public void Store(BinaryWriter writer, Func <int, decimal> values, int count)
{
DeltaCompression.Helper helper = null;
List <long> rawValues = null;
int maxDigits;
try
{
maxDigits = GetMaxDigits(values, count);
if (maxDigits <= 15)
{
helper = new DeltaCompression.Helper();
rawValues = new List <long>(count);
decimal koef = (decimal)Math.Pow(10, maxDigits);
for (int i = 0; i < count; i++)
{
decimal value = values(i);
long v = checked ((long)Math.Round(value * koef));
helper.AddValue(v);
rawValues.Add(v);
}
}
else
{
maxDigits = -1;
}
}
catch (OverflowException)
{
maxDigits = -1;
}
writer.Write((sbyte)maxDigits);
if (maxDigits >= 0)
{
DeltaCompression.CoreCompress(writer, rawValues, helper);
}
else
{
for (int i = 0; i < count; i++)
{
writer.Write(values(i));
}
}
}
public void Store(BinaryWriter writer, Func <int, long> values, int count)
{
List <long> list = new List <long>(count);
int index = factors.Length - 1;
for (int i = 0; i < count; i++)
{
long value = values(i);
list.Add(value);
while (index >= 0)
{
if (value % factors[index] == 0)
{
break;
}
else
{
index--;
}
}
}
long factor = index >= 0 ? factors[index] : 1;
DeltaCompression.Helper helper = new DeltaCompression.Helper();
for (int i = 0; i < count; i++)
{
list[i] = list[i] / factor;
helper.AddValue(list[i]);
}
CountCompression.Serialize(writer, checked ((ulong)factor));
DeltaCompression.CoreCompress(writer, list, helper);
}