Scalar functions are called as follows.

标量函数的调用方法如下。

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The functions can be coded to return a single value (for scalar functions) or multiple values (for table functions).

函数可以返回单一值(对于标量函数)或多个值(对于表函数)。

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If the program is such that the compiler cannot vectorize, it automatically tries to call the equivalent MASS scalar functions.

如果汇编器不能对程序进行向量化，它会自动试着调用等价MASS标量函数。

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