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不说CLA，就说CPU
比方说28035是定点，28004x是浮点。
是通过是否有FPU来判断吗？
28035是不是通过IQMATH什么的，也可以进行浮点运算
就是看看是否有FPU 定点做的精度和效率比浮点差很多
附上官网上的产品图，有标出是定点还是浮点
