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lib: add lib/gcd.c

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This patch adds lib/gcd.c which contains a greatest common divider
implementation taken from sound/core/pcm_timer.c

Several usages of this new library function will be sent to subsystem
maintainers.

[[email protected]: use swap() (pointed out by Joe)]
[[email protected]: just add gcd.o to obj-y, remove Kconfig changes]
Signed-off-by: Florian Fainelli <[email protected]>
Cc: Sergei Shtylyov <[email protected]>
Cc: Takashi Iwai <[email protected]>
Cc: Simon Horman <[email protected]>
Cc: Julius Volz <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: Patrick McHardy <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Florian Fainelli 2009-06-17 16:28:38 -07:00 • committed by Linus Torvalds
commit d282922461
3 changed files with 27 additions and 1 deletions
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8
include/linux/gcd.h Normal file
View file

@ -0,0 +1,8 @@
#ifndef _GCD_H
#define _GCD_H
#include <linux/compiler.h>
unsigned long gcd(unsigned long a, unsigned long b) __attribute_const__;
#endif /* _GCD_H */