C++ Question

[John W. Eaton]

On 17-Jun-2003, Matthew Wollenweber <address@hidden> wrote:

| The following code is segfaulting and I have no idea why. I found the line
| that is crashing, and ddd wasn't much help. 
| 
| I'm coding in C++, RefImage -> Cols is an integer. In the first iteration
| it's 32 in the second it's 64. I am SURE and have verified that RefImage
| -> Cols is not NULL. Yet the folling code crashes on the second iteration.
| Does anyone know why? 

Probably not, because it doesn't appear that you have provided enough
context to allow the bug to be reproduced.  If you could provide a
complete example that demonstrates your problem, someone might be able
to help you.

| RowVector X;
| 
| for(int level = levels +1; level >= 1; level --)
|     {
|     ......
|       //segfaults on the next line on the 2nd iteration
|       X = RowVector(RefImage -> Cols, 0);
| 
|       ....
| 
|     }

What you show looks fine, provided that RefImage->Cols is a int.  My
guess is that the real problem is in some other part of your code but
it just happens to show up here.

jwe



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