private static void SwapRowData(int scrRowId, int targetRowId,
			float[][] array) {
		int aryLength = array[scrRowId].length;
		float temp;
		for (int i = 0; i < aryLength; i++) {
			temp = array[scrRowId][i];
			array[scrRowId][i] = array[targetRowId][i];
			array[targetRowId][i] = temp;
		}
	}