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From: Jonathan Larmour <jlarmour@redhat.com>
To: windy <windy_yuan@263.net>
Cc: "ecos-discuss@sources.redhat.com" <ecos-discuss@sources.redhat.com>
Subject: Re: [ECOS] Help!
Date: Fri, 06 Apr 2001 08:13:00 -0000	[thread overview]
Message-ID: <3ACDDD24.AEC8EB55@redhat.com> (raw)
In-Reply-To: <200104060641.XAA13189@cygnus.com>

windy wrote:
> 
> We have ported ecos to our arm7 system.It seems work well,But division fail always confuses us.
> 
> the function which list below is my thread entry,I will create and execute it in cyg_user_start
> 
> void our_app1(int argc,char* argv[])
> {
>         float numerator,denominator;
>         numerator = 4000;
>         denominator = 100;
>         numerator /= denominator;   ==>every time step over here,gdb will report "bus error",Why?
> }
> Who can tell me why the gdb alway report bus error,and what should I do?

Where exactly does it fail? If you are using an arm7di (i.e. with no fast
multiplier) are you compiling with -mcpu=arm7di?
 
> the function _simple_mkdate in wallclock.inl maybe miss a parentheses,doesn't it?

Good catch.

Jifl
-- 
Red Hat, Rustat House, Clifton Road, Cambridge, UK. Tel: +44 (1223) 271062
Maybe this world is another planet's Hell -Aldous Huxley || Opinions==mine

       reply	other threads:[~2001-04-06  8:13 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200104060641.XAA13189@cygnus.com>
2001-04-06  8:13 ` Jonathan Larmour [this message]
2001-04-07  4:46   ` windy
2001-04-10 13:19     ` Jonathan Larmour
2005-06-16  8:49 [ECOS] Help !! Annamalai Prakash  K. (Tata Elxsi )
2005-06-16 20:17 ` John Carter
  -- strict thread matches above, loose matches on Subject: below --
2001-04-06  4:09 [ECOS] Help! Nielsen Linus
2001-04-05 23:41 windy

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