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关于double 数据类型精度



您好,我现在需要把一个pc的算法移植到dsp   c6678中,我发现pc中计算的double数据类型共有17为有效数字,而dsp ccs运行中double 值的有效数字只有16为,导致我最终算法结果不对,请问这个有什么解决办法吗?