C#从列表中删除NaN<;对象>;
我有一个StackBuilder类型的列表:C#从列表中删除NaN<;对象>;,c#,list,C#,List,我有一个StackBuilder类型的列表: public class StackBuilder { private int quoteID = 0; private double price = 0; private double size = 0; public int QuoteID { get { return quoteID; } } public double Price { get
public class StackBuilder
{
private int quoteID = 0;
private double price = 0;
private double size = 0;
public int QuoteID
{
get { return quoteID; }
}
public double Price
{
get { return price; }
}
public double Size
{
get { return size; }
}
public StackBuilder(int quoteID, double price, double size)
{
this.quoteID = quoteID;
this.price = price;
this.size = size;
}
}
我试图删除所有price等于NaN的元素。这就是我所拥有的,但由于某种原因,它不会起作用
BidStack.RemoveAll(item => item.Price == Double.NaN);
AskStack.RemoveAll(item => item.Price == Double.NaN);
有什么建议吗
已解决:
BidStack.RemoveAll(item => Double.IsNaN(item.Price));
AskStack.RemoveAll(item => Double.IsNaN(item.Price));
=
运算符在NaN
上的工作方式与您期望的不一样,而是使用了Double.IsNaN(x)
它“起作用”-对于两个NaN
s,它只是不返回true
。事实上,NaN
的一个特定特征是NaN
值不等于自身。还有多个有效的NaN
。非常有效,谢谢@大样