关于内存泄露的问题

[Lionheartch]

代码如下，动态申请内存，到最后delete的时候为什么会出错呢？代码如下，灰常着急啊，大神快来

//获得一个畸变量数组

#include <iostream>
#include <iomanip>
#include <cmath>
using std::cin;
using std::cout;
using std::endl;
using std::setprecision;

const double xp = 0, yp = 0;

class pointcoord
{
private:
	double x, y;
public:
	pointcoord()
	{
		x = y = 0;
	}
	void readcoord(const double& a,const double& b)
	{
		x = a;
		y = b;
	}
	void showcoord()
	{
		cout<<setprecision(20)x<<"\t"<<y<<endl;
	}
	/*pointcoord& operator=(const pointcoord&& apoint)
	{
		this->x = apoint.x;
		this->y = apoint.y;
		return *this;
	}*/
	pointcoord& operator=(const pointcoord& apoint)
	{
		this->x = apoint.x;
		this->y = apoint.y;
		return *this;
	}
};
pointcoord CalcDistortion(const double &a,const double &b);

int main()
{
	double x0 = 0.0, y0 = 0, xn = 0, yn = 0, x_step = 0, y_step = 0;
	int n = 0;
	double x_offset = 0, y_offset = 0;
	
	pointcoord *Distor_Array;
	
	cout << "Enter x0,y0,xn,yn,n,in sequence" << endl;
	cin >> x0 >> y0 >> xn >> yn >> n;
	if(n<=0)
	{
		cout<<"n value error.";
		return 0;
	}
	Distor_Array = new pointcoord[n];
	x_offset = x0 - xp;
	y_offset = y0 - yp;
	x_step = (xn-x0)/n;
	y_step = (yn-y0)/n;
	double tempx,tempy;
	for(int i=0;i<=n;i++)
	{
		tempx = x_offset+static_cast<double>(i)*x_step;
		tempy = y_offset+static_cast<double>(i)*y_step;
		Distor_Array[i] = CalcDistortion(tempx,tempy);
	}
	
	for(int j=0;j<=n;j++)
	{
		cout<<j<<"\t";
		Distor_Array[j].showcoord();
	}
	
	delete [] Distor_Array;//内存泄露，问题出在哪？
	//system("pause");
	return 0;
}
pointcoord CalcDistortion(const double &a,const double &b)
{
	double DeltaX = 0, DeltaY = 0;
	pointcoord temppoint;
	temppoint.readcoord(DeltaX,DeltaY);
	return temppoint;
}

[www_adintr_com]

中间访问 new 的内存的时候越界了 for(int i=0;i<=n;i++) { tempx = x_offset+static_cast<double>(i)*x_step; tempy = y_offset+static_cast<double>(i)*y_step; Distor_Array[i] = CalcDistortion(tempx,tempy); } for(int j=0;j<=n;j++) { cout<<j<<"\t"; Distor_Array[j].showcoord(); } 这两个 for 都不能用 <=, 改成 <

[csd1208]

引用 1 楼 adlay 的回复:

中间访问 new 的内存的时候越界了 for(int i=0;i<=n;i++) { tempx = x_offset+static_cast<double>(i)*x_step; tempy = y_offset+static_cast<double>(i)*y_step; Distor_Ar……

楼上 正解

[赵4老师]

“多一少一”问题占程序员常犯错误的10%以上！

[Lionheartch]

引用 1 楼 adlay 的回复:

中间访问 new 的内存的时候越界了 for(int i=0;i<=n;i++) { tempx = x_offset+static_cast<double>(i)*x_step; tempy = y_offset+static_cast<double>(i)*y_step; Distor_Ar……

感谢~