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Which function is used to calculate the norm of a complex number?

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Which function is used to calculate the norm of a complex number?

(a) abs()

(b) norm()

(c) mod()

(d) square_sum()

This question was addressed to me in final exam.

This intriguing question comes from Complex Library topic in portion Class Hierarchies, Library & Containers of C++

1 Answer

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Best answer
Right answer is (b) norm()

To explain: <complex> header provides norm() function to calculate the norm of a complex number.

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