How are exponents calculated?

Question

I\'m trying to determine the asymptotic run-time of one of my algorithms, which uses exponents, but I\'m not sure of how exponents are calculated programmatically.

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Answer 1

You can use exp(n*ln(x)) for calculating xⁿ. Both x and n can be double-precision, floating point numbers. Natural logarithm and exponential function can be calculated using Taylor series. Here you can find formulas: http://en.wikipedia.org/wiki/Taylor_series