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定义在片上的数组存储float的数据没错误精度很高 但是一旦把数组放外扩sram精度下降很多 请问什么原因
比如我定义2个float的数a1=1.0001 a2=2.0002 相乘放片上定义的float数组 b1[0]=a1*a2,的到数据是2.0004007
定义在外扩sram的float数组 C1[0]=a1*a2,的到数据是2.00390625
