Re: [PATCH v1 02/13] iio: chemical: bme680: avoid using camel case

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Fri, Oct 11, 2024 at 08:50:27PM +0200, Vasileios Aoiridis kirjoitti:
> On Fri, Oct 11, 2024 at 01:00:33PM +0300, Andy Shevchenko wrote:
> > On Thu, Oct 10, 2024 at 11:00:19PM +0200, vamoirid wrote:

...

> > >  	var1 = ((1340 + (5 * (s64)calib->range_sw_err)) *
> > > -			((s64)lookupTable[gas_range])) >> 16;
> > > +			((s64)lookup_table[gas_range])) >> 16;
> > 
> > Also an opportunity to make this neater like
> > 
> > 	var1 = (1340 + (5 * (s64)calib->range_sw_err)) * (s64)lookup_table[gas_range]);
> > 	var1 >>= 16;
> > 
> > So, at bare minumym there are redundant parentheses. And looking at the table
> > and the first argument of multiplication I'm puzzled why casting is needed for
> > the second? Shouldn't s64 already be implied by the first one?
> 
> I think the 2nd cast indeed is not needed since the 1st one forces the
> s64 so I can remove it.

Thinking about this more, you don't need the first either,
if using 5LL instead of 5.

-- 
With Best Regards,
Andy Shevchenko






[Index of Archives]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Input]     [Linux Kernel]     [Linux SCSI]     [X.org]

  Powered by Linux