java 实现对多维数组之间的转换，比如三维转一维，double转float

    public static float[] arrayF4ToF1(float[][][][] floats) {
        float[] result = new float[floats.length * floats[0].length * floats[0][0].length * floats[0][0][0].length];
        for (int i = 0; i < floats.length; i++) {
            for (int j = 0; j < floats[0].length; j++) {
                for (int k = 0; k < floats[0][0].length; k++) {
                    for (int z = 0; z < floats[0][0][0].length; z++) {
                        result[i * floats[0].length * floats[0][0].length * floats[0][0][0].length +
                                j * floats[0][0].length * floats[0][0][0].length +
                                k * floats[0][0][0].length +
                                z] = floats[i][j][k][z];
                    }
                }
            }
        }
        return result;
    }

  public static float[] arrayF3ToF1(float[][][] floats) {
        float[] result = new float[floats.length * floats[0].length * floats[0][0].length];
        for (int i = 0; i < floats.length; i++) {
            for (int j = 0; j < floats[0].length; j++) {
                for (int k = 0; k < floats[0][0].length; k++) {
                        result[i * floats[0].length * floats[0][0].length +
                                j * floats[0][0].length +
                                k] = floats[i][j][k];
                }
            }
        }
        return result;
    }

public static double[][][][] arrayF4ToD4(float[][][][] floats) {
        double[][][][] result = new double[floats.length][floats[0].length][floats[0][0].length][floats[0][0][0].length];
        for (int i = 0; i < floats.length; i++) {
            for (int j = 0; j < floats[0].length; j++) {
                for (int k = 0; k < floats[0][0].length; k++) {
                    for (int z = 0; z < floats[0][0][0].length; z++) {
                        result[i][j][k][z] = floats[i][j][k][z];
                    }
                }
            }
        }
        return result;
    }

public static double[][][] arrayF3ToD3(float[][][] floats) {
        double[][][] result = new double[floats.length][floats[0].length][floats[0][0].length];
        for (int i = 0; i < floats.length; i++) {
            for (int j = 0; j < floats[0].length; j++) {
                for (int k = 0; k < floats[0][0].length; k++) {
                        result[i][j][k] = floats[i][j][k];
                }
            }
        }
        return result;
    }