When I know the approximate magnitude of my numbers,
I just typecast to int to get floating point with kernel
printf versions...
rtl_printf("My number is %de-6",(int)(foo_float * 1e6));
-Chuck
On Wed, 7 Mar 2001, Dresner, Norman A. wrote:
> I believe you can't. Even though you can specify that a real-time
> module/task/thread can use the math coprocessor (I'm assuming your in an x86
> architecture), the kernel versions of printf don't support floating point
> conversions.
>
> I think that the best you can do is to send the data to a user-task via a
> real-time FIFO (or dump the data into shared memory) for printing.
>
> Norman Dresner
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> > -----Original Message-----
> > From: joseph canou [SMTP:[EMAIL PROTECTED]]
> > Sent: Wednesday, March 07, 2001 7:54 AM
> > To: [EMAIL PROTECTED]
> > Subject: [rtl] rtl_printf an floating point
> >
> > hello
> > i am using floating point in rt module and i would like to see some
> > results (for debugging) by using rtl_printf
> > but if i write rtl_printf("%f", var) with var declared as double i just
> > see %f in /var/log/messages
> > how can i do to see this var value?
> > i use rtl3.0 pre9
> > thank you for your help
> >
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