This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

C2000使用关于IQmath的问题



#define   _IQ1mpyIQX(A, IQA, B, IQB)   __IQxmpy(A, B, (1 + 32 - IQA - IQB))
这个宏定义中__IQxmpy(A, B, (1 + 32 - IQA - IQB)),不理解函数(1 + 32 - IQA - IQB),这个是怎么算的能否详细解释下??