public TapeElement Visit(NaryFunc func)
{
return(Compile(func, () =>
{
var terms = func.Terms;
var indices = new TapeElement[terms.Count];
for (var i = 0; i < terms.Count; ++i)
{
indices[i] = terms[i].Accept(this);
}
var element = new Compiled.NaryFunc(func.Eval, func.Diff)
{
Inputs = MakeInputEdges(() =>
{
for (var i = 0; i < terms.Count; ++i)
{
edges.Add(new InputEdge {
Element = indices[i]
});
}
}),
};
return element;
}));
}
public void Visit(Compiled.NaryFunc elem)
{
double[] args = new double[elem.Terms.Length];
for (int i = 0; i < args.Length; i++)
{
args[i] = ValueOf(elem.Terms[i]);
}
elem.Value = elem.Eval(args);
}
public void Visit(Compiled.NaryFunc elem)
{
double[] args = new double[elem.Terms.Length];
for (int i = 0; i < args.Length; i++)
{
args[i] = ValueOf(elem.Terms[i]);
}
elem.Value = elem.Eval(args);
var grad = elem.Diff(args);
for (int i = 0; i < grad.Length; ++i)
{
elem.Inputs[i].Weight = grad[i];
}
}
public int Visit(NaryFunc func)
{
return(Compile(func, () =>
{
var indicesQuery = from term in func.Terms
select term.Accept(this);
var indices = indicesQuery.ToArray();
var element = new Compiled.NaryFunc
{
Eval = func.Eval,
Diff = func.Diff,
Terms = indices,
Inputs = indices.Select(x => new Compiled.InputEdge {
Index = x
}).ToArray(),
};
return element;
}));
}