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F28069选DSP库的问题

F28069是piccolo定点系列的成员,但是我看到框图里面是有FPU的,手册也说支持单精度浮点运算,那如果我要做FFT的运算,是否最好使用比如C28x_VCU_LIB_fpu32.lib或C28x_VCU_LIB_Tables_fpu32.lib这样的库(看名字应该是支持VCU+FPU)而不是C28x_VCU_LIB.lib和C28x_VCU_LIB_Tables.lib?   我这样的理解是对的吗?