* @param b the second {@code float} to compare
   * @return the result of invoking {@link Float#compare(float, float)}
   */
  public static int compare(float a, float b) {
    return Float.compare(a, b);
  }

  /**
   * Returns {@code true} if {@code value} represents a real number. This is equivalent to, but not
   * necessarily implemented as, {@code !(Float.isInfinite(value) || Float.isNaN(value))}.
   *

     *
     * @param o
     *            変換元のオブジェクト
     * @param pattern
     *            パターン文字列
     * @return 変換された{@link Float}
     */
    public static Float toFloat(final Object o, final String pattern) {
        if (o == null) {
            return null;
        } else if (o instanceof Float) {
            return (Float) o;
        } else if (o instanceof Number) {

      Float[] suffix = {(float) 86, (float) 99};
      Float[] all = concat(concat(prefix, elements), suffix);
      return asList(all).subList(2, elements.length + 2);
    }
  }

  private static Float[] concat(Float[] left, Float[] right) {
    Float[] result = new Float[left.length + right.length];
    System.arraycopy(left, 0, result, 0, left.length);
    System.arraycopy(right, 0, result, left.length, right.length);

    assertThat(Floats.constrainToRange((float) 1, (float) 1, (float) 5)).isEqualTo((float) 1);
    assertThat(Floats.constrainToRange((float) 1, (float) 3, (float) 5)).isEqualTo((float) 3);
    assertThat(Floats.constrainToRange((float) 0, (float) -5, (float) -1)).isEqualTo((float) -1);
    assertThat(Floats.constrainToRange((float) 5, (float) 2, (float) 2)).isEqualTo((float) 2);
    try {
      Floats.constrainToRange((float) 1, (float) 3, (float) 2);

  }

  public void testCheckNonNegative_zeroFloat() {
    MathPreconditions.checkNonNegative("float", 0f);
  }

  public void testCheckNonNegative_maxFloat() {
    MathPreconditions.checkNonNegative("float", Float.MAX_VALUE);
  }

  public void testCheckNonNegative_minFloat() {
    MathPreconditions.checkNonNegative("float", Float.MIN_VALUE);
  }

  public void testCheckNonNegative_positiveFloat() {

    assertThat(Floats.constrainToRange((float) 1, (float) 1, (float) 5)).isEqualTo((float) 1);
    assertThat(Floats.constrainToRange((float) 1, (float) 3, (float) 5)).isEqualTo((float) 3);
    assertThat(Floats.constrainToRange((float) 0, (float) -5, (float) -1)).isEqualTo((float) -1);
    assertThat(Floats.constrainToRange((float) 5, (float) 2, (float) 2)).isEqualTo((float) 2);
    try {
      Floats.constrainToRange((float) 1, (float) 3, (float) 2);

      Float[] suffix = {(float) 86, (float) 99};
      Float[] all = concat(concat(prefix, elements), suffix);
      return asList(all).subList(2, elements.length + 2);
    }
  }

  private static Float[] concat(Float[] left, Float[] right) {
    Float[] result = new Float[left.length + right.length];
    System.arraycopy(left, 0, result, 0, left.length);
    System.arraycopy(right, 0, result, left.length, right.length);

        assertEquals(expected6, DocumentUtil.getValue(doc, "key6", Double.class));
    }

    public void test_float() {
        Map<String, Object> doc = new HashMap<>();

        float expected7 = 999.999f;
        doc.put("key7", expected7);
        assertEquals(expected7, DocumentUtil.getValue(doc, "key7", Float.class));
    }

    public void test_boolean() {
        Map<String, Object> doc = new HashMap<>();

    }

    public void setBoost_Equal(Float boost) {
        setBoost_Term(boost, null);
    }

    public void setBoost_Equal(Float boost, ConditionOptionCall<TermQueryBuilder> opLambda) {
        setBoost_Term(boost, opLambda);
    }

    public void setBoost_Term(Float boost) {
        setBoost_Term(boost, null);
    }

    public void setBoost_Term(Float boost, ConditionOptionCall<TermQueryBuilder> opLambda) {

    writeLong(Double.doubleToLongBits(v));
  }

  /**
   * Writes a {@code float} as specified by {@link DataOutputStream#writeFloat(float)}, except using
   * little-endian byte order.
   *
   * @throws IOException if an I/O error occurs
   */
  @Override
  public void writeFloat(float v) throws IOException {
    writeInt(Float.floatToIntBits(v));
  }

  /**