【入门夯实】对不上的一：浮点累加误差与整数化记账

local total = 0
for _ = 1, 10 do
    total = total + 0.1
end
if total == 1 then
    givePrize()
end

local function rollPrize(actor)
    actor = getplayerbyname(actor)
    local totalRate = 0
    for _ = 1, 10 do
        totalRate = totalRate + 1000
    end
    if totalRate == 10000 then
        giveitem(actor, "裁决之杖碎片", 1)
        sendmsg(actor, 1, "十段概率拼满，大奖到手。")
    end
end

local function nearlyEqual(a, b)
    return math.abs(a - b) < 0.000001
end