Re: [Lapackpp-devel] Bug?

[Dee <de...@de...>]

Hello,

I get this result:

terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc
Aborted

The problem is in

#5  0x00007ffff75c721e in __cxa_throw () from /usr/lib/libstdc++.so.6
#6  0x00007ffff75c76ad in operator new(unsigned long) () from
/usr/lib/libstdc++.so.6
#7  0x00007ffff75c7769 in operator new[](unsigned long) () from
/usr/lib/libstdc++.so.6
#8  0x00007ffff7bbfa19 in VectorDouble::VectorDouble(unsigned int) ()
from /usr/lib/liblapackpp.so.14
---Type <return> to continue, or q <return> to quit---
#9  0x00007ffff7ba3761 in LaGenMatDouble::LaGenMatDouble(int, int) ()
from /usr/lib/liblapackpp.so.14
#10 0x0000000000400a87 in main () at lap.cpp:9

So I suppose the resulting vector of size 647193600 is too big for the
stack (or heap).

Greetings
Dee


-------- Original-Nachricht --------
Betreff: [Lapackpp-devel] Bug?
Von: Jan Korous <kor...@gm...>
An: lap...@li...
Datum: 18.09.2010 18:08

> Hello,
> I intended to use Lapack++ in my CFD project for diploma thesis. But I
> found something stange. This simple code crashes, segfault...
> 
> #include <stdio.h>
> #include <lapackpp/gmd.h> // LaGenMatDouble
> 
> using namespace std;
> int main() {
>       LaGenMatDouble matrix ( 25440, 25440 );
>       cout << matrix(0, 8675);
>       return 0;
> }
> 
> I don't know what's going on. I am using version 2.5.3 Are you able to
> reproduce the bug or is it just me?
> 
> Thank you for your answer.
> 
> Sincerely
> Jan Korous
> 
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