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replace DIV_ROUND with DIV_ROUND_CLOSEST

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The Linux-compatible macro DIV_ROUND_CLOSEST is a bit more flexible
and safer than DIV_ROUND.

For example,
  foo = DIV_ROUND_CLOSEST(x, y++)
works expectedly, but
  foo = DIV_ROUND(x, y++)
does not. (y is incremented twice.)

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
This commit is contained in:
Masahiro Yamada
2014-11-07 03:03:26 +09:00
committed by Tom Rini
parent 3fd968e931
commit 4515992fc7
4 changed files with 9 additions and 8 deletions
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4
lib/strmhz.c
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@@ -11,11 +11,11 @@ char *strmhz (char *buf, unsigned long hz)
long l, n;
long m;
n = DIV_ROUND(hz, 1000) / 1000L;
n = DIV_ROUND_CLOSEST(hz, 1000) / 1000L;
l = sprintf (buf, "%ld", n);
hz -= n * 1000000L;
m = DIV_ROUND(hz, 1000L);
m = DIV_ROUND_CLOSEST(hz, 1000L);
if (m != 0)
sprintf (buf + l, ".%03ld", m);
return (buf);