public static int DecodePackedSInt64Delta(byte[] buf, int ofs, out MemArray <long> val)
{
int len = 0;
ulong dataLen;
len += ReadVarInt(buf, ofs + len, out dataLen);
int endLen = len + (int)dataLen;
var result = new MemArray <long>((int)dataLen);
ulong tmp;
len += ReadVarInt(buf, ofs + len, out tmp);
result[0] = SignedInt64(tmp);
int resultLen;
for (resultLen = 1; resultLen < result.Length && len < endLen; resultLen++)
{
len += ReadVarInt(buf, ofs + len, out tmp);
result[resultLen] = SignedInt64(tmp) + result[resultLen - 1];
}
result.Resize(resultLen);
val = result;
if (len != endLen)
{
throw new PbfParseException();
}
return(len);
}
public static int DecodePackedSInt64Delta(byte[] buf, int ofs, out MemArray <long> val, int itemCount)
{
int len = 0;
ulong dataLen;
len += ReadVarInt(buf, ofs + len, out dataLen);
int endLen = len + (int)dataLen;
var result = new MemArray <long>(itemCount);
var rs = result.RawData;
ulong tmp;
len += ReadVarInt(buf, ofs + len, out tmp);
rs[0] = SignedInt64(tmp);
for (int i = 1; len < endLen && i < rs.Length; i++)
{
len += ReadVarInt(buf, ofs + len, out tmp);
rs[i] = SignedInt64(tmp) + rs[i - 1];
}
val = result;
if (len != endLen)
{
throw new PbfParseException();
}
return(len);
}
static void MemTest()
{
var tim = Stopwatch.StartNew();
for (int i = 0; i < 10000; i++)
{
//var mem = new OsmNode[1000000];
var mem = new MemArray <OsmNode>(1000000);
mem[mem.Length / 2] = new OsmNode(1, 2, 3, null);
mem[mem.Length - 1] = new OsmNode(2, 3, 4, null);
mem.Dispose();
}
tim.Stop();
Console.WriteLine("{0:N0} ms", tim.ElapsedMilliseconds);
}
