最贊回答 / sennhviwang
為0當(dāng)做整數(shù)處理,0.0當(dāng)做浮點(diǎn)數(shù)處理當(dāng)做整數(shù)會(huì)取地板,當(dāng)做浮點(diǎn)數(shù)更靠近結(jié)果
2014-11-20