public float GetValue(SparseKey key)
{
foreach (var point in points)
{
if (point.key == key)
{
return(point.value);
}
}
return(0f);
}
public void AddValue(SparseKey key, float value)
{
foreach (var point in points)
{
if (point.key == key)
{
point.value += value;
return;
}
}
// 没有这个点的话添加到列表里
var p = new SparsePoint();
p.key = key;
p.value = value;
RowLength = max(RowLength, p.key.i);
ColumnLength = max(ColumnLength, p.key.j);
points.Add(p);
}
