代码很简单如下:
ofstream outfile("C:\\Users\\Song\\Desktop\\20171106\\final.txt", ios::in | ios::out | ios::binary);
for (int b = 1; b < 257; b++)
{
outfile << y[b] << "";
}
outfile.close();
我的问题是:
数组y内显示8.7391425897412365e19,输出到TXT文件内以后变成了8.73914e-019,想问一下怎样才能控制输出到tXT的精度?