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Editorial Team
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Editorial Team
Asked: May 13, 20262026-05-13T18:38:39+00:00 2026-05-13T18:38:39+00:00

How can I easily generate random numbers following a normal distribution in C or

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How can I easily generate random numbers following a normal distribution in C or C++?

I don’t want any use of Boost.

I know that Knuth talks about this at length but I don’t have his books at hand right now.

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  1. Editorial Team
    Editorial Team
    2026-05-13T18:38:39+00:00Added an answer on May 13, 2026 at 6:38 pm

    There are many methods to generate Gaussian-distributed numbers from a regular RNG.

    The Box-Muller transform is commonly used. It correctly produces values with a normal distribution. The math is easy. You generate two (uniform) random numbers, and by applying an formula to them, you get two normally distributed random numbers. Return one, and save the other for the next request for a random number.

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