Function: ceil
Section: conversions
C-Name: gceil
Prototype: G
Help: ceil(x): ceiling of x = smallest integer >= x.
Description:
 (small):small:parens   $1
 (int):int:copy:parens  $1
 (real):int             ceilr($1)
 (mp):int               mpceil($1)
 (gen):gen              gceil($1)
Doc:
 ceiling of $x$. When $x$ is in $\R$, the result is the
 smallest integer greater than or equal to $x$. Applied to a rational
 function, $\kbd{ceil}(x)$ returns the Euclidean quotient of the numerator by
 the denominator.
