std::ios_base::width
From cppreference.com
                    
                                        
                    
                    
                                                            
                    | streamsize width() const; | (1) | |
| streamsize width( streamsize new_width ); | (2) | |
Manages the minimum number of characters to generate on certain output conversions.
1) Returns the current field width.
2) Sets the precision to the given one.
| Contents | 
[edit] Parameters
| new_width | - | new field width setting | 
[edit] Return value
the field width before the call to the function
[edit] Example
| This section is incomplete Reason: no example | 
[edit] See also
| manages decimal precision of floating point operations (public member function) | |

