public SDVariable isNumericTensor(String name, SDVariable x) {
        SDVariable result = f().isNumericTensor(x);
        return updateVariableNameAndReference(result, name);
    }
public SDVariable isNumericTensor ( String name , SDVariable x ) { SDVariable result = f ( ) . isNumericTensor ( x ) ; return updateVariableNameAndReference ( result , name ) ; }
Is the director a numeric tensor? In the current version of ND4J/SameDiff, this always returns true/1

@param name Output variable name
@param x    Input variable
@return Scalar variable with value 1