From mboxrd@z Thu Jan 1 00:00:00 1970 From: tyson.w.smith@gmail.com Subject: [PATCH 4/7] simplify div by 2,4,8,16 statement Date: Mon, 16 Mar 2015 13:26:16 -0700 Message-ID: <1426537576-54917-1-git-send-email-tyson.w.smith@gmail.com> Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id; bh=xIo+vN3Kphq9Ju1/TbEQi4ZV0mz8vLT4y6kraGghqFo=; b=NwqK90L34Z/1n4Mq1Ms34PyfL/jsMEjQaChzSfVOlYfzA/Mz7H639IfBfxuZFvsMEe L5QTI+J8i8YJWtfbGqw1HEKyGRij/iv/mCtEgiWrRGRalgyjgQbrbXYbcbSfEvBS16sG ErilRauQdBNVJkBtQ1OV3LHjFz3qrgF+zqbV88LwcRvaZ5LXNwuOef6bNsEnIuA8pr+C kY/TZnGCpyb1xiuXOuEhnR+po4Dl3d9tkC478LMeq1MJKE8tTLnoDH3Ln4wx+tCp3HU5 LJW+u9cWueZozn6h2iBtXte2F6rwR9s9EE2k9NinaO3VWiy05Md+ey99DaZ+HA5FcQnQ FwQA== Sender: trinity-owner@vger.kernel.org List-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: davej@codemonkey.org.uk Cc: trinity@vger.kernel.org, tysmith@motorola.com, Tyson Smith From: Tyson Smith --- random.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/random.c b/random.c index 8b4f715..8b8de04 100644 --- a/random.c +++ b/random.c @@ -108,10 +108,8 @@ unsigned int rand32(void) r = ~r + 1; /* we might get lucky if something is counting ints/longs etc. */ - if (ONE_IN(4)) { - int _div = 1 << RAND_RANGE(1, 4); /* 2,4,8 or 16 */ - r /= _div; - } + if (ONE_IN(4)) + r /= 2 << (rand() & 3); /* 2,4,8 or 16 */ /* limit the size */ switch (rand() % 5) { -- 1.9.1