Ceiling and Floor

 

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Ceiling rounds up to the nearest integer. Floor rounds down

on ceiling f   int = integer( f )   if int = f then      return int   else if( f > 0 ) then     return integer( f + .5 )   else     return integer( f - .5 )   end if end on floor f   int = integer(f)   if int = f then return int else if( f > 0 ) then     return integer( f -.5 )   else     return integer( f + .5 )   end if end