public static Stat2 <TKey> Stat2 <TKey, TValue, TCursor>(
this Series <TKey, TValue, TCursor> series)
where TCursor : ICursor <TKey, TValue, TCursor>
{
var stat = new Stat2 <TKey>();
using (var cursor = series.GetEnumerator())
{
var first = true;
while (cursor.MoveNext())
{
if (first)
{
stat._start = cursor.CurrentKey;
first = false;
}
stat.AddValue(DoubleUtil.GetDouble(cursor.CurrentValue));
}
stat._end = cursor.CurrentKey;
stat._endValue = DoubleUtil.GetDouble(cursor.CurrentValue);
}
return(stat);
}
public Stat2 <TKey> GetResult(ref TCursor left, ref TCursor right)
{
var copy = _state;
copy._start = left.CurrentKey;
copy._end = right.CurrentKey;
copy._endValue = DoubleUtil.GetDouble(right.CurrentValue);
return(copy);
}
public static Stat2 <TKey> Stat2 <TKey, TValue>(this ISeries <TKey, TValue> series)
{
var stat = new Stat2 <TKey>();
using (var cursor = series.GetSpecializedCursor())
{
var first = true;
while (cursor.MoveNext())
{
if (first)
{
stat._start = cursor.CurrentKey;
first = false;
}
stat.AddValue(DoubleUtil.GetDouble(cursor.CurrentValue));
}
stat._end = cursor.CurrentKey;
stat._endValue = DoubleUtil.GetDouble(cursor.CurrentValue);
}
return(stat);
}
public void RemoveOldLeft(KeyValuePair <TKey, TValue> oldLeft)
{
var x = DoubleUtil.GetDouble(oldLeft.Value);
_state.RemoveValue(x);
}
public void AddNewLeft(KeyValuePair <TKey, TValue> newLeft)
{
var x = DoubleUtil.GetDouble(newLeft.Value);
_state.AddValue(x);
}
public void CouldConvertToDoubleDynamic()
{
var count = 10_000_000;
for (int r = 0; r < 20; r++)
{
var sum = 0.0;
using (Benchmark.Run("Dynamic cast", count))
{
for (int i = 0; i < count; i++)
{
var price = new Price((double)i);
var dyn = (dynamic)price;
var dbl = (double)dyn;
sum += dbl;
}
}
using (Benchmark.Run("Convert nobox", count))
{
for (int i = 0; i < count; i++)
{
var price = new Price((double)i);
var dbl = Convert.ToDouble(price);
sum += dbl;
}
}
using (Benchmark.Run("Convert box", count))
{
for (int i = 0; i < count; i++)
{
var price = new Price((double)i);
var dbl = Convert.ToDouble((object)price); // (double)dyn;
sum += dbl;
}
}
using (Benchmark.Run("DoubleUtil nobox", count))
{
for (int i = 0; i < count; i++)
{
var price = new Price((double)i);
var dbl = DoubleUtil.GetDouble(price); // (double)dyn;
sum += dbl;
}
}
using (Benchmark.Run("DoubleUtil box", count))
{
for (int i = 0; i < count; i++)
{
var price = new Price((double)i);
var dbl = DoubleUtil.GetDouble((object)price); // (double)dyn;
sum += dbl;
}
}
using (Benchmark.Run("Direct", count))
{
for (int i = 0; i < count; i++)
{
var price = new Price((double)i);
var dbl = price.AsDouble;
sum += dbl;
}
}
Assert.IsTrue(sum > 0);
}
Benchmark.Dump();
}
public void CouldConvertToDoubleDynamic()
{
#if DEBUG
var count = 10_000;
#else
var count = 10_000_000;
#endif
for (int r = 0; r < 20; r++)
{
var sum = 0.0;
using (Benchmark.Run("Dynamic cast", count))
{
for (int i = 0; i < count; i++)
{
var price = (SmallDecimal)((double)i);
var dyn = (dynamic)price;
// ReSharper disable once PossibleInvalidCastException
var dbl = (double)dyn;
sum += dbl;
}
}
using (Benchmark.Run("Convert nobox", count))
{
for (int i = 0; i < count; i++)
{
var price = (SmallDecimal)((double)i);
var dbl = Convert.ToDouble(price);
sum += dbl;
}
}
using (Benchmark.Run("Convert box", count))
{
for (int i = 0; i < count; i++)
{
var price = (SmallDecimal)((double)i);
var dbl = Convert.ToDouble((object)price); // (double)dyn;
sum += dbl;
}
}
using (Benchmark.Run("DoubleUtil nobox", count))
{
for (int i = 0; i < count; i++)
{
var price = (SmallDecimal)((double)i);
var dbl = DoubleUtil.GetDouble(price); // (double)dyn;
sum += dbl;
}
}
using (Benchmark.Run("DoubleUtil box", count))
{
for (int i = 0; i < count; i++)
{
var price = (SmallDecimal)((double)i);
var dbl = DoubleUtil.GetDouble((object)price); // (double)dyn;
sum += dbl;
}
}
using (Benchmark.Run("Direct", count))
{
for (int i = 0; i < count; i++)
{
var price = (SmallDecimal)((double)i);
var dbl = (double)price;
sum += dbl;
}
}
Assert.IsTrue(sum > 0);
}
Benchmark.Dump();
}
