arry.h

C均值法模式识别算法的VC实现

#include "math.h"
class CArry
{public:
 float x1;
 float x2;
 CArry()
 {x1=0;
  x2=0;
 }
 float Distance(CArry &b)
 {float d;
  //d=sqrtf((x1-b.x1)*(x1-b.x1)+(x2-b.x2)*(x2-b.x2));
 d=(x1-b.x1)*(x1-b.x1)+(x2-b.x2)*(x2-b.x2);
  return d;
 }
 CArry *operator=(CArry &a)
 {x1=a.x1;
  x2=a.x2;
  return this;
 }
 friend BOOL operator ==(CArry &a,CArry &b)
 {if((a.x1!=b.x1)|(a.x2!=b.x2))
     return FALSE;
   else
	   return TRUE;
 }
 friend CArry operator+(CArry &a,CArry &b)
 {CArry c;
  c.x1=a.x1+b.x1;
  c.x2=a.x2+b.x2;
  return c;
 }
};