ceil
From cppreference.com
                    
                                        
                    
                    
                                                            
                    |   Defined in header <math.h>
  
 | 
||
|   float       ceilf( float arg ); 
 | 
(since C99) | |
|   double      ceil( double arg ); 
 | 
||
|   long double ceill( long double arg ); 
 | 
(since C99) | |
Computes nearest integer not less than arg.
Contents | 
[edit] Parameters
| arg | - | floating point value | 
[edit] Return value
Nearest integer not less than arg
[edit] Notes
The integer value can be always represented by the given floating point type.
[edit] Example
| This section is incomplete Reason: no example  | 
[edit] See also
|    nearest integer not greater than the given value   (function)  | 
|
|    (C99) 
 | 
   nearest integer not greater in magnitude than the given value   (function)  | 
|    
(C99) 
(C99) (C99)  | 
   nearest integer, rounding away from zero in halfway cases   (function)  |