Re: [Dev-C++] help

[Brian M. <str...@ho...>]

I don't know anything about stack faults, but i do have a knight's tour 
program that runs without any kind of illegal operations and doesn't use 
recursive functions.  It also works just about all the time.  take a look if 
you want.


>From: "Jason Hardman" <jas...@bt...>
>To: "Dev-C++" <dev...@li...>, "Mohammed Riyaz" 
><p_m...@ho...>
>Subject: Re: [Dev-C++] help
>Date: Wed, 6 Mar 2002 16:24:43 -0000
>
>I couldn't tell you exactly what the problem is without the seeing the
>source code, which I'm interested in doing anyway as it's not a problem 
>I've
>come across before. However I can suggest what may be the cause. By any
>chance is the algorithm used a recursive one? That could be one reason you
>are getting a 'stack fault' as every time you call a method you are 
>creating
>a new set of instance variables (amongst other things) on the stack for it,
>and there is only a limited amount of space allocated to the stack usualy.
>Notice that in both versions the stack pointer (ESP) is about 00560000h
>which is about 5 Meg assuming it started a zero. I think on intel machines
>that is the case?
>
>There may be another cause but that seems the most likely. If you are using
>a recursive function then try to reimplement it in a non-recursive manner,
>it will be faster that way too.
>
>If recursive calls are the cause, then this fault also suggests that there
>may be an error in the termination condition of the function(s), so you are
>going through an infinite number of recursive calls, although it may just 
>be
>that the algorithm requires so many calls that the termination condition
>would never be met before a stack overflow.
>
>This is all just a stab in the dark without seeing the code, but I hope it
>helps.
>
>Jason
>
>----- Original Message -----
>From: "Mohammed Riyaz" <p_m...@ho...>
>To: <dev...@li...>
>Sent: Wednesday, March 06, 2002 7:43 AM
>Subject: [Dev-C++] help
>
>
> >
> > Hey guys,
> >
> > i wrote a program to solve the knight's problem.(move to every block on
>the
> > chess board using the knight's movements, but never reach the same block
> > twice.)
> >
> > I feel though i coded the program right my system is unable to run the
> > program.
> >
> > In order to test it i compiled the program with two compilers, as a 
>result
> > both the exe files gave errors. but the exe file created by dev-c++
>compiler
> > ran longer than the other(i.e it could try more to reach the result).
> >
> > the error message for both theexe files was
> > " this program has performed an illegal operation and will be shut down"
> >
> > but the details causing the error were diffrent in the either case:
> >
> > When compiled with Dev-c++ compiler:
> >
> > KNIGHT caused a stack fault in module KERNEL32.DLL at 0167:bff7a2a1.
> > Registers:
> > EAX=0054fffc CS=0167 EIP=bff7a2a1 EFLGS=00000216
> > EBX=78037780 SS=016f ESP=00552018 EBP=00552024
> > ECX=c1413f00 DS=016f ESI=00000024 FS=4d3f
> > EDX=bffc9490 ES=016f EDI=81661bc0 GS=0000
> > Bytes at CS:EIP:
> > 58 5f 8b e5 5d c3 a1 e8 9c fc bf 8b 08 ff 41 38
> > Stack dump:
> > 81660a14 00000002 c1413f00 00552044 bff75d40 00000002 00000024 78037780
> > bffa0001 81660a14 00000000 00552480 78011eb2 0000000c 0055206c 00000002
> >
> >
> >
> > When compiled with borland v5.5 compiler:
> >
> > KNIGHT caused a stack fault in module KNI.EXE at 0167:0041557a.
> > Registers:
> > EAX=00000006 CS=0167 EIP=0041557a EFLGS=00010206
> > EBX=00562018 SS=016f ESP=00562000 EBP=0056205c
> > ECX=005624f1 DS=016f ESI=005624f1 FS=4d1f
> > EDX=00000000 ES=016f EDI=0000000a GS=0000
> > Bytes at CS:EIP:
> > 55 53 56 57 8b 5c 24 14 8b 4c 24 18 0b c9 75 08
> > Stack dump:
> > 00415991 0000000a 00000000 00000024 005625e6 00562664 004159a4 0000000a
> > 00000000 00000024 005625fe 00562664 00000001 00000020 0056260e 00562664
> >
> >
> > cud some one tell me what i cud do?
> > i didnt use dynamic memory allocation in my program.
> > -riyaz
> >
> > ========================================================================
> > P.Mohammed riyaz
> > Student, Computer Science And Engineering
> > ========================================================================
> >
> >
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