Method nGetFIdx

opencv/src/main/java/org/opencv/core/Mat.java:1875–1875

(long self, int[] idx, int count, float[] vals)

    private static native int nGetF(long self, int row, int col, int count, float[] vals);

    private static native int nGetFIdx(long self, int[] idx, int count, float[] vals);

    private static native int nGetD(long self, int row, int col, int count, double[] vals);