public void Visit(Compiled.Product elem)
{
double left = ValueOf(elem.Left);
double right = ValueOf(elem.Right);
elem.Value = left * right;
elem.Inputs[0].Weight = right;
elem.Inputs[1].Weight = left;
}
public void Visit(Compiled.Product elem)
{
Debug.Assert(ArgumentIndex == 0 || ArgumentIndex == 1);
if (ArgumentIndex == 0)
{
LocalDerivative = elem.Adjoint * ValueOf(elem.Right);
}
else
{
LocalDerivative = elem.Adjoint * ValueOf(elem.Left);
}
}
public TapeElement Visit(Product product)
{
return(Compile(product, () =>
{
var leftElement = product.Left.Accept(this);
var rightElement = product.Right.Accept(this);
var element = new Compiled.Product
{
Inputs = MakeInputEdges(() =>
{
edges.Add(new InputEdge {
Element = leftElement
});
edges.Add(new InputEdge {
Element = rightElement
});
})
};
return element;
}));
}
public int Visit(Product product)
{
return(Compile(product, () =>
{
var leftIndex = product.Left.Accept(this);
var rightIndex = product.Right.Accept(this);
var element = new Compiled.Product
{
Left = leftIndex,
Right = rightIndex,
Inputs = new Compiled.InputEdge[]
{
new Compiled.InputEdge {
Index = leftIndex
},
new Compiled.InputEdge {
Index = rightIndex
},
}
};
return element;
}));
}
public void Visit(Compiled.Product elem)
{
elem.Value = ValueOf(elem.Left) * ValueOf(elem.Right);
}