Bug in sample programs

[frankee]

Hi,

I would like to point out that there is a common bug in a number of the sample C programs that I have scanned through, for example in the program HomeBrushlessSnap4.c, but in some others too.

In these programs, the variable "k" is defined as float, and then iterated using k++ and ++k. This doesn't work, iterating floats is not part of the C programming language. k would need to be defined as an integer and then cast using (float) as needed.

The programs as provided would not work. Just giving a heads-up ...

Regards,
Frank

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[TomKerekes]

Hi Frank,

Thanks for checking things over but that is actually not a bug. Ansi C allows the ++ operator to work with any scalar type which includes floating point. We do this somtimes intentionally because on KFLOP's DSP adding one to a floating point number can be performed simpler and faster than incrementing an integer and then converting it to floating point.

Regards,

[frankee]

Hi Tom,

I stand corrected.

Regards,
Frank

[TomKerekes]

Please keep looking Frank!