-1.6961842e+00 9.0363699e-01 -2.1875500e+00 -4.5921259e-01 5.6124110e-01 9.0363699e-01 1.3206571e-01 -4.5921259e-01 5.6124110e-01 -1.3800562e-01 上面是example.asc文件中的2行内容,用如下方法尝试进行读取:
double data[2][5];
FILE *fp = fopen( "F:\\example.asc", "r"
if( fp == NULL && fp_labels == NULL )
return;
int n = 0;
while(!feof(fp) )
{
fscanf(fp,"%f %f %f %f %f",
breast_cancer_train_data_1[n][0],
breast_cancer_train_data_1[n][1],
breast_cancer_train_data_1[n][2],
breast_cancer_train_data_1[n][3],
breast_cancer_train_data_1[n][4]);
n++;
}
编译和连接都通过了,但是执行的时候报错 :"Access Voilation."向大家请教到底怎么回事? 最好能够附上源代码。谢谢!!!
double data[2][5];
FILE *fp = fopen( "F:\\example.asc", "r"
if( fp == NULL && fp_labels == NULL )
return;
int n = 0;
while(!feof(fp) )
{
fscanf(fp,"%f %f %f %f %f",
breast_cancer_train_data_1[n][0],
breast_cancer_train_data_1[n][1],
breast_cancer_train_data_1[n][2],
breast_cancer_train_data_1[n][3],
breast_cancer_train_data_1[n][4]);
n++;
}
编译和连接都通过了,但是执行的时候报错 :"Access Voilation."向大家请教到底怎么回事? 最好能够附上源代码。谢谢!!!
fscanf(fp,"%f %f %f %f %f",
example[n][0],
example[n][1],
example[n][2],
example[n][3],
example[n][4]);
2、fscanf里面的参数用简单变量,而不用数组元素。
3、试试
fscanf(fp,"%f %f %f %f %f",
&example[n][0],
&example[n][1],
&example[n][2],
&example[n][3],
&example[n][4]);
2,按照“太平洋”的方法,最后读入的所有元素都是-9.2559631349318e+061 !!!
困惑中~ 难道fscanf的用法不对?!!!
请再次给予帮助,谢谢!!!
fscanf(fp,"%lf %lf %lf %lf %lf\n",
&aa1,
&aa2,
&aa3,
&aa4,
&aa5);
fscanf(fp,"%le %le %le %le %le\n",
&aa1,
&aa2,
&aa3,
&aa4,
&aa5);
Thank you very much!!!