftIndex = func.Left.Accept(this);
var rightIndex = func.Right.Accept(this);
var element = new Compiled.BinaryFunc
{
Eval = func.Eval,
Diff = func.Diff,
Left = leftIndex,
Right = rightIndex,
Inputs = new Compiled.InputEdge[]
{
new Compiled.InputEdge {
Index = leftIndex
},
new Compiled.InputEdge {
Index = rightIndex
},
}
};
return element;
}));
}
public void Visit(Compiled.BinaryFunc elem)
{
double left = ValueOf(elem.Left);
double right = ValueOf(elem.Right);
elem.Value = elem.Eval(left, right);
var grad = elem.Diff(left, right);
elem.Inputs[0].Weight = grad.Item1;
elem.Inputs[1].Weight = grad.Item2;
}
public TapeElement Visit(BinaryFunc func)
{
return(Compile(func, () =>
{
var leftElement = func.Left.Accept(this);
var rightElement = func.Right.Accept(this);
var element = new Compiled.BinaryFunc(func.Eval, func.Diff)
{
Inputs = MakeInputEdges(() =>
{
edges.Add(new InputEdge {
Element = leftElement
});
edges.Add(new InputEdge {
Element = rightElement
});
})
};
return element;
}));
}
public void Visit(Compiled.BinaryFunc elem)
{
elem.Value = elem.Eval(ValueOf(elem.Left), ValueOf(elem.Right));
}
