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Ceil

Returns the minimal integer greater than or equal to a number.

Syntax:

y := Ceil(x);

integer
  y  
real
  x  

See also:  Trunc, Round, Floor

Description:

Given an x in Z, Q or R the function returns \min{ k\inZ : k >= x}. The computation is done in the current precision of the real (complex) field.


Example:


kash> Ceil(3);
3
kash> Ceil(-3);
-3
kash> Ceil(3.5);
4
kash> Ceil(-3.5);
> -3


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