sense.cpp

文件中包含多种模式识别常用的算法

#include<stdio.h>
#include<math.h>

typedef struct sample
{
	int x;
	int y;
	int z;
	int k;
} SAMPLE;

int multiply(SAMPLE a,SAMPLE b)
{
	int mul;
	mul=a.x*b.x+a.y*b.y+a.z*b.z+a.k*b.k;
	return mul;
}

SAMPLE add(SAMPLE a,SAMPLE b)
{
	SAMPLE ad;
	ad.x=a.x+b.x;
	ad.y=a.y+b.y;
	ad.z=a.z+b.z;
	ad.k=a.k+b.k;
	return ad;
}


void main()
{
	SAMPLE point[8]={{0,0,0,1},{1,0,0,1},{1,0,1,1},{1,1,0,1},{0,0,-1,-1},{0,-1,-1,-1},{0,-1,0,-1},{-1,-1,-1,-1}};
	SAMPLE weight={0,0,0,0};
	SAMPLE p;
	int c=1;
	int m,f;
	int i;

	while(1)
	{
		f=0;
		for(i=0;i<8;i++)
		{
			m=multiply(weight,point[i]);
			if(m<=0)
			{
				p.x=c*point[i].x;
				p.y=c*point[i].y;
				p.z=c*point[i].z;
				p.k=c*point[i].k;
				weight=add(weight,p);
				f++;
			}
		}
		if(f==0)
			break;
	}

	printf("weight=(%d,%d,%d,%d)\n",weight.x,weight.y,weight.z,weight.k);
}