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trying to open a text file,but it doesn't work

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  1. matrix ratio=matrix(7,30);
  2. int  j;
  3. double n;
  4. ifstream in;
  5. in.open("3.txt");
  6.  
  7. if(in)cout << "file opened" << endl;
  8. else  cout << "FAILURE to open file" << endl;
  9. for (i=0;i<7;i++)
  10.     {
  11.         for (j=0;j<30;j++){
  12.  
  13.             in >> n;
  14.             //cout << n << endl;
  15.  
  16.             if(in.fail())break;
  17.             if(in.eof())break;
  18.             ratio(i,j)=n;
Feb 6 '07 #1
3 1272
Ganon11
3,652 Recognized Expert Specialist
And your question is...?
Feb 6 '07 #2
kaygee
12 New Member
And your question is...?
What have i done wrong?
Feb 7 '07 #3
Ganon11
3,652 Recognized Expert Specialist
Well, without knowing what errors you're receiving, what the input file contains, what you're trying to do with it, etc. I can't really say. We'll need more details before we can effectively address any problems you may be having.
Feb 7 '07 #4

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