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Chapter 9 Macro The configuration window is shown as follows: Perform offline simulation and enter “5” and “2” in LW0 and Lw1 respectively, and press “=” to obtain the result as follows: According to our estimation, the result shall be 2.5 instead of 2. What is the problem? If the user is familiar with the C language, he will be aware of the reason quickly. Because the data type for LW0_R and LW1_R is “short”, according to the default type conversion principle of C language, the division result will be rounded off to an integer. How to solve the problem? It is simple: just convert an input value into the type of “double”: LW2_W= (double)(LW0_R) / LW1_R; 294
