@Override
    public String toString(boolean withType, boolean shortForms) {
        return toString(withType, shortForms, Long.MAX_VALUE);
    }
Returns the value at the given <i>standard value order</i> index as a float.

@param valueIndex the direct index into the underlying data.
@throws IllegalArgumentException if index is out of bounds
vespajlib/src/main/java/com/yahoo/tensor/IndexedTensor.java