/// <summary>
/// Create a new <seealso cref="ForUtil"/> instance and save state into <code>out</code>.
/// </summary>
public ForUtil(float acceptableOverheadRatio, DataOutput @out)
{
@out.WriteVInt(PackedInts.VERSION_CURRENT);
EncodedSizes = new int[33];
Encoders = new PackedInts.Encoder[33];
Decoders = new PackedInts.Decoder[33];
Iterations = new int[33];
for (int bpv = 1; bpv <= 32; ++bpv)
{
PackedInts.FormatAndBits formatAndBits = PackedInts.FastestFormatAndBits(Lucene41PostingsFormat.BLOCK_SIZE, bpv, acceptableOverheadRatio);
Debug.Assert(formatAndBits.format.IsSupported(formatAndBits.bitsPerValue));
Debug.Assert(formatAndBits.bitsPerValue <= 32);
EncodedSizes[bpv] = EncodedSize(formatAndBits.format, PackedInts.VERSION_CURRENT, formatAndBits.bitsPerValue);
Encoders[bpv] = PackedInts.GetEncoder(formatAndBits.format, PackedInts.VERSION_CURRENT, formatAndBits.bitsPerValue);
Decoders[bpv] = PackedInts.GetDecoder(formatAndBits.format, PackedInts.VERSION_CURRENT, formatAndBits.bitsPerValue);
Iterations[bpv] = ComputeIterations(Decoders[bpv]);
@out.WriteVInt(formatAndBits.format.id << 5 | (formatAndBits.bitsPerValue - 1));
}
}
internal PagedMutable(long size, int pageSize, PackedInts.FormatAndBits formatAndBits)
: this(size, pageSize, formatAndBits.bitsPerValue, formatAndBits.format)
{
}