ceil(*args)
  public
  
    
    
Returns the smallest number greater than or equal to num with a
precision of ndigits decimal digits (default: 0).
Numeric implements this by converting its value
to a Float and invoking Float#ceil.
   
  
    Show source    
    
      static VALUE
num_ceil(int argc, VALUE *argv, VALUE num)
{
    return flo_ceil(argc, argv, rb_Float(num));
}