protected override bool MoveNextCore()
{
if (!_input.MoveNext())
{
return(false);
}
if (!_newGroupInInputCursorDel())
{
return(true);
}
// If this is the first step, we need to move next on _groupCursor. Otherwise, the position of _groupCursor is
// at the start of the next group.
if (_groupCursor.State == CursorState.NotStarted)
{
// The two cursors should have the same number of elements, so if _input.MoveNext() returned true,
// then it must return true here too.
var good = _groupCursor.MoveNext() && _newGroupInGroupCursorDel();
Ch.Assert(good);
}
// Read the whole group from the auxiliary cursor.
while (_groupCursor.State != CursorState.Done && !_newGroupInGroupCursorDel())
{
TLabel label = default(TLabel);
TScore score = default(TScore);
_labelGetter(ref label);
_scoreGetter(ref score);
_parent.ProcessExample(_state, label, score);
_groupCursor.MoveNext();
}
_parent.UpdateState(_state);
return(true);
}
public async Task <IActionResult> Edit(int id, [Bind("Id,Hole1,Hole2,Hole3,Hole4,Hole5,Hole6,Hole7,Hole8,Hole9,Hole10,Hole11,Hole12,Hole13,Hole14,Hole15,Hole16,Hole17,Hole18,Score,Created")] TScore tScore)
{
if (id != tScore.Id)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
_context.Update(tScore);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!TScoreExists(tScore.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
return(View(tScore));
}
public void Update(ref TScore score, float label, float weight, ref TMetrics loss)
{
SumWeights += weight;
TotalLabelW += label * weight;
TotalLabelSquaredW += label * label * weight;
UpdateCore(label, in score, in loss, weight);
}
public async Task <IActionResult> Create([Bind("Id,Hole1,Hole2,Hole3,Hole4,Hole5,Hole6,Hole7,Hole8,Hole9,Hole10,Hole11,Hole12,Hole13,Hole14,Hole15,Hole16,Hole17,Hole18,Score,Created")] TScore tScore)
{
if (ModelState.IsValid)
{
_context.Add(tScore);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(tScore));
}
public CacheItem(TScore value)
{
CachedValue = value;
LastAccess = DateTime.Now;
}
protected abstract bool IsNaN(ref TScore score);
protected abstract void ApplyLossFunction(ref TScore score, float label, ref TMetrics loss);
protected abstract void UpdateCore(float label, ref TScore score, ref TMetrics loss, float weight);
