Windows7マシンにcygwinをインストールしましたが、私はいくつかのC++コードを実行しています。私がこのコードを実行しているとき:cygwinコンソールにエラーメッセージやcoutメッセージがありません
#include <iostream>
#include <string>
#include <fstream>
#include <time.h>
#include <math.h>
#include "Pop.h"
using namespace std;
int main() {
ifstream in;
ofstream out;
cout << "something";
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "1\n";
else
cout << "unable to open res7 file";
out.close();
int seed = time(NULL);
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "2\n";
else
cout << "unable to open res7 file";
out.close();
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "seed " << seed << '\n';
else
cout << "unable to open res7 file";
out.close();
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "3\n";
else
cout << "unable to open res7 file";
out.close();
srand (seed);
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "4\n";
else
cout << "unable to open res7 file";
out.close();
double parameters[4];
int location;
in.open("input7.txt", ios::in);
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "5\n";
else
cout << "unable to open res7 file";
out.close();
return 0;
}
コンソール(何か)に出力があります。しかし、私は完全なコードを実行する:
#include <iostream>
#include <string>
#include <fstream>
#include <time.h>
#include <math.h>
#include "Pop.h"
using namespace std;
int main() {
ifstream in;
ofstream out;
cout << "something";
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "1\n";
else
cout << "unable to open res7 file";
out.close();
int seed = time(NULL);
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "2\n";
else
cout << "unable to open res7 file";
out.close();
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "seed " << seed << '\n';
else
cout << "unable to open res7 file";
out.close();
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "3\n";
else
cout << "unable to open res7 file";
out.close();
srand (seed);
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "4\n";
else
cout << "unable to open res7 file";
out.close();
double parameters[4];
int location;
in.open("input7.txt", ios::in);
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "5\n";
else
cout << "unable to open res7 file";
out.close();
if (in.is_open()) {
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "6\n";
else
cout << "unable to open res7 file";
out.close();
char line[256];
while (!in.getline(line, 256).eof()) {
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "7\n";
else
cout << "unable to open res7 file";
out.close();
char *input = strtok(line, " ");
int i=0;
while (input!=NULL) {
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "8\n";
else
cout << "unable to open res7 file";
out.close();
parameters[i] = atof(input);
input = strtok(NULL, " ");
i++;
}
int rnum = rand();
location = rnum%10000;
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "9\n";
else
cout << "unable to open res7 file";
out.close();
Pop p(parameters[0], parameters[1], 0.2, 0.1, parameters[2], location);
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "10\n";
else
cout << "unable to open res7 file";
out.close();
double L = exp(-parameters[3]);
double FF_mean = p.FF_steady(parameters[3], L, 0.0);
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "11\n";
else
cout << "unable to open res7 file";
out.close();
out.open("res7.txt", ios::out|ios::app);
if (out.is_open()) {
out << "number of chromosomes is " << p.all_population[0]->ga->chromosome << " alpha is " << parameters[2] << " cost is " << parameters[1];
out << " a is " << parameters[0] << " u is " << parameters[3] << " location is " << location << " FF steady is " << FF_mean << '\n';
}
else
cout << "unable to open res7 file FF";
out.close();
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "12\n";
else
cout << "unable to open res7 file";
out.close();
if (FF_mean>0.1) {
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "13\n";
else
cout << "unable to open res7 file";
out.close();
p.insert_O(0.05);
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "14\n";
else
cout << "unable to open res7 file";
out.close();
double total_mean = p.steady(parameters[3], L, 0.0);
double perc = p.perc_O();
out.open("res7.txt", ios::out|ios::app);
if (out.is_open())
out << "total steady is " << total_mean << " perc O is " << perc << '\n';
else
cout << "unable to open res7 file";
out.close();
}
}
}
else
cout << "Unable to open input7 file\n";
in.close();
return 0;
}
私はコンソールに出力が表示されません。別のマシンでコードを実行すると、浮動小数点例外があることがわかります。私はそれがどこにあるのかは分かると思いますが、私が理解していないのは、cygwinのコンソールで出力やエラーが表示されない理由です。誰でも助けてくれますか?
コードを表示してください。 –
また、Cygwin gccなどを使用していますか? – ak2
「cout」は、「res7」ファイルを開くことができない場合にのみ呼び出されます。 'printf()'は機能しますか? 'printf()'の後に 'cout <<" hello \ n ";'を追加してみてください(基本的にはいつも呼び出されます)。 – hmjd