content: function _Math_Min(a_ as float, b_ as float) as float
    if a_ > b_ then
      return b_
    else
      return a_
    end if
  end function
  
  function _Math_Max(a_ as float, b_ as float) as float
    if a_ > b_ then
      return a_
    else
      return b_
    end if
  end function
  
  function _Math_Ceil(value_) as integer
    if Int(value_) = value_ then
      result_ = value_
    else
      result_ = Int(value_) + 1
    end if
  
    return result_
  end function
  
  function _Math_Floor(value_) as integer
    return Int(value_)
  end function
  
  function _Math_Round(value_) as integer
    return Cint(value_)
  end function