Function RandHelper

Source/Engine/Core/RandomStream.h:159–162

Helper function for rand implementations. Top border A random number in [0..A)

    /// <param name="a">Top border</param>
    /// <returns>A random number in [0..A)</returns>
    FORCE_INLINE int32 RandHelper(int32 a) const
    {
        return a > 0 ? Math::TruncToInt(GetFraction() * ((float)a - ZeroTolerance)) : 0;
    }

    /// <summary>
    /// Helper function for rand implementations