gaussian.hpp

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#pragma once
 
#include <cmath>
 
#include "NumCpp/Utils/sqr.hpp"
 
namespace nc::utils
{
    //============================================================================
    // Method Description:
    inline double gaussian(double inX, double inY, double inSigma) noexcept
    {
        double exponent = sqr(inX) + sqr(inY);
        exponent /= 2;
        exponent /= sqr(inSigma);
        return std::exp(-exponent);
    }
} // namespace nc::utils