ProbHability

function random(min, max)
       r = math.random(min, max)
       return r
end

function calc(prob, maxi)
       if maxi then
              if prob > maxi then
                     error("Prob. higher than "..maxi..". Enter a number at second parameter or decrease the prob. rate.")
              else
                     prob = tonumber(prob)
                     pr = random(1, maxi)
                     if pr < prob then
                            return true
                     else
                            return false
                     end
              end
       else
              if prob > 100 then
                     error("Prob. higher than 100. Enter a number at second parameter or decrease the prob. rate.")
              else
                     prob = tonumber(prob)
                     pr = random(1, 100)
                     if pr < prob then
                            return true
                     else
                            return false
                     end
              end
       end
end

local function error(param)
       printError(param)
end