The '1u' is an unsigned constant. No float involved.
Look at the code and I doubt there is any variable u
declared.

> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Leandro
> Sent: Friday, July 26, 2002 1:56 PM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: [PIC]: CCS and Strange shift method, is it valid?
>
>
> Hello  all
>
> I'm trying to do a 16 point FFT on a 16C73B and, porting a C code
> (optimized
> for micros, that was what the code comment says ;)) i found an extrange
> instruction that doesn't work in CCS compiler.
> The line is as follows:
>
>   n=1u<<order;
>
>

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