@Override
    public double get(TensorAddress address) {
        // optimize for fast lookup within bounds:
        try {
            return get(toValueIndex(address, dimensionSizes, type));
        }
        catch (IllegalArgumentException e) {
            return 0.0;
        }
    }
Returns the value at this address, or 0.0 if there is no value at this address
vespajlib/src/main/java/com/yahoo/tensor/IndexedTensor.java