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Home » Software Engineering » What Do You Mean by Knot Count
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What Do You Mean by Knot Count

By Dinesh Thakur

For a programmer, to understand a given program, he typically draws arrows from the point of control transfer to its destination, helping him to create a mental picture of the program and the control transfer in it.

 

According to this metric the more interwined these arrows become the more complex the program. This notion is captured in the concept of a “Knot”.


A knot is essentially the intersection of two such control transfer arrows. If each statement in the program is written one as separate line, this notion can be formalized as follows. A jump from line a to line b is represented by the pair (a, b).

 

Two jumps  (a,b) and (p,q) give rise to a knot if either min (a,b) <min (p,q)<max(a,b) and max (p,q) > max (a,b) ;or min (a,b)< max (p, qa)< max(a,b) and min (p, q)< min (a,b).

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About Dinesh Thakur
Dinesh ThakurDinesh Thakur holds an B.C.A, MCDBA, MCSD certifications. Dinesh authors the hugely popular Computer Notes blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps.

Dinesh Thakur is a Freelance Writer who helps different clients from all over the globe. Dinesh has written over 500+ blogs, 30+ eBooks, and 10000+ Posts for all types of clients.


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