Path: utzoo!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!hsdndev!dartvax!eleazar.dartmouth.edu!sean
From: sean@eleazar.dartmouth.edu (Sean P. Nolan)
Newsgroups: comp.sys.mac.programmer
Subject: Think C Agony!
Message-ID: <1991Mar7.063549.14081@dartvax.dartmouth.edu>
Date: 7 Mar 91 06:35:49 GMT
Sender: news@dartvax.dartmouth.edu (The News Manager)
Organization: Dartmouth College, Hanover, NH
Lines: 36

Hi there.

I'm having a problem that is making my eyes cross and my head spin around 
on my shoulders. PLEASE, if you can help here let me know, I'm up against
a deadline!

The following code, run without the Think Debugger, crashes with an addr error
at the (**hclusterNew).LearningRate = (**network).DefaultBiasLearningRate
assignment. Now here's the trick. Put in a Debugger() command right before
the assignment, and both handles (hclusternew and network) are perfectly
valid, and no crash occurs! Take away the Debugger(), and there's a
reproducible crash. Also, the same code run under the Think Debugger does
not crash. Help!

I seem to remember something like this being discussed. Anyone? Anything?
Thanks....

--- Sean

	/* allocate bias matrix */
	if (!((**hclusterNew).prgbiasstruct =
		(BIASSTRUCT**) NewHandle(NumNodes * sizeof(BIASSTRUCT))))
		{
		DisposHandle(hclusterNew);
		return(FALSE);
		}
	(**hclusterNew).LearningRate = (**network).DefaultBiasLearningRate;
	(**hclusterNew).fBiasesFrozen = FALSE;
	RandomizeBiases(network,hclusterNew);

+----------------------------------------------------------------------------+
| Sean P. Nolan     |    sean@eleazar.dartmouth.edu     | "That's not a      |
| Dartmouth College |                                   |  baby, that's a    |
| Hinman Box 2658   |            SCALP 'EM!             |  Mr. Potatohead!"  |
| Hanover, NH 03755 |                                   |     --- A.W.O.T.M. |
+----------------------------------------------------------------------------+