Paolo Mantegazza ([EMAIL PROTECTED]) wrote:
> Stuart has stated the following:
>
> RTL/RTAI work fine with fpu provided you inform RTL/RTAI
>
> RTL: call rt_task_use_fp(&task, 1)
> RTAI: call rt_linux_use_fpu(1) and set argument 6==1 when calling
> rt_task_init.
>
> It is correct, however RTAI also has the function "rt_task_use_fp(&task,
> 1)"
> that paired to the above linux counterpart allows to dynamically switch
> FPU support back and forth.
> We placed the choice also at task init because all of our applications
> use the FPU, in fact also the scheduler can be directly installed with
> linux fpu support.
Just to make the description complete:
a similar feature is present in RTL V2.0preX. pthread_setfp_np(3).
Michael.
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