Loop invariant

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Notion

Domain

Science and technology

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What Wikipedia says

In computer science, a loop invariant is a property of a program loop that is true before (and after) each iteration. It is a logical assertion, sometimes checked with a code assertion. Knowing its invariant(s) is essential in understanding the effect of a loop.

Excerpt from the Wikipedia article “Loop invariant”, under the CC BY-SA 4.0 license. Read the article on Wikipedia