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IQmath 使能的好处?

Other Parts Discussed in Thread: TMS320F28377D, CONTROLSUITE

我想问一下,如果不使用IQmath库,直接把变量类型定义为float or double ,不能实现浮点数的加、减、乘除运算吗?例如float a=1.2222222;b=3.5555;double c=0; c=a*b;
使用IQmath 有什么好处?

我使用的是tms320F28377D芯片,这个芯片是有IEEE 754 Single-Precision Floating-Point Unit  (FPU) ,有这个单元,能支持哪些功能?