protected void UnsafeCache(T value)
{
int offs = ElementSize * Count;
var handle = GCHandle.Alloc(backing, GCHandleType.Pinned);
try
{
var ptr = handle.AddrOfPinnedObject() + offs;
Marshal.StructureToPtr(value, ptr, false);
Count += 1;
OnCache?.Invoke(value);
decache_reset.Set();
}
finally
{
handle.Free();
}
}
private int Calculate(int allCount, int chosenCount)
{
if (chosenCount == 0 || allCount == chosenCount)
{
return(1);
}
var savedValue = _cache[allCount, chosenCount];
if (savedValue > -1)
{
OnCache?.Invoke(allCount, chosenCount);
return(savedValue);
}
OnCall?.Invoke(allCount, chosenCount);
return(_cache[allCount, chosenCount] = Calculate(allCount - 1, chosenCount) + Calculate(allCount - 1, chosenCount - 1));
}