public Index(IndexSet set, int order, Expression expr) : base(GetNameFromLinqExpression(expr))
{
Set = set;
Order = order;
IndexExpression = expr;
Type = IndexType.Expression;
}
internal TensorIndexExpression(IndexExpression expr, IndexSet set, Dimension[] dim) : base(expr, dim)
{
expr.ThrowIfNotType <Tensor>();
if (!(expr.Object is ConstantExpression))
{
throw new ArgumentException("This Linq expression cannot be used as a tensor index expression.");
}
IndexSet = set;
}
public Index(IndexSet set, int order, int dim, string name) : base(name)
{
Set = set;
Order = order;
Type = IndexType.Dimension;
}
public TensorContraction(TensorIndexExpression expr, Tensor lhsTensor, IndexSet lhsIndexSet, params Dimension[] shape)
: base(expr, shape)
{
this.LHSTensor = lhsTensor;
this.LHSIndexSet = lhsIndexSet;
}
