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浮点数的问题

Other Parts Discussed in Thread: TMS320VC5509A

我用的CCS5.4,片子是TMS320VC5509A。

一个浮点数组,类型是float,amp[],做运算需要每个元素乘以1000,前48个元素都没问题。

第49个元素=-13.43477,乘以1000,应该=-13434.77

可是实际观察=305207.0

请问高手,怎么回事?如何解决?谢谢!