内容 2.1 Introduction to Data Abstraction · 91
练习 自检推理
Exercise 2.16: Explain, in general, why
equivalent algebraic expressions may lead to different answers. Can you devise
an interval-arithmetic package that does not have this shortcoming, or is this
task impossible? (Warning: This problem is very difficult.)
练习 2.16:一般地解释为什么等价的代数表达式可能导致不同的答案。你能设计一个不存在这一缺陷的区间算术程序包吗,还是说这一任务根本不可能完成?(警告:这道题非常难。)
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