if (array[i] == target) {
        return i;
      }
    }
    return -1;
  }

  /**
   * Returns the least value present in {@code array}, using the same rules of comparison as {@link
   * Math#min(double, double)}.
   *
   * @param array a <i>nonempty</i> array of {@code double} values
   * @return the value present in {@code array} that is less than or equal to every other value in