| 摘要 |
An exceptional situation manager associates exceptional situations with nonstandard values and desired responses to perform when specific exceptional situations occur during computations. A desired response can comprise returning an associated nonstandard value, performing an associated nonstandard action or returning a default value. The exceptional situation manager ascertains the occurrence of exceptional situations during computations. Responsive to such an occurrence, the exceptional situation manager determines the desired response associated with the exceptional situation that occurred, and executes the desired response.
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