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ruby - 将 ruby float 向上或向下舍入到最接近的 0.05
我得到像这样的数字2.363636363636364.5675631.23456646544846510.5857447736我如何让Ruby将这些数字向上(或向下)舍入到最接近的0.05? 最佳答案 [2.36363636363636,4.567563,1.23456646544846,10.5857447736].mapdo|x|(x*20).round/20.0end#=>[2.35,4.55,1.25,10.6] 关于ruby-将rubyfloat向上或向下舍入到最接近的0.05
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