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Home/ Questions/Q 812689
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Editorial Team
Asked: May 15, 20262026-05-15T01:14:31+00:00 2026-05-15T01:14:31+00:00

How do I convert a std::vector<double> to a double array[] ?

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How do I convert a std::vector<double> to a double array[]?

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  1. Editorial Team
    Editorial Team
    2026-05-15T01:14:31+00:00Added an answer on May 15, 2026 at 1:14 am

    There’s a fairly simple trick to do so, since the spec now guarantees vectors store their elements contiguously:

    std::vector<double> v;
    double* a = &v[0];
    
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