Method closest3

src/main/java/marc/math/Flann.java:279–279

(long flann, float x, float y, float z)

    native protected long build3(FloatBuffer data, int len);

    native protected int closest3(long flann, float x, float y, float z);

    native protected int closestN3(long flann, float x, float y, float z, LongBuffer buffer, int len);