odd_1.c

数据结构课程设计_任意大数的加减乘运算器

#define FEATURE_MAX_D 128
#include<stdio.h>
#include<malloc.h>
struct feature
{
	double descr[FEATURE_MAX_D];
};
void main()
{
	int n1,i=0;
	struct feature *feat1;
	FILE *fp,*fp0;

	fp=fopen("a.dat","rb");
	fread( &n1, sizeof( int ), 1, fp );
	feat1=(struct feature*)malloc(n1*sizeof(struct feature));
	fread(feat1,sizeof(struct feature),n1,fp);
	fclose(fp);
	fp0=fopen("b.txt","w+");
	for(i=0;i<128;i++)
		fprintf(fp0,"%f\n",(feat1+n1-2)->descr[i]);
	fclose(fp0);
}