static int getAndCheckPreLongs()

in src/main/java/org/apache/datasketches/vector/decomposition/PreambleUtil.java [227:234]

• 8 lines of code
• 3 McCabe index (conditional complexity)

  static int getAndCheckPreLongs(final Memory mem) {
    final long cap = mem.getCapacity();
    if (cap < Long.BYTES) { throwNotBigEnough(cap, Long.BYTES); }
    final int preLongs = extractPreLongs(mem);
    final int required = Math.max(preLongs << 3, Long.BYTES);
    if (cap < required) { throwNotBigEnough(cap, required); }
    return preLongs;
  }