From: Feng Tang <feng.tang@intel.com>
Date: Tue, 17 Mar 2020 12:53:31 +0000 (+0800)
Subject: gauss.c: correct the stddev initializtion
X-Git-Tag: fio-3.20~57
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=9853da1df43fb5b91097813651f69f50ca098a41;p=fio.git

gauss.c: correct the stddev initializtion

Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/lib/gauss.c b/lib/gauss.c
index 1d24e187..3f84dbc6 100644
--- a/lib/gauss.c
+++ b/lib/gauss.c
@@ -51,7 +51,7 @@ void gauss_init(struct gauss_state *gs, unsigned long nranges, double dev,
 	gs->nranges = nranges;
 
 	if (dev != 0.0) {
-		gs->stddev = ceil((double) (nranges * 100.0) / dev);
+		gs->stddev = ceil((double)(nranges * dev) / 100.0);
 		if (gs->stddev > nranges / 2)
 			gs->stddev = nranges / 2;
 	}