public static TensorAddress of(int label0, int label1, int label2) {
        return new TensorAddressAny3(LabelCache.GLOBAL.getOrCreateLabel(sanitize(label0)), LabelCache.GLOBAL.getOrCreateLabel(sanitize(label1)), LabelCache.GLOBAL.getOrCreateLabel(sanitize(label2)));
    }
Parent of tensor address family centered around each dimension as int.
A positive number represents a numeric index usable as a direct addressing.
- 1 is representing an invalid/null address
Other negative numbers are an enumeration maintained in {@link Label}

@author baldersheim
vespajlib/src/main/java/com/yahoo/tensor/impl/TensorAddressAny.java