On Tue, Jun 2, 2009 at 06:50, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > On Mon, 1 Jun 2009 13:57:09 +0200 Florian Fainelli <florian@xxxxxxxxxxx> wrote: > >> This patch exports the gcd implementation from >> sound/core/pcm_timer.c into include/linux/kernel.h. >> AR7 uses it in its clock routines. >> >> ... >> >> diff --git a/include/linux/kernel.h b/include/linux/kernel.h >> index 883cd44..878a27a 100644 >> --- a/include/linux/kernel.h >> +++ b/include/linux/kernel.h >> @@ -147,6 +147,22 @@ extern int _cond_resched(void); >> (__x < 0) ? -__x : __x; \ >> }) >> >> +/* Greatest common divisor */ >> +static inline unsigned long gcd(unsigned long a, unsigned long b) >> +{ >> + unsigned long r; >> + if (a < b) { >> + r = a; >> + a = b; >> + b = r; >> + } >> + while ((r = a % b) != 0) { >> + a = b; >> + b = r; >> + } >> + return b; >> +} > > a) the name's a bit sucky. Is there some convention for this name? Well, `gcd' is a quite common acronym, probably almost as well known as `min' and `max'... Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds