我要评论本文以实例讲述了c#简单的向量用法，主要包括重载运算符>：以向量长度判断是否为真、重载运算符!=、<、<=等，具体实现代码如下：
using system;
class vector
{
private double xvector;
private double yvector;
//构造函数
public vector(double x, double y )
{
xvector = x;
yvector = y;
}
//获取向量的长度
public double getlength( )
{
double length = math.sqrt( xvector*xvector + yvector*yvector );
return length;
}
//重载运算符==
public static bool operator == ( vector a, vector b )
{
return ( (a.xvector == b.xvector) && (a.yvector == b.yvector) );
}
//重载运算符!=
public static bool operator != ( vector a, vector b )
{
return !( a == b );
}
//重载运算符>：以向量长度判断是否为真
public static bool operator > ( vector a, vector b )
{
return a.getlength( ) > b.getlength( );
}
//重载运算符<
public static bool operator < ( vector a, vector b )
{
return a.getlength( ) < b.getlength( );
}
//重载运算符>=
public static bool operator >= ( vector a, vector b )
{
return ( a == b ) || ( a > b );
}
//重载运算符<=
public static bool operator <= ( vector a, vector b )
{
return ( a == b ) || ( a < b );
}
}
class test
{
static public void main( )
{
vector vector1 = new vector( 3, 4 );
vector vector2 = new vector( 0, 5 );
vector vector3 = new vector( 2, 2 );
console.writeline("向量1为( 3, 4 ) \t 向量2为( 0, 5 ) \t 向量3为( 2, 2 )");
console.writeline("向量1 == 向量2 为：{0}", vector1 == vector2 );
console.writeline("向量1 != 向量2 为：{0}", vector1 != vector2 );
console.writeline("向量1 > 向量3 为：{0}", vector1 > vector3 );
console.writeline("向量2 < 向量3 为：{0}", vector2 < vector3 );
console.writeline("向量1 >= 向量2 为：{0}", vector1 != vector2 );
console.writeline("向量1 <= 向量2 为：{0}", vector1 != vector2 );
}
}
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